21709965312

Names of 21709965312

• Cardinal: 21709965312 can be written as Twenty-one billion, seven hundred nine million, nine hundred sixty-five thousand, three hundred twelve.

Scientific notation

• Scientific notation: 2.1709965312 × 10¹⁰

Factors of 21709965312

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 168275

Divisors of 21709965312

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 63 64 72 84 96 112 126 128 144 168 192 224 252 256 288 336 384 448 504 512 576 672 768 896 1008 1024 1152 1344 1536 1792 2016 2048 2304 2688 3072 3584 4032 4608 5376 6144 7168 8064 9216 10752 14336 16128 18432 21504 32256 43008 64512 129024 168263 336526 504789 673052 1009578 1177841 1346104 1514367 2019156 2355682 2692208 3028734 3533523 4038312 4711364 5384416 6057468 7067046 8076624 9422728 10600569 10768832 12114936 14134092 16153248 18845456 21201138 21537664 24229872 28268184 32306496 37690912 42402276 43075328 48459744 56536368 64612992 75381824 84804552 86150656 96919488 113072736 129225984 150763648 169609104 172301312 193838976 226145472 258451968 301527296 339218208 344602624 387677952 452290944 516903936 603054592 678436416 775355904 904581888 1033807872 1206109184 1356872832 1550711808 1809163776 2412218368 2713745664 3101423616 3618327552 5427491328 7236655104 10854982656 21709965312
• Sum of all divisors σ(n): 71660272320
• Sum of proper divisors (its aliquot sum) s(n): 49950307008
• 21709965312 is an abundant number, because the sum of its proper divisors (49950307008) is greater than itself. Its abundance is 28240341696

Bases of 21709965312

• Binary: 10100001110000000111100100000000000₂
• Hexadecimal: 0x50E03C800
• Base-36: 9Z1JWG0

Squares and roots of 21709965312

• 21709965312 squared (21709965312²) is 471322593848243257344
• 21709965312 cubed (21709965312³) is 10232397163207225709076129251328
• The square root of 21709965312 is 147343.0192170637
• The cube root of 21709965312 is 2789.6713560557

Scales and comparisons

• 21,709,965,312 seconds is equal to 690 years, 16 weeks, 17 hours, 55 minutes, 12 seconds.
• To count from 1 to 21,709,965,312 would take you about one thousand, three hundred eighty 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 21709965312 cubic inches would be around 232.5 feet tall.

Recreational maths with 21709965312

• 21709965312 backwards is 21356990712
• The number of decimal digits it has is: 11
• The sum of 21709965312's digits is 45
• More coming soon!