138901729922197744

Names of 138901729922197744

• Cardinal: 138901729922197744 can be written as One hundred thirty-eight quadrillion, nine hundred one trillion, seven hundred twenty-nine billion, nine hundred twenty-two million, one hundred ninety-seven thousand, seven hundred forty-four.

Scientific notation

• Scientific notation: 1.38901729922197744 × 10¹⁷

Factors of 138901729922197744

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 23011

Divisors of 138901729922197744

• Number of divisors d(n): 90
• Complete list of divisors:
  1 2 4 8 16 677 941 1354 1882 2708 3764 5416 7528 10832 15056 21391 42782 85564 171128 342256 458329 637057 885481 916658 1274114 1770962 1833316 2548228 3541924 3666632 5096456 7083848 7333264 10192912 14167696 14481707 20128931 28963414 40257862 57926828 80515724 115853656 161031448 231707312 322062896 431287589 599470637 862575178 1198941274 1725150356 2397882548 3450300712 4795765096 6900601424 9591530192 9804115639 13627286287 18941324071 19608231278 27254572574 37882648142 39216462556 54509145148 75765296284 78432925112 109018290296 151530592568 156865850224 218036580592 303061185136 405841621249 811683242498 1623366484996 3246732969992 6493465939984 9225672816299 12823276396067 18451345632598 25646552792134 36902691265196 51293105584268 73805382530392 102586211168536 147610765060784 205172422337072 8681358120137359 17362716240274718 34725432480549436 69450864961098872 138901729922197744
• Sum of all divisors σ(n): 269819546883161072
• Sum of proper divisors (its aliquot sum) s(n): 130917816960963328
• 138901729922197744 is a deficient number, because the sum of its proper divisors (130917816960963328) is less than itself. Its deficiency is 7983912961234416

Bases of 138901729922197744

• Binary: 111101101011110100110001100101110101100110010100011110000₂
• Hexadecimal: 0x1ED7A632EB328F0
• Base-36: 11ZOJXT7ACJ4

Squares and roots of 138901729922197744

• 138901729922197744 squared (138901729922197744²) is 19293690575379164093447431038689536
• 138901729922197744 cubed (138901729922197744³) is 2679926997503768645203292813465268531082810815606784
• The square root of 138901729922197744 is 372695223.9058044919
• The cube root of 138901729922197744 is 517888.0438642475

Scales and comparisons

• 138,901,729,922,197,744 seconds is equal to 4,416,645,360 years, 13 weeks, 5 days, 13 hours, 9 minutes, 4 seconds.
• To count from 1 to 138,901,729,922,197,744 would take you about thirteen billion, two hundred forty-nine million, nine hundred thirty-six thousand and eighty 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 138901729922197744 cubic inches would be around 43157.3 feet tall.

Recreational maths with 138901729922197744

• 138901729922197744 backwards is 447791229927109831
• The number of decimal digits it has is: 18
• The sum of 138901729922197744's digits is 85
• More coming soon!