18216981752173380

Names of 18216981752173380

• Cardinal: 18216981752173380 can be written as Eighteen quadrillion, two hundred sixteen trillion, nine hundred eighty-one billion, seven hundred fifty-two million, one hundred seventy-three thousand, three hundred eighty.

Scientific notation

• Scientific notation: 1.821698175217338 × 10¹⁶

Factors of 18216981752173380

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 15781296531

Divisors of 18216981752173380

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 5 6 9 10 11 12 15 18 20 22 30 33 36 44 45 53 55 60 66 90 99 106 110 121 132 159 165 180 198 212 220 242 265 318 330 363 396 477 484 495 530 583 605 636 660 726 795 954 990 1060 1089 1166 1210 1452 1590 1749 1815 1908 1980 2178 2332 2385 2420 2915 3180 3498 3630 4356 4770 5247 5445 5830 6413 6996 7260 8745 9540 10494 10890 11660 12826 17490 19239 20988 21780 25652 26235 32065 34980 38478 52470 57717 64130 76956 96195 104940 115434 128260 192390 230868 288585 384780 577170 1154340 15781296457 31562592914 47343889371 63125185828 78906482285 94687778742 142031668113 157812964570 173594261027 189375557484 236719446855 284063336226 315625929140 347188522054 473438893710 520782783081 568126672452 694377044108 710158340565 836408712221 867971305135 946877787420 1041565566162 1420316681130 1562348349243 1672817424442 1735942610270 1909536871297 2083131132324 2509226136663 2603913915405 2840633362260 3124696698486 3345634848884 3471885220540 3819073742594 4182043561105 5018452273326 5207827830810 5728610613891 6249393396972 7527678409989 7638147485188 7811741746215 8364087122210 9200495834431 9547684356485 10036904546652 10415655661620 11457221227782 12546130683315 15055356819978 15623483492430 16728174244420 17185831841673 18400991668862 19095368712970 22914442455564 25092261366630 27601487503293 28643053069455 30110713639956 31246966984860 34371663683346 36801983337724 37638392049945 38190737425940 46002479172155 50184522733260 55202975006586 57286106138910 68743327366692 75276784099890 82804462509879 85929159208365 92004958344310 101205454178741 110405950013172 114572212277820 138007437516465 150553568199780 165608925019758 171858318416730 184009916688620 202410908357482 276014875032930 303616362536223 331217850039516 343716636833460 404821816714964 414022312549395 506027270893705 552029750065860 607232725072446 828044625098790 910849087608669 1012054541787410 1214465450144892 1518081812681115 1656089250197580 1821698175217338 2024109083574820 3036163625362230 3643396350434676 4554245438043345 6072327250724460 9108490876086690 18216981752173380
• Sum of all divisors σ(n): 61884334054100376
• Sum of proper divisors (its aliquot sum) s(n): 43667352301926996
• 18216981752173380 is an abundant number, because the sum of its proper divisors (43667352301926996) is greater than itself. Its abundance is 25450370549753616

Bases of 18216981752173380

• Binary: 1000000101110000011111110010110001101111101001101000100₂
• Hexadecimal: 0x40B83F9637D344
• Base-36: 4ZDDPVUPOP0

Squares and roots of 18216981752173380

• 18216981752173380 squared (18216981752173380²) is 331858424159017910096353580624400
• 18216981752173380 cubed (18216981752173380³) is 6045458857209842828047140265227061349757458472000
• The square root of 18216981752173380 is 134970299.5187214511
• The cube root of 18216981752173380 is 263122.9973641527

Scales and comparisons

• 18,216,981,752,173,380 seconds is equal to 579,243,670 years, 46 weeks, 3 days, 17 hours, 3 minutes.
• To count from 1 to 18,216,981,752,173,380 would take you about one billion, seven hundred thirty-seven million, seven hundred thirty-one thousand and twelve 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 18216981752173380 cubic inches would be around 21926.9 feet tall.

Recreational maths with 18216981752173380

• 18216981752173380 backwards is 08337125718961281
• The number of decimal digits it has is: 17
• The sum of 18216981752173380's digits is 72
• More coming soon!