21202790208

Names of 21202790208

• Cardinal: 21202790208 can be written as Twenty-one billion, two hundred two million, seven hundred ninety thousand, two hundred eight.

Scientific notation

• Scientific notation: 2.1202790208 × 10¹⁰

Factors of 21202790208

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 571

Divisors of 21202790208

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 37 48 64 71 74 96 111 127 142 148 192 213 222 254 284 296 331 381 426 444 508 568 592 662 762 852 888 993 1016 1136 1184 1324 1524 1704 1776 1986 2032 2272 2368 2627 2648 3048 3408 3552 3972 4064 4544 4699 5254 5296 6096 6816 7104 7881 7944 8128 9017 9398 10508 10592 12192 12247 13632 14097 15762 15888 18034 18796 21016 21184 23501 24384 24494 27051 28194 31524 31776 36068 36741 37592 42032 42037 47002 48988 54102 56388 63048 63552 70503 72136 73482 75184 84064 84074 94004 97976 108204 112776 126096 126111 141006 144272 146964 150368 168128 168148 188008 195952 216408 225552 252192 252222 282012 288544 293928 300736 333629 336296 376016 391904 432816 451104 504384 504444 564024 577088 587856 667258 672592 752032 783808 865632 869537 902208 1000887 1008888 1128048 1175712 1334516 1345184 1504064 1555369 1731264 1739074 2001774 2017776 2256096 2351424 2608611 2669032 2690368 2984627 3110738 3478148 4003548 4035552 4512192 4666107 5217222 5338064 5969254 6221476 6956296 8007096 8071104 8953881 9332214 10434444 10676128 11938508 12442952 13912592 16014192 17907762 18664428 20868888 21352256 23877016 24885904 27825184 32028384 35815524 37328856 41737776 47754032 49771808 55650368 64056768 71631048 74657712 83475552 95508064 99543616 110431199 143262096 149315424 166951104 191016128 220862398 286524192 298630848 331293597 441724796 573048384 662587194 883449592 1325174388 1766899184 2650348776 3533798368 5300697552 7067596736 10601395104 21202790208
• Sum of all divisors σ(n): 59064680448
• Sum of proper divisors (its aliquot sum) s(n): 37861890240
• 21202790208 is an abundant number, because the sum of its proper divisors (37861890240) is greater than itself. Its abundance is 16659100032

Bases of 21202790208

• Binary: 10011101111110010001110011101000000₂
• Hexadecimal: 0x4EFC8E740
• Base-36: 9QNLDMO

Squares and roots of 21202790208

• 21202790208 squared (21202790208²) is 449558312604460683264
• 21202790208 cubed (21202790208³) is 9531890588414861952230928678912
• The square root of 21202790208 is 145611.7790839739
• The cube root of 21202790208 is 2767.7764222949

Scales and comparisons

• 21,202,790,208 seconds is equal to 674 years, 9 weeks, 3 days, 15 hours, 56 minutes, 48 seconds.
• To count from 1 to 21,202,790,208 would take you about one thousand, three hundred forty-eight 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 21202790208 cubic inches would be around 230.6 feet tall.

Recreational maths with 21202790208

• 21202790208 backwards is 80209720212
• The number of decimal digits it has is: 11
• The sum of 21202790208's digits is 33
• More coming soon!