138867638272

Names of 138867638272

• Cardinal: 138867638272 can be written as One hundred thirty-eight billion, eight hundred sixty-seven million, six hundred thirty-eight thousand, two hundred seventy-two.

Scientific notation

• Scientific notation: 1.38867638272 × 10¹¹

Factors of 138867638272

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 23
• Sum of prime factors: 212

Divisors of 138867638272

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 8 11 16 22 32 44 64 88 121 128 176 199 242 256 352 398 484 512 704 796 968 1024 1331 1408 1592 1936 2048 2189 2662 2816 3184 3872 4096 4378 5324 5632 6368 7744 8192 8756 10648 11264 12736 15488 16384 17512 21296 22528 24079 25472 30976 32768 35024 42592 45056 48158 50944 61952 65536 70048 85184 90112 96316 101888 123904 131072 140096 170368 180224 192632 203776 247808 262144 264869 280192 340736 360448 385264 407552 495616 524288 529738 560384 681472 720896 770528 815104 991232 1059476 1120768 1362944 1441792 1541056 1630208 1982464 2118952 2241536 2725888 2883584 3082112 3260416 3964928 4237904 4483072 5451776 5767168 6164224 6520832 7929856 8475808 8966144 10903552 12328448 13041664 15859712 16951616 17932288 21807104 24656896 26083328 31719424 33903232 35864576 43614208 49313792 52166656 63438848 67806464 71729152 87228416 98627584 104333312 135612928 143458304 174456832 197255168 271225856 286916608 348913664 394510336 542451712 573833216 697827328 789020672 1084903424 1147666432 1578041344 2169806848 3156082688 4339613696 6312165376 8679227392 12624330752 17358454784 34716909568 69433819136 138867638272
• Sum of all divisors σ(n): 307022760000
• Sum of proper divisors (its aliquot sum) s(n): 168155121728
• 138867638272 is an abundant number, because the sum of its proper divisors (168155121728) is greater than itself. Its abundance is 29287483456

Bases of 138867638272

• Binary: 10000001010101001010000000000000000000₂
• Hexadecimal: 0x2055280000
• Base-36: 1RSM7FGG

Squares and roots of 138867638272

• 138867638272 squared (138867638272²) is 19284220959243039145984
• 138867638272 cubed (138867638272³) is 2677954220525483215058441913499648
• The square root of 138867638272 is 372649.4844649593
• The cube root of 138867638272 is 5178.4567073543

Scales and comparisons

• 138,867,638,272 seconds is equal to 4,415 years, 29 weeks, 1 day, 7 hours, 57 minutes, 52 seconds.
• To count from 1 to 138,867,638,272 would take you about eight thousand, eight hundred thirty-one 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 138867638272 cubic inches would be around 431.5 feet tall.

Recreational maths with 138867638272

• 138867638272 backwards is 272836768831
• The number of decimal digits it has is: 12
• The sum of 138867638272's digits is 61
• More coming soon!