Numbers 8,900,000,000s

A page of the Numeropedia - the Special Encyclopedia of Numbers

8,100,000,0008,200,000,0008,300,000,0008,400,000,000

8,500,000,0008,600,000,0008,700,000,0008,800,000,000 – 8,900,000,000

[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 ...

8,910,416,025

[Math.]   Sum of the first 434 cube numbers:

13+…+4343 = 9,159,064,209 = (1+2+…+434)2 = 94,3952.

8,936,299,024, 8,936,488,089, 8,936,677,156, 8,936,866,225 & 8,937,055,296,

8,937,244,369, 8,937,433,444, 8,937,622,521, 8,937,811,600 & 8,938,000,681

 x x2 x x2 94,532 8,936,299,024 94,537 8,937,244,369 94,533 8,936,488,089 94,538 8,937,433,444 94,534 8,936,677,156 94,539 8,937,622,521 94,535 8,936,866,225 94,540 8,937,811,600 94,536 8,937,055,296 94,541 8,938,000,681

8,967,143,025

[Math.]   946952 = 8,967,143,025, a square number using each of 10 digits 0-9 once. (The 81st of 87 such numbers).

8,972,978,552

[Math.]   20783 = 8,972,978,552 has each of its digits occurring twice.

8,988,000,000

[Science]   The Coulomb constant: 8.988×109 Nm2/C2.

8,992,728,900

[Math.]   Sum of the first 435 cube numbers:

13+…+4353 = 8,992,728,900 = (1+2+…+435)2 = 94,8302.

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.