18331933025729961

Names of 18331933025729961

• Cardinal: 18331933025729961 can be written as Eighteen quadrillion, three hundred thirty-one trillion, nine hundred thirty-three billion, twenty-five million, seven hundred twenty-nine thousand, nine hundred sixty-one.

Scientific notation

• Scientific notation: 1.8331933025729961 × 10¹⁶

Factors of 18331933025729961

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 51

Divisors of 18331933025729961

• Number of divisors d(n): 231
• Complete list of divisors:
  1 3 9 11 27 33 37 81 99 111 121 243 297 333 363 407 729 891 999 1089 1221 1369 2187 2673 2997 3267 3663 4107 4477 6561 8019 8991 9801 10989 12321 13431 15059 19683 24057 26973 29403 32967 36963 40293 45177 50653 59049 72171 80919 88209 98901 110889 120879 135531 151959 165649 216513 242757 264627 296703 332667 362637 406593 455877 496947 557183 649539 728271 793881 890109 998001 1087911 1219779 1367631 1490841 1671549 1874161 2184813 2381643 2670327 2994003 3263733 3659337 4102893 4472523 5014647 5622483 6129013 7144929 8010981 8982009 9791199 10978011 12308679 13417569 15043941 16867449 18387039 20615771 24032943 26946027 29373597 32934033 36926037 40252707 45131823 50602347 55161117 61847313 69343957 80838081 88120791 98802099 110778111 120758121 135395469 151807041 165483351 185541939 208031871 226773481 264362373 296406297 332334333 362274363 406186407 455421123 496450053 556625817 624095613 680320443 762783527 889218891 997002999 1086823089 1218559221 1366263369 1489350159 1669877451 1872286839 2040961329 2288350581 2565726409 2991008997 3260469267 3655677663 4098790107 4468050477 5009632353 5616860517 6122883987 6865051743 7697179227 8390618797 9781407801 10967032989 12296370321 13404151431 15028897059 16850581551 18368651961 20595155229 23091537681 25171856391 28222990499 32901098967 36889110963 40212454293 45086691177 50551744653 55105955883 61785465687 69274613043 75515569173 84668971497 110667332889 120637362879 135260073531 151655233959 165317867649 185356397061 207823839129 226546707519 254006914491 310452895489 361912088637 405780220593 454965701877 495953602947 556069191183 623471517387 679640122557 762020743473 931358686467 1217340661779 1364897105631 1487860808841 1668207573549 1870414552161 2038920367671 2286062230419 2794076059401 4094691316893 4463582426523 5004622720647 5611243656483 6116761103013 6858186691257 8382228178203 13390747279569 15013868161941 16833730969449 18350283309039 20574560073771 25146684534609 45041604485823 50501192908347 55050849927117 61723680221313 75440053603827 151503578725041 165152549781351 185171040663939 226320160811481 495457649344053 555513121991817 678960482434443 1666539365975451 2036881447303329 6110644341909987 18331933025729961
• Sum of all divisors σ(n): 31064370927146683
• Sum of proper divisors (its aliquot sum) s(n): 12732437901416722
• 18331933025729961 is a deficient number, because the sum of its proper divisors (12732437901416722) is less than itself. Its deficiency is 5599495124313239

Bases of 18331933025729961

• Binary: 1000001001000001100101111000100000010110111110110101001₂
• Hexadecimal: 0x4120CBC40B7DA9
• Base-36: 50I4LRR19K9

Squares and roots of 18331933025729961

• 18331933025729961 squared (18331933025729961²) is 336059768459848842951256893061521
• 18331933025729961 cubed (18331933025729961³) is 6160625168048266915250904424422932609547105930681
• 18331933025729961 is a perfect square number. Its square root is 135395469
• The cube root of 18331933025729961 is 263675.2828978273
• Being both a perfect square and a perfect cube, 18331933025729961 is also a perfect sixth number.

Scales and comparisons

• 18,331,933,025,729,961 seconds is equal to 582,898,765 years, 42 weeks, 6 days, 18 hours, 19 minutes, 21 seconds.
• To count from 1 to 18,331,933,025,729,961 would take you about one billion, seven hundred forty-eight million, six hundred ninety-six thousand, two hundred ninety-seven 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 18331933025729961 cubic inches would be around 21972.9 feet tall.

Recreational maths with 18331933025729961

• 18331933025729961 backwards is 16992752033913381
• The number of decimal digits it has is: 17
• The sum of 18331933025729961's digits is 72
• More coming soon!