Numbers 1,400,000,000s

A page of the Numeropedia - the Special Encyclopedia of Numbers

1,000,000,0001,100,000,0001,200,000,0001,300,000,0001,400,000,000

1,500,000,0001,600,000,0001,700,000,0001,800,000,000 – 1,900,000,000

[1B] – [2B] – [3B] – [4B] – [5B] – [6B] – [7B] – [8B]  – [9B]  & [10B]

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

1,419,405,625

[Math.]   Sum of the first 274 cube numbers:

13+…+2743 = 1,419,405,625 = (1+2+…+274)2 = 37,6752.

1,420,405,752

[Tech.]   The resonance frequency (Hz, Hertz) of Hydrogen maser.

1,428,571,428

[Math.]

1×7 + 3 = 10

14×7 + 2 = 100

142×7 + 6 = 1000

1428×7 + 4 = 10000

14285×7 + 5 = 100000

142857×7 + 1 = 1000000

1428571×7 + 3 = 10000000

14285714×7 + 2 = 100000000

142857142×7 + 6 = 1000000000

1428571428×7 + 4 = 10000000000

14285714285×7 + 5 = 100000000000

142857142857×7 + 1 = 1000000000000

1428571428571×7 + 3 = 10000000000000

1,431,435,383

[Math.]   11273 = 1,431,435,383.

1,431,655,765

[Math.]   A regular polygon with this odd number (product of Fermat prime numbers) of sides is constructible by using only straightedge and compass. 143,1655,765 = 5´17´257´65,537.

1,436,789,025

[Math.]   379052 = 1,436,789,025, a square number using each of 10 digits 0-9 once. (The 9th of 87 such numbers).

1,440,202,500

[Math.]   Sum of the first 275 cube numbers:

13+…+2753 = 1,440,202,500 = (1+2+…+275)2 = 37,9502.

1,448,864,950

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

1,448,864,950 = 52532+…+53042 = 53052+…+53552.

1,461,227,076

[Math.]   Sum of the first 276 cube numbers:

13+…+2763 = 1,461,227,076 = (1+2+…+276)2 = 38,2262.

1,462,938,570

[Math.]

 Pan-digital number 2× a zero-less pan-digital number Uses each of 9 digits 1-9 once 1,037,246,958 = 2×518,623,479 = 9×57,624,831 1,046,389,752 = 2×523,194,876 = 9×58,132,764 1,286,375,904 = 2×643,187,952 = 9×71,465,328 1,307,624,958 = 2×653,812,479 = 9×72,645,831 1,370,258,694 = 2×685,129,347 = 9×76,125,483 1,462,938,570 = 2×731,469,285 = 9×81,274,365

1,482,481,009

[Math.]   Sum of the first 277 cube numbers:

13+…+2773 = 1,482,481,009 = (1+2+…+277)2 = 38,5032.

x,yzw,abc,def

[Math.] For any x,yzw = 1000 to 9999, there are always six 6-digit numbers abc,edf such that x,yzw +abc,def is equal to one of 6 digit-rotations of 142,857 and the number x,yzw,abc,def is a multiple of 142,857.

For any x,yzw = 1000 to 9999, there are always twelve 6-digit numbers abc,edf such that x,yzw +abc,def is equal to one of 12 digit-rotations of 076,923 or 153,846 and the number x,yzw,abc,def is a multiple of 76,923.