64138963791567974580

Names of 64138963791567974580

• Cardinal: 64138963791567974580 can be written as Sixty-four quintillion, one hundred thirty-eight quadrillion, nine hundred sixty-three trillion, seven hundred ninety-one billion, five hundred sixty-seven million, nine hundred seventy-four thousand, five hundred eighty.

Scientific notation

• Scientific notation: 6.413896379156797458 × 10¹⁹

Factors of 64138963791567974580

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 259988046

Divisors of 64138963791567974580

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 81 90 108 135 162 180 243 270 324 405 486 540 810 972 1215 1620 2430 4860 69157129 138314258 190830907 207471387 276628516 345785645 381661814 414942774 572492721 622414161 691571290 763323628 829885548 954154535 1037356935 1144985442 1244828322 1383142580 1717478163 1867242483 1908309070 2074713870 2289970884 2489656644 2862463605 3112070805 3434956326 3734484966 3816618140 4149427740 5152434489 5601727449 5724927210 6224141610 6869912652 7468969932 8587390815 9336212415 10304868978 11203454898 11449854420 12448283220 15457303467 16805182347 17174781630 18672424830 20609737956 22406909796 25762172445 28008637245 30914606934 33610364694 34349563260 37344849660 46371910401 51524344890 56017274490 61829213868 67220729388 77286517335 84025911735 92743820802 103048689780 112034548980 154573034670 168051823470 185487641604 231859552005 309146069340 336103646940 463719104010 927438208020 13197317652586003 26394635305172006 39591952957758009 52789270610344012 65986588262930015 79183905915516018 118775858873274027 131973176525860030 158367811831032036 197959764788790045 237551717746548054 263946353051720060 356327576619822081 395919529577580090 475103435493096108 593879294366370135 712655153239644162 791839059155160180 1068982729859466243 1187758588732740270 1425310306479288324 1781637883099110405 2137965459718932486 2375517177465480540 3206948189578398729 3563275766198220810 4275930919437864972 5344913649297331215 6413896379156797458 7126551532396441620 10689827298594662430 12827792758313594916 16034740947891993645 21379654597189324860 32069481895783987290 64138963791567974580
• Sum of all divisors σ(n): 201760596247431923520
• Sum of proper divisors (its aliquot sum) s(n): 137621632455863948940
• 64138963791567974580 is an abundant number, because the sum of its proper divisors (137621632455863948940) is greater than itself. Its abundance is 73482668664295974360

Bases of 64138963791567974580

• Binary: 110111101000011011010111111011111011100010000011001111000010110100₂
• Hexadecimal: 0x37A1B5FBEE20CF0B4
• Base-36: DJAPX4CE8XZ90

Squares and roots of 64138963791567974580

• 64138963791567974580 squared (64138963791567974580²) is 4113806676256067693722979460683526176400
• 64138963791567974580 cubed (64138963791567974580³) is 263855297453898522870890793634211271433850631025359795912000
• The square root of 64138963791567974580 is 8008680527.5006428227
• The cube root of 64138963791567974580 is 4002892.9861443651

Scales and comparisons

• 64,138,963,791,567,974,580 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 64,138,963,791,567,974,580 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 64138963791567974580 cubic inches would be around 333574.4 feet tall.

Recreational maths with 64138963791567974580

• 64138963791567974580 backwards is 08547976519736983146
• 64138963791567974580 is a Harshad number.
• The number of decimal digits it has is: 20
• The sum of 64138963791567974580's digits is 108
• More coming soon!