21395916327184

Names of 21395916327184

• Cardinal: 21395916327184 can be written as Twenty-one trillion, three hundred ninety-five billion, nine hundred sixteen million, three hundred twenty-seven thousand, one hundred eighty-four.

Scientific notation

• Scientific notation: 2.1395916327184 × 10¹³

Factors of 21395916327184

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 113

Divisors of 21395916327184

• Number of divisors d(n): 225
• Complete list of divisors:
  1 2 4 7 8 14 16 28 31 49 56 62 73 98 112 124 146 196 217 248 292 392 434 496 511 584 784 868 961 1022 1168 1519 1736 1922 2044 2263 3038 3472 3577 3844 4088 4526 5329 6076 6727 7154 7688 8176 9052 10658 12152 13454 14308 15376 15841 18104 21316 24304 26908 28616 31682 36208 37303 42632 47089 53816 57232 63364 70153 74606 85264 94178 107632 110887 126728 140306 149212 165199 188356 221774 253456 261121 280612 298424 330398 376712 389017 443548 491071 522242 561224 596848 660796 753424 778034 887096 982142 1044484 1122448 1156393 1321592 1556068 1774192 1964284 2088968 2312786 2643184 2723119 3112136 3437497 3928568 4177936 4625572 5121169 5446238 6224272 6874994 7857136 8094751 9251144 10242338 10892476 12059527 13749988 16189502 18502288 19061833 20484676 21784952 24119054 27499976 28398241 32379004 35848183 38123666 40969352 43569904 48238108 54999952 56796482 64758008 71696366 76247332 81938704 84416689 96476216 113592964 129516016 143392732 152494664 168833378 192952432 198787687 227185928 250937281 286785464 304989328 337666756 373845337 397575374 454371856 501874562 573570928 590916823 675333512 747690674 795150748 880345471 1003749124 1181833646 1350667024 1391513809 1495381348 1590301496 1760690942 2007498248 2363667292 2616917359 2783027618 2990762696 3180602992 3521381884 4014996496 4727334584 5233834718 5566055236 5981525392 6162418297 7042763768 9454669168 10467669436 11132110472 12324836594 14085527536 18318421513 20935338872 22264220944 24649673188 27290709601 36636843026 41870677744 43136928079 49299346376 54581419202 73273686052 86273856158 98598692752 109162838404 146547372104 172547712316 191034967207 218325676808 293094744208 345095424632 382069934414 436651353616 690190849264 764139868828 1337244770449 1528279737656 2674489540898 3056559475312 5348979081796 10697958163592 21395916327184
• Sum of all divisors σ(n): 50520495563091
• Sum of proper divisors (its aliquot sum) s(n): 29124579235907
• 21395916327184 is an abundant number, because the sum of its proper divisors (29124579235907) is greater than itself. Its abundance is 7728662908723

Bases of 21395916327184

• Binary: 100110111010110011111111111100000100100010000₂
• Hexadecimal: 0x13759FFE0910
• Base-36: 7L15C5KWG

Squares and roots of 21395916327184

• 21395916327184 squared (21395916327184²) is 457785235479858868137369856
• 21395916327184 cubed (21395916327184³) is 9794734594147284519764385812565314965504
• 21395916327184 is a perfect square number. Its square root is 4625572
• The cube root of 21395916327184 is 27761.5448874675

Scales and comparisons

• 21,395,916,327,184 seconds is equal to 680,323 years, 49 weeks, 5 days, 10 hours, 53 minutes, 4 seconds.
• To count from 1 to 21,395,916,327,184 would take you about one million, seven hundred thousand, eight hundred 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 21395916327184 cubic inches would be around 2313.5 feet tall.

Recreational maths with 21395916327184

• 21395916327184 backwards is 48172361959312
• The number of decimal digits it has is: 14
• The sum of 21395916327184's digits is 61
• More coming soon!