21943131012

Names of 21943131012

• Cardinal: 21943131012 can be written as Twenty-one billion, nine hundred forty-three million, one hundred thirty-one thousand and twelve.

Scientific notation

• Scientific notation: 2.1943131012 × 10¹⁰

Factors of 21943131012

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 9500

Divisors of 21943131012

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 9 11 12 18 22 27 33 36 44 54 66 81 99 108 132 162 198 297 324 396 594 701 891 1188 1402 1782 2103 2804 3564 4206 6309 7711 8412 8783 12618 15422 17566 18927 23133 25236 26349 30844 35132 37854 46266 52698 56781 69399 75708 79047 92532 96613 105396 113562 138798 158094 193226 208197 227124 237141 277596 289839 316188 386452 416394 474282 579678 624591 711423 832788 869517 948564 1159356 1249182 1422846 1739034 2498364 2608551 2845692 3478068 5217102 6156883 7825653 10434204 12313766 15651306 18470649 24627532 31302612 36941298 55411947 67725713 73882596 110823894 135451426 166235841 203177139 221647788 270902852 332471682 406354278 498707523 609531417 664943364 812708556 997415046 1219062834 1828594251 1994830092 2438125668 3657188502 5485782753 7314377004 10971565506 21943131012
• Sum of all divisors σ(n): 62674964352
• Sum of proper divisors (its aliquot sum) s(n): 40731833340
• 21943131012 is an abundant number, because the sum of its proper divisors (40731833340) is greater than itself. Its abundance is 18788702328

Bases of 21943131012

• Binary: 10100011011111010011001101110000100₂
• Hexadecimal: 0x51BE99B84
• Base-36: A2WDG90

Squares and roots of 21943131012

• 21943131012 squared (21943131012²) is 481500998609796144144
• 21943131012 cubed (21943131012³) is 10565639494903586657564228593728
• The square root of 21943131012 is 148132.1403747343
• The cube root of 21943131012 is 2799.6228663827

Scales and comparisons

• 21,943,131,012 seconds is equal to 697 years, 37 weeks, 4 days, 10 hours, 10 minutes, 12 seconds.
• To count from 1 to 21,943,131,012 would take you about one thousand, three hundred ninety-five 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 21943131012 cubic inches would be around 233.3 feet tall.

Recreational maths with 21943131012

• 21943131012 backwards is 21013134912
• 21943131012 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21943131012's digits is 27
• More coming soon!