Numbers 84,000,000,000s

A page of the Numeropedia - the Special Encyclopedia of Numbers

80,000,000,00081,000,000,00082,000,000,000 – 83,000,000,00084,000,000,000

85,000,000,00086,000,000,00087,000,000,00088,000,000,00089,000,000,000

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 ...

84,065,783,481

[Math.]  Sum of the first 761 cube numbers:

13+…+7613 = 84,065,783,481 = (1+…+761)2 = 289,9412.


84,508,234,209

[Math.]  Sum of the first 762 cube numbers:

13+…+7623 = 84,508,234,209 = (1+…+762)2 = 290,7032.

 

84,740,914,531

[Math.]  The sum s(n) = 14n+2+24n+2+34n+2+44n+2+54n+2+64n+2 is always divisible by 13 for any integer n ³ 0: s(3) = 114+214+314+414+514+614 = 84,740,914,531.

 

84,952,429,156

[Math.]  Sum of the first 763 cube numbers:

13+…+7633 = 84,508,234,209 = (1+…+763)2 = 291,4662 

 

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.