12942138792

Names of 12942138792

• Cardinal: 12942138792 can be written as Twelve billion, nine hundred forty-two million, one hundred thirty-eight thousand, seven hundred ninety-two.

Scientific notation

• Scientific notation: 1.2942138792 × 10¹⁰

Factors of 12942138792

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 8823

Divisors of 12942138792

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 6 8 11 12 22 24 29 33 44 58 66 87 88 116 132 174 197 232 264 319 348 394 591 638 696 788 957 1182 1276 1576 1914 2167 2364 2552 3828 4334 4728 5713 6501 7656 8581 8668 11426 13002 17139 17162 17336 22852 25743 26004 34278 34324 45704 51486 52008 62843 68556 68648 94391 102972 125686 137112 188529 188782 205944 248849 251372 283173 377058 377564 497698 502744 566346 746547 754116 755128 995396 1132692 1493094 1508232 1690457 1990792 2265384 2737339 2986188 3380914 5071371 5474678 5972376 6761828 8212017 10142742 10949356 13523656 16424034 18595027 20285484 21898712 32848068 37190054 40570968 49023253 55785081 65696136 74380108 98046506 111570162 147069759 148760216 196093012 223140324 294139518 392186024 446280648 539255783 588279036 1078511566 1176558072 1617767349 2157023132 3235534698 4314046264 6471069396 12942138792
• Sum of all divisors σ(n): 36703497600
• Sum of proper divisors (its aliquot sum) s(n): 23761358808
• 12942138792 is an abundant number, because the sum of its proper divisors (23761358808) is greater than itself. Its abundance is 10819220016

Bases of 12942138792

• Binary: 1100000011011010010101110110101000₂
• Hexadecimal: 0x303695DA8
• Base-36: 5Y1EY7C

Squares and roots of 12942138792

• 12942138792 squared (12942138792²) is 167498956511391219264
• 12942138792 cubed (12942138792³) is 2167794742685597288724792089088
• The square root of 12942138792 is 113763.5213590015
• The cube root of 12942138792 is 2347.8410104331

Scales and comparisons

• 12,942,138,792 seconds is equal to 411 years, 27 weeks, 6 hours, 33 minutes, 12 seconds.
• To count from 1 to 12,942,138,792 would take you about eight hundred twenty-three 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 12942138792 cubic inches would be around 195.7 feet tall.

Recreational maths with 12942138792

• 12942138792 backwards is 29783124921
• The number of decimal digits it has is: 11
• The sum of 12942138792's digits is 48
• More coming soon!