21107964416

Names of 21107964416

• Cardinal: 21107964416 can be written as Twenty-one billion, one hundred seven million, nine hundred sixty-four thousand, four hundred sixteen.

Scientific notation

• Scientific notation: 2.1107964416 × 10¹⁰

Factors of 21107964416

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 76507

Divisors of 21107964416

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 7 8 11 14 16 22 28 32 44 49 56 64 77 88 98 112 128 154 176 196 224 256 308 352 392 448 512 539 616 704 784 896 1078 1232 1408 1568 1792 2156 2464 2816 3136 3584 4312 4928 5632 6272 8624 9856 12544 17248 19712 25088 34496 39424 68992 76487 137984 152974 275968 305948 535409 611896 841357 1070818 1223792 1682714 2141636 2447584 3365428 3747863 4283272 4895168 5889499 6730856 7495726 8566544 9790336 11778998 13461712 14991452 17133088 19580672 23557996 26923424 29982904 34266176 39161344 41226493 47115992 53846848 59965808 68532352 82452986 94231984 107693696 119931616 137064704 164905972 188463968 215387392 239863232 274129408 329811944 376927936 430774784 479726464 659623888 753855872 959452928 1319247776 1507711744 1918905856 2638495552 3015423488 5276991104 10553982208 21107964416
• Sum of all divisors σ(n): 53521101216
• Sum of proper divisors (its aliquot sum) s(n): 32413136800
• 21107964416 is an abundant number, because the sum of its proper divisors (32413136800) is greater than itself. Its abundance is 11305172384

Bases of 21107964416

• Binary: 10011101010001000011111101000000000₂
• Hexadecimal: 0x4EA21FA00
• Base-36: 9P34XKW

Squares and roots of 21107964416

• 21107964416 squared (21107964416²) is 445546161787122221056
• 21107964416 cubed (21107964416³) is 9404572528687954809092933943296
• The square root of 21107964416 is 145285.8025272945
• The cube root of 21107964416 is 2763.6441229195

Scales and comparisons

• 21,107,964,416 seconds is equal to 671 years, 8 weeks, 5 days, 3 hours, 26 minutes, 56 seconds.
• To count from 1 to 21,107,964,416 would take you about one thousand, three hundred forty-two years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 21107964416 cubic inches would be around 230.3 feet tall.

Recreational maths with 21107964416

• 21107964416 backwards is 61446970112
• The number of decimal digits it has is: 11
• The sum of 21107964416's digits is 41
• More coming soon!