138721351924547716

Names of 138721351924547716

• Cardinal: 138721351924547716 can be written as One hundred thirty-eight quadrillion, seven hundred twenty-one trillion, three hundred fifty-one billion, nine hundred twenty-four million, five hundred forty-seven thousand, seven hundred sixteen.

Scientific notation

• Scientific notation: 1.38721351924547716 × 10¹⁷

Factors of 138721351924547716

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 634

Divisors of 138721351924547716

• Number of divisors d(n): 243
• Complete list of divisors:
  1 2 4 53 73 106 127 146 212 254 292 379 508 758 1516 2809 3869 5329 5618 6731 7738 9271 10658 11236 13462 15476 16129 18542 20087 21316 26924 27667 32258 37084 40174 48133 55334 64516 80348 96266 110668 143641 192532 205057 282437 287282 356743 410114 491363 564874 574564 676783 713486 820228 854837 982726 1064611 1129748 1177417 1353566 1426972 1466351 1709674 1965452 2019691 2129222 2354834 2551049 2707132 2932702 3419348 3513709 4039382 4258444 4709668 5102098 5865404 6112891 7027418 7612973 8078764 10204196 10485793 12225782 14054836 14969161 15225946 18242407 20971586 24451564 26042239 29938322 30451892 35869499 36484814 41943172 45306361 52084478 59876644 62403101 71738998 72969628 77716603 85951441 90612722 104168956 107043623 124806202 135205597 143477996 155433206 171902882 181225444 186226577 214087246 249612404 256500757 270411194 310866412 323983223 343805764 372453154 403487569 428174492 446241043 513001514 540822388 555747029 647966446 744906308 765462889 806975138 892482086 966847571 1026003028 1111494058 1295932892 1331695711 1530925778 1613950276 1784964172 1901083447 1933695142 2222988116 2316785689 2663391422 3061851556 3307364353 3802166894 3867390284 4555426373 4633571378 5326782844 5673312019 6614728706 7604333788 9110852746 9267142756 9870008581 11346624038 13229457412 13594540121 17171110819 18221705492 19740017162 22693248076 23650775279 27189080242 29454592537 32575596139 34342221638 39480034324 40569533117 47301550558 51242921263 54378160484 58909185074 65151192278 68684443276 70579872683 81139066234 94603101116 97213786903 102485842526 117818370148 122789641517 130302384556 141159745366 162278132468 169125355297 194427573806 204971685052 241437597769 245579283034 282319490732 338250710594 388855147612 482875195538 491158566068 676501421188 720510626413 965750391076 1253491089787 1441021252826 1726506595367 2150185255201 2506982179574 2882042505652 3453013190734 3740733252199 4300370510402 5013964359148 5152330705859 6507851000401 6906026381468 7481466504398 8600741020804 8963643830741 10304661411718 12346150936681 13015702000802 14962933008796 17927287661482 20609322823436 24692301873362 26031404001604 35854575322964 49384603746724 91504849554451 183009699108902 273073527410527 366019398217804 475073123029273 546147054821054 654345999644093 950146246058546 1092294109642108 1308691999288186 1900292492117092 2617383998576372 34680337981136929 69360675962273858 138721351924547716
• Sum of all divisors σ(n): 253524878582291631
• Sum of proper divisors (its aliquot sum) s(n): 114803526657743915
• 138721351924547716 is a deficient number, because the sum of its proper divisors (114803526657743915) is less than itself. Its deficiency is 23917825266803801

Bases of 138721351924547716

• Binary: 111101100110101100101010110101000001110011000000010000100₂
• Hexadecimal: 0x1ECD655A8398084
• Base-36: 11XWM5AWPI84

Squares and roots of 138721351924547716

• 138721351924547716 squared (138721351924547716²) is 19243613479774218309757111160816656
• 138721351924547716 cubed (138721351924547716³) is 2669500077827729629210508676056982422113403999557696
• 138721351924547716 is a perfect square number. Its square root is 372453154
• The cube root of 138721351924547716 is 517663.7700217261

Scales and comparisons

• 138,721,351,924,547,716 seconds is equal to 4,410,909,897 years, 46 weeks, 9 hours, 55 minutes, 16 seconds.
• To count from 1 to 138,721,351,924,547,716 would take you about thirteen billion, two hundred thirty-two million, seven hundred twenty-nine thousand, six 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 138721351924547716 cubic inches would be around 43138.6 feet tall.

Recreational maths with 138721351924547716

• 138721351924547716 backwards is 617745429153127831
• The number of decimal digits it has is: 18
• The sum of 138721351924547716's digits is 76
• More coming soon!