21680431024

Names of 21680431024

• Cardinal: 21680431024 can be written as Twenty-one billion, six hundred eighty million, four hundred thirty-one thousand and twenty-four.

Scientific notation

• Scientific notation: 2.1680431024 × 10¹⁰

Factors of 21680431024

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 3830

Divisors of 21680431024

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 7 8 14 16 17 28 34 49 56 68 98 112 119 136 196 238 272 392 476 491 784 833 952 982 1666 1904 1964 3313 3332 3437 3928 6626 6664 6874 7856 8347 13252 13328 13748 16694 23191 24059 26504 27496 33388 46382 48118 53008 54992 56321 58429 66776 92764 96236 112642 116858 133552 162337 185528 192472 225284 233716 324674 371056 384944 394247 409003 450568 467432 649348 788494 818006 901136 934864 1298696 1576988 1626683 1636012 2597392 2759729 3153976 3253366 3272024 5519458 6307952 6506732 6544048 11038916 11386781 13013464 22077832 22773562 26026928 27653611 44155664 45547124 55307222 79707467 91094248 110614444 159414934 182188496 193575277 221228888 318829868 387150554 442457776 637659736 774301108 1275319472 1355026939 1548602216 2710053878 3097204432 5420107756 10840215512 21680431024
• Sum of all divisors σ(n): 51859301328
• Sum of proper divisors (its aliquot sum) s(n): 30178870304
• 21680431024 is an abundant number, because the sum of its proper divisors (30178870304) is greater than itself. Its abundance is 8498439280

Bases of 21680431024

• Binary: 10100001100010000010001111110110000₂
• Hexadecimal: 0x50C411FB0
• Base-36: 9YJYVN4

Squares and roots of 21680431024

• 21680431024 squared (21680431024²) is 470041089386421688576
• 21680431024 cubed (21680431024³) is 10190693416888133901349576781824
• The square root of 21680431024 is 147242.7622126127
• The cube root of 21680431024 is 2788.4057568105

Scales and comparisons

• 21,680,431,024 seconds is equal to 689 years, 19 weeks, 1 day, 21 hours, 57 minutes, 4 seconds.
• To count from 1 to 21,680,431,024 would take you about one thousand, three hundred seventy-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 21680431024 cubic inches would be around 232.4 feet tall.

Recreational maths with 21680431024

• 21680431024 backwards is 42013408612
• The number of decimal digits it has is: 11
• The sum of 21680431024's digits is 31
• More coming soon!