138989532292870

Names of 138989532292870

• Cardinal: 138989532292870 can be written as One hundred thirty-eight trillion, nine hundred eighty-nine billion, five hundred thirty-two million, two hundred ninety-two thousand, eight hundred seventy.

Scientific notation

• Scientific notation: 1.3898953229287 × 10¹⁴

Factors of 138989532292870

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 5692

Divisors of 138989532292870

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 5 7 10 14 19 31 35 38 62 70 95 133 155 190 217 266 310 434 589 665 839 1085 1178 1330 1678 2170 2945 4123 4195 4789 5873 5890 8246 8390 9578 11746 15941 20615 23945 26009 29365 31882 33523 41230 47890 52018 58730 67046 79705 90991 111587 130045 148459 159410 167615 181982 182063 223174 260090 296918 335230 364126 454955 494171 557935 636937 703921 742295 909910 910315 988342 1039213 1115870 1273874 1407842 1484590 1820630 2078426 2470855 2820721 3184685 3459197 3519605 4017971 4927447 4941710 5196065 5641442 6369370 6918394 7039210 8035942 9854894 10392130 13374499 14103605 17295985 19745047 20089855 21821551 24637235 26748998 28125797 28207210 34591970 39490094 40179710 43643102 49274470 56251594 66872495 76341449 93621493 98725235 109107755 124557101 133744990 140628985 152682898 152750857 187242986 197450470 218215510 249114202 281257970 305501714 381707245 414609469 468107465 534390143 622785505 763414490 763754285 829218938 871899707 936214930 1068780286 1245571010 1527508570 1743799414 2073047345 2366584919 2671950715 2902266283 3371077669 4146094690 4359498535 4733169838 5343901430 5804532566 6742155338 8718997070 11832924595 14511331415 16566094433 16855388345 23597543683 23665849190 29022662830 33132188866 33710776690 47195087366 64050475711 82830472165 104503407739 117987718415 128100951422 165660944330 209006815478 235975436830 320252378555 448353329977 522517038695 640504757110 731523854173 896706659954 1045034077390 1463047708346 1985564747041 2241766649885 3657619270865 3971129494082 4483533299770 7315238541730 9927823735205 13898953229287 19855647470410 27797906458574 69494766146435 138989532292870
• Sum of all divisors σ(n): 311114206310400
• Sum of proper divisors (its aliquot sum) s(n): 172124674017530
• 138989532292870 is an abundant number, because the sum of its proper divisors (172124674017530) is greater than itself. Its abundance is 33135141724660

Bases of 138989532292870

• Binary: 11111100110100100000101101100110010011100000110₂
• Hexadecimal: 0x7E6905B32706
• Base-36: 1D9MWQX98M

Squares and roots of 138989532292870

• 138989532292870 squared (138989532292870²) is 19318090086990752559452836900
• 138989532292870 cubed (138989532292870³) is 2685012305982373030343133678890283142903000
• The square root of 138989532292870 is 11789382.1845281613
• The cube root of 138989532292870 is 51799.7143105831

Scales and comparisons

• 138,989,532,292,870 seconds is equal to 4,419,437 years, 10 weeks, 4 days, 6 hours, 41 minutes, 10 seconds.
• To count from 1 to 138,989,532,292,870 would take you about eleven million, forty-eight thousand, five hundred ninety-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 138989532292870 cubic inches would be around 4316.6 feet tall.

Recreational maths with 138989532292870

• 138989532292870 backwards is 078292235989831
• The number of decimal digits it has is: 15
• The sum of 138989532292870's digits is 76
• More coming soon!