Numbers 6,800,000,000s

A page of the Numeropedia - the Special Encyclopedia of Numbers

6,100,000,0006,200,000,0006,300,000,0006,400,000,000

6,500,000,0006,600,000,0006,700,000,0006,800,000,000 – 6,900,000,000

[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 ...

6,826,229,641

[Math.]   Sum of the first 406 cube numbers:

13+…+4063 = 6,826,229,641 = (1+2+…+406)2 = 82,6212.

6,832,014,336

[Math.]   6,832,014,336 = (68320+14336)2 = 82,6562.

6,834,682,608

[Tech.]   The resonance frequency (Hz, Hertz) of Rubidium (Rb).

6,893,648,784

[Math.]   Sum of the first 407 cube numbers:

13+…+4073 = 6,893,648,784 = (1+2+…+407)2 = 83,0282

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.