Numbers 15,000,000,000s

A page of the Numeropedia - the Special Encyclopedia of Numbers

10,000,000,00011,000,000,00012,000,000,000 – 13,000,000,00014,000,000,000

15,000,000,00016,000,000,00017,000,000,00018,000,000,00019,000,000,000

All Numbers  – [1B] –  [10B] –  [20B] – [30B] – [40B] – [50B] – [60B] – [70B] – [80B] – [90B] & [100B]

1  - 10 - 100  - 1000 - 10,000 - 100,000 - 1M - 10M - 100M1B10B - 100B - 1T - 10T - 100T - 1Q ...

15,070,017,600

[Math.]  Sum of the first 495 cube numbers:

13+…+4953 = 15,070,017,600 = (1+…+495)2 = 122,7602.

 

15,158,707,740

[Math.]  Sum (in degrees) of all internal angles of an 84,215,045-side polygon. A regular 84215045-side polygon is constructible by using only straightedge and compass.

 

15,178,486,401

[Math.]  (1+2+…+26)4 = [(15+25+…+265)+(17+27+…+267)]/2.

 

15,192,041,536

[Math.]  Sum of the first 496 cube numbers:

13+…+4963 = 15,192,041,536 = (1+…+496)2 = 123,2562.

 

15,286,327,045

 [Math.]  Two consecutive sums of consecutive square numbers:

15,286,327,045 = 135302+…+136122 = 136132+…+136942.

 

15,314,805,009

[Math.]  Sum of the first 497 cube numbers:

13+…+4973 = 15,314,805,009 = (1+…+497)2 = 123,7532.

 

15,386,239,549

[Math.]  15,386,239,549 = (1+5+3+8+62+3+9+5+4+9)5 = 1095.

 

15,438,311,001

[Math.]  Sum of the first 498 cube numbers:

13+…+4983 = 15,438,311,001 = (1+…+498)2 = 124,2512.

 

15,527,402,881

[Math.]  15,527,402,881 = 3534 = 3154+2724+1204+304. The smallest 4th power of a prime number that can be expressed as sum of four 4th powers.

 

15,562,562,500

[Math.]  Sum of the first 499 cube numbers:

13+…+4993 = 15,562,562,500 = (1+…+499)2 = 124,7502.

 

15,687,562,500

[Math.]  Sum of the first 500 cube numbers:

13+…+5003 = 15,687,562,500 = (1+…+500)2 = 125,2502.

 

15,813,314,001

[Math.]  Sum of the first 501 cube numbers:

13+…+5013 = 15,813,314,001 = (1+…+501)2 = 125,7512.

 

15,939,820,009

[Math.]  Sum of the first 502 cube numbers:

13+…+5023 = 15,939,820,009 = (1+…+502)2 = 126,2532.

 

15,999,999,984

[Math.]

7,683,984 = 1584×4851 = 27722                                                                    

782,432,784 = 15984×48951 = 279722

78,384,320,784 = 159984×489951 = 2799722

7,839,843,200,784 = 1599984×4899951 = 27999722

783,998,432,000,784 = 15999984×48999951 = 279999722

78,399,984,320,000,784 = 159999984×489999951 = 2799999722

7,839,999,843,200,000,784 = 1599999984×4899999951 = 27999999722

783,999,998,432,000,000,784 = 15999999984×48999999951 = 279999999722

78,399,999,984,320,000,000,784 = 159999999984×489999999951 = 2799999999722

 7839…9984320000784 = 159…999984×489…999951 = 279…9999722.

 

xy,zwv,abc,def

[Math.]  For any xy,zwv = 10,000 to 99,999, there are always six 6-digit numbers abc,edf such that xy,zwv +abc,def is equal to one of 6 digit-rotations of 142,857 and the number xy,zwv,abc,def is a multiple of 142,857.

 

For any xy,zwv  = 10,000 to 76,922, there are always twelve 6-digit numbers abc,edf such that xy,zwv +abc,def is equal to one of 12 digit-rotations of 076,923 or 153,846 and the number xy,zwv,abc,def is a multiple of 76,923.