138908086650

Names of 138908086650

• Cardinal: 138908086650 can be written as One hundred thirty-eight billion, nine hundred eight million, eighty-six thousand, six hundred fifty.

Scientific notation

• Scientific notation: 1.3890808665 × 10¹¹

Factors of 138908086650

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 236

Divisors of 138908086650

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 25 27 30 45 50 54 59 75 81 90 118 135 150 162 167 177 225 270 295 334 354 405 450 501 531 590 675 810 835 885 1002 1062 1350 1475 1503 1593 1670 1770 2025 2505 2655 2950 3006 3186 3481 4050 4175 4425 4509 4779 5010 5310 6962 7515 7965 8350 8850 9018 9558 9853 10443 12525 13275 13527 15030 15930 17405 19706 20886 22545 23895 25050 26550 27054 29559 31329 34810 37575 39825 45090 47790 49265 52215 59118 62658 67635 75150 79650 87025 88677 93987 98530 104430 112725 119475 135270 147795 156645 174050 177354 187974 205379 225450 238950 246325 261075 266031 281961 295590 313290 338175 410758 443385 469935 492650 522150 532062 563922 581327 616137 676350 738975 783225 798093 886770 939870 1026895 1162654 1232274 1330155 1409805 1477950 1566450 1596186 1743981 1848411 2053790 2216925 2349675 2660310 2819610 2906635 3080685 3487962 3696822 3990465 4433850 4699350 5134475 5231943 5545233 5813270 6161370 6650775 7049025 7980930 8719905 9242055 10268950 10463886 11090466 13301550 14098050 14533175 15403425 15695829 16635699 17439810 18484110 19952325 26159715 27726165 29066350 30806850 31391658 33271398 34298293 39904650 43599525 46210275 47087487 52319430 55452330 68596586 78479145 83178495 87199050 92420550 94174974 102894879 130798575 138630825 156958290 166356990 171491465 205789758 235437435 261597150 277261650 308684637 342982930 392395725 415892475 470874870 514474395 617369274 784791450 831784950 857457325 926053911 1028948790 1177187175 1543423185 1714914650 1852107822 2354374350 2572371975 2778161733 3086846370 4630269555 5144743950 5556323466 7717115925 9260539110 13890808665 15434231850 23151347775 27781617330 46302695550 69454043325 138908086650
• Sum of all divisors σ(n): 394964095680
• Sum of proper divisors (its aliquot sum) s(n): 256056009030
• 138908086650 is an abundant number, because the sum of its proper divisors (256056009030) is greater than itself. Its abundance is 117147922380

Bases of 138908086650

• Binary: 10000001010111100100010011000101111010₂
• Hexadecimal: 0x205791317A
• Base-36: 1RTAADMI

Squares and roots of 138908086650

• 138908086650 squared (138908086650²) is 19295456536763908222500
• 138908086650 cubed (138908086650³) is 2680294948560109873963677479625000
• The square root of 138908086650 is 372703.7518593017
• The cube root of 138908086650 is 5178.9594398929

Scales and comparisons

• 138,908,086,650 seconds is equal to 4,416 years, 44 weeks, 11 hours, 37 minutes, 30 seconds.
• To count from 1 to 138,908,086,650 would take you about eight thousand, eight hundred thirty-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 138908086650 cubic inches would be around 431.6 feet tall.

Recreational maths with 138908086650

• 138908086650 backwards is 056680809831
• 138908086650 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138908086650's digits is 54
• More coming soon!