18656697990216

Names of 18656697990216

• Cardinal: 18656697990216 can be written as Eighteen trillion, six hundred fifty-six billion, six hundred ninety-seven million, nine hundred ninety thousand, two hundred sixteen.

Scientific notation

• Scientific notation: 1.8656697990216 × 10¹³

Factors of 18656697990216

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 29

Divisors of 18656697990216

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 6 8 11 12 13 22 24 26 33 39 44 52 66 78 88 104 121 132 143 156 169 242 264 286 312 338 363 429 484 507 572 676 726 858 968 1014 1144 1331 1352 1452 1573 1716 1859 2028 2197 2662 2904 3146 3432 3718 3993 4056 4394 4719 5324 5577 6292 6591 7436 7986 8788 9438 10648 11154 12584 13182 14641 14872 15972 17303 17576 18876 20449 22308 24167 26364 28561 29282 31944 34606 37752 40898 43923 44616 48334 51909 52728 57122 58564 61347 69212 72501 81796 85683 87846 96668 103818 114244 117128 122694 138424 145002 161051 163592 171366 175692 190333 193336 207636 224939 228488 245388 265837 290004 314171 322102 342732 351384 371293 380666 415272 449878 483153 490776 531674 570999 580008 628342 644204 674817 685464 742586 761332 797511 899756 942513 966306 1063348 1113879 1141998 1256684 1288408 1349634 1485172 1522664 1595022 1799512 1885026 1932612 2093663 2126696 2227758 2283996 2474329 2513368 2699268 2924207 2970344 3190044 3455881 3770052 3865224 4084223 4187326 4455516 4567992 4826809 4948658 5398536 5848414 6280989 6380088 6911762 7422987 7540104 8168446 8374652 8772621 8911032 9653618 9897316 10367643 11696828 12252669 12561978 13823524 14480427 14845974 16336892 16749304 17545242 19307236 19794632 20735286 23393656 24505338 25123956 27217619 27647048 28960854 29691948 32166277 32673784 35090484 38014691 38614472 41470572 44926453 49010676 50247912 53094899 54435238 57921708 59383896 64332554 70180968 76029382 81652857 82941144 89852906 96498831 98021352 106189798 108870476 114044073 115843416 128665108 134779359 152058764 159284697 163305714 179705812 192997662 212379596 217740952 228088146 257330216 269558718 304117528 318569394 326611428 353829047 359411624 385995324 418161601 424759192 456176292 494190983 539117436 584043889 637138788 653222856 707658094 771990648 836323202 912352584 988381966 1061487141 1078234872 1168087778 1254484803 1274277576 1415316188 1482572949 1672646404 1752131667 1976763932 2122974282 2336175556 2508969606 2830632376 2965145898 3345292808 3504263334 3953527864 4245948564 4599777611 4672351112 5017939212 5436100813 5930291796 6424482779 7008526668 8491897128 9199555222 10035878424 10872201626 11860583592 12848965558 13799332833 14017053336 16308302439 18399110444 19273448337 21744403252 25697931116 27598665666 32616604878 36798220888 38546896674 43488806504 51395862232 55197331332 59797108943 65233209756 70669310569 77093793348 110394662664 119594217886 130466419512 141338621138 154187586696 179391326829 212007931707 239188435772 282677242276 358782653658 424015863414 478376871544 565354484552 717565307316 777362416259 848031726828 1435130614632 1554724832518 1696063453656 2332087248777 3109449665036 4664174497554 6218899330072 9328348995108 18656697990216
• Sum of all divisors σ(n): 55581380502480
• Sum of proper divisors (its aliquot sum) s(n): 36924682512264
• 18656697990216 is an abundant number, because the sum of its proper divisors (36924682512264) is greater than itself. Its abundance is 18267984522048

Bases of 18656697990216

• Binary: 100001111011111011001110110110011110001001000₂
• Hexadecimal: 0x10F7D9DB3C48
• Base-36: 6M2ROA53C

Squares and roots of 18656697990216

• 18656697990216 squared (18656697990216²) is 348072379898129733631726656
• 18656697990216 cubed (18656697990216³) is 6493881270495137040264266125689074397696
• The square root of 18656697990216 is 4319339.9947464195
• The cube root of 18656697990216 is 26522.3250768099
• Being both a perfect square and a perfect cube, 18656697990216 is also a perfect sixth number.

Scales and comparisons

• 18,656,697,990,216 seconds is equal to 593,225 years, 14 weeks, 6 days, 12 hours, 23 minutes, 36 seconds.
• To count from 1 to 18,656,697,990,216 would take you about one million, four hundred eighty-three thousand and sixty-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 18656697990216 cubic inches would be around 2210.2 feet tall.

Recreational maths with 18656697990216

• 18656697990216 backwards is 61209979665681
• The number of decimal digits it has is: 14
• The sum of 18656697990216's digits is 75
• More coming soon!