138587393958323830

Names of 138587393958323830

• Cardinal: 138587393958323830 can be written as One hundred thirty-eight quadrillion, five hundred eighty-seven trillion, three hundred ninety-three billion, nine hundred fifty-eight million, three hundred twenty-three thousand, eight hundred thirty.

Scientific notation

• Scientific notation: 1.3858739395832383 × 10¹⁷

Factors of 138587393958323830

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1829487

Divisors of 138587393958323830

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 5 10 13 19 23 26 38 46 65 95 115 130 190 230 247 299 313 437 494 598 626 874 1235 1495 1565 2185 2470 2990 3130 4069 4271 4370 5681 5947 7199 8138 8542 11362 11894 14398 20345 21355 28405 29735 35995 40690 42710 55523 56810 59470 71990 77311 81149 93587 98233 111046 136781 154622 162298 187174 196466 273562 277615 386555 405745 467935 491165 555230 683905 773110 811490 935870 982330 1054937 1277029 1336823 1367810 1778153 1824841 1866427 2109874 2554058 2673646 3556306 3649682 3732854 5274685 6385145 6684115 8890765 9124205 9332135 10549370 12770290 13368230 17378699 17781530 18248410 18664270 23722933 24263551 25399637 30746929 34671979 34757398 41971343 47445866 48527102 50799274 61493858 69343958 83942686 86893495 118614665 121317755 126998185 153734645 173359895 173786990 209856715 237229330 242635510 253996370 307469290 330195281 346719790 399710077 419713430 450735727 545627459 571175233 584191651 660390562 797455517 799420154 901471454 1091254918 1142350466 1168383302 1594911034 1650976405 1998550385 2253678635 2728137295 2855876165 2920958255 3301952810 3987277585 3997100770 4507357270 5456274590 5711752330 5841916510 7425278029 7594491463 7793895911 7974555170 10366921721 10852329427 13137030359 14850556058 15188982926 15587791822 20733843442 21704658854 26274060718 37126390145 37972457315 38969479555 51834608605 54261647135 65685151795 74252780290 75944914630 77938959110 101320646843 103669217210 108523294270 131370303590 141080282551 148084022309 170781394667 179259605953 202641293686 249603576821 282160565102 296168044618 341562789334 358519211906 499207153642 506603234215 705401412755 740420111545 853906973335 896298029765 1013206468430 1248017884105 1410802825510 1480840223090 1707813946670 1792596059530 1925092290017 2330374877389 2439489420143 2496035768210 3244846498673 3405932513107 3850184580034 4660749754778 4878978840286 6489692997346 6811865026214 9625461450085 11651874386945 12197447100715 16224232493365 17029662565535 19250922900170 23303748773890 24394894201430 31713362461859 32448464986730 34059325131070 44277122670391 46350298982717 56108256663289 63426724923718 88554245340782 92700597965434 112216513326578 158566812309295 221385613351955 231751494913585 280541283316445 317133624618590 442771226703910 463502989827170 561082566632890 602553886775321 729407336622757 1066056876602491 1205107773550642 1458814673245514 2132113753204982 3012769433876605 3647036683113785 5330284383012455 6025538867753210 7294073366227570 10660568766024910 13858739395832383 27717478791664766 69293696979161915 138587393958323830
• Sum of all divisors σ(n): 296092862255554560
• Sum of proper divisors (its aliquot sum) s(n): 157505468297230730
• 138587393958323830 is an abundant number, because the sum of its proper divisors (157505468297230730) is greater than itself. Its abundance is 18918074338906900

Bases of 138587393958323830

• Binary: 111101100010111001000000000100011001110111010011001110110₂
• Hexadecimal: 0x1EC5C80233BA676
• Base-36: 11WL4PV2B71Y

Squares and roots of 138587393958323830

• 138587393958323830 squared (138587393958323830²) is 19206465764159652417334943145868900
• 138587393958323830 cubed (138587393958323830³) is 2661774037404652896177952614438370679159032925887000
• The square root of 138587393958323830 is 372273278.5982950859
• The cube root of 138587393958323830 is 517497.0869115877

Scales and comparisons

• 138,587,393,958,323,830 seconds is equal to 4,406,650,448 years, 47 weeks, 5 days, 12 hours, 37 minutes, 10 seconds.
• To count from 1 to 138,587,393,958,323,830 would take you about thirteen billion, two hundred nineteen million, nine hundred fifty-one thousand, three hundred forty-six 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 138587393958323830 cubic inches would be around 43124.8 feet tall.

Recreational maths with 138587393958323830

• 138587393958323830 backwards is 038323859393785831
• The number of decimal digits it has is: 18
• The sum of 138587393958323830's digits is 88
• More coming soon!