642137883387

Names of 642137883387

• Cardinal: 642137883387 can be written as Six hundred forty-two billion, one hundred thirty-seven million, eight hundred eighty-three thousand, three hundred eighty-seven.

Scientific notation

• Scientific notation: 6.42137883387 × 10¹¹

Factors of 642137883387

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2123

Divisors of 642137883387

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 7 11 13 21 33 39 49 77 91 143 147 231 273 343 429 539 637 1001 1029 1617 1911 2089 3003 3773 4459 6267 7007 11319 13377 14623 21021 22979 27157 43869 49049 68937 81471 102361 147147 160853 190099 298727 307083 482559 570297 716527 896181 1125971 1330693 2091089 2149581 3377913 3992079 4363921 6273267 7881797 9314851 13091763 14637623 23645391 27944553 30547447 43912869 48003131 56730973 91642341 102463361 144009393 170192919 213832129 307390083 336021917 397116811 624040703 641496387 1008065751 1191350433 1496824903 1872122109 2352153419 2779817677 4368284921 4490474709 7056460257 8339453031 13104854763 16465073933 19458723739 30577994447 49395221799 58376171217 91733983341 214045961129 642137883387
• Sum of all divisors σ(n): 1173583756800
• Sum of proper divisors (its aliquot sum) s(n): 531445873413
• 642137883387 is a deficient number, because the sum of its proper divisors (531445873413) is less than itself. Its deficiency is 110692009974

Bases of 642137883387

• Binary: 1001010110000010011001101000001011111011₂
• Hexadecimal: 0x95826682FB
• Base-36: 86ZSBDVF

Squares and roots of 642137883387

• 642137883387 squared (642137883387²) is 412341061280736410591769
• 642137883387 cubed (642137883387³) is 264779816324361338094062313784041603
• The square root of 642137883387 is 801335.0631209145
• The cube root of 642137883387 is 8627.3237830721

Scales and comparisons

• 642,137,883,387 seconds is equal to 20,417 years, 51 weeks, 6 days, 10 hours, 16 minutes, 27 seconds.
• To count from 1 to 642,137,883,387 would take you about forty thousand, eight hundred thirty-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 642137883387 cubic inches would be around 718.9 feet tall.

Recreational maths with 642137883387

• 642137883387 backwards is 783388731246
• The number of decimal digits it has is: 12
• The sum of 642137883387's digits is 60
• More coming soon!