18081432178790656

Names of 18081432178790656

• Cardinal: 18081432178790656 can be written as Eighteen quadrillion, eighty-one trillion, four hundred thirty-two billion, one hundred seventy-eight million, seven hundred ninety thousand, six hundred fifty-six.

Scientific notation

• Scientific notation: 1.8081432178790656 × 10¹⁶

Factors of 18081432178790656

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 238

Divisors of 18081432178790656

• Number of divisors d(n): 225
• Complete list of divisors:
  1 2 4 8 13 16 26 32 52 64 104 128 169 208 223 256 338 416 446 676 832 892 1352 1664 1784 2197 2704 2899 3328 3568 4394 5408 5798 7136 8788 10816 11596 14272 17576 21632 23192 28544 28561 35152 37687 43264 46384 49729 57088 57122 70304 75374 92768 99458 114244 140608 150748 185536 198916 228488 281216 301496 371072 397832 456976 489931 562432 602992 646477 742144 795664 913952 979862 1205984 1292954 1591328 1827904 1959724 2411968 2585908 3182656 3655808 3919448 4823936 5171816 6365312 6369103 7311616 7838896 8404201 9647872 10343632 11089567 12730624 12738206 15677792 16808402 20687264 22179134 25476412 31355584 33616804 41374528 44358268 50952824 62711168 67233608 82749056 88716536 101905648 109254613 125422336 134467216 144164371 165498112 177433072 203811296 218509226 268934432 288328742 354866144 407622592 437018452 537868864 576657484 709732288 815245184 874036904 1075737728 1153314968 1419464576 1420309969 1630490368 1748073808 1874136823 2151475456 2306629936 2472973441 2838929152 2840619938 3496147616 3748273646 4613259872 4945946882 5681239876 6992295232 7496547292 9226519744 9891893764 11362479752 13984590464 14993094584 18453039488 19783787528 22724959504 24363778699 27969180928 29986189168 32148654733 36906078976 39567575056 45449919008 48727557398 59972378336 64297309466 79135150112 90899838016 97455114796 119944756672 128594618932 158270300224 181799676032 194910229592 239889513344 257189237864 316540600448 316729123087 363599352064 389820459184 417932511529 479779026688 514378475728 633081200896 633458246174 779640918368 835865023058 1028756951456 1266916492348 1559281836736 1671730046116 2057513902912 2533832984696 3118563673472 3343460092232 4115027805824 5067665969392 5433122649877 6237127346944 6686920184464 8230055611648 10135331938784 10866245299754 13373840368928 20270663877568 21732490599508 26747680737856 40541327755136 43464981199016 53495361475712 70630594448401 81082655510272 86929962398032 106990722951424 141261188896802 173859924796064 282522377793604 347719849592128 565044755587208 695439699184256 1130089511174416 1390879398368512 2260179022348832 4520358044697664 9040716089395328 18081432178790656
• Sum of all divisors σ(n): 39275939893539811
• Sum of proper divisors (its aliquot sum) s(n): 21194507714749155
• 18081432178790656 is an abundant number, because the sum of its proper divisors (21194507714749155) is greater than itself. Its abundance is 3113075535958499

Bases of 18081432178790656

• Binary: 1000000001111001111011101111110000011000001000100000000₂
• Hexadecimal: 0x403CF77E0C1100
• Base-36: 4Y1BZ9QI9Z4

Squares and roots of 18081432178790656

• 18081432178790656 squared (18081432178790656²) is 326938189636206209364882672910336
• 18081432178790656 cubed (18081432178790656³) is 5911510702563660709118598761827198933824402620416
• 18081432178790656 is a perfect square number. Its square root is 134467216
• The cube root of 18081432178790656 is 262468.7536082517

Scales and comparisons

• 18,081,432,178,790,656 seconds is equal to 574,933,613 years, 38 weeks, 4 days, 16 hours, 4 minutes, 16 seconds.
• To count from 1 to 18,081,432,178,790,656 would take you about one billion, seven hundred twenty-four million, eight hundred thousand, eight hundred forty-one 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 18081432178790656 cubic inches would be around 21872.4 feet tall.

Recreational maths with 18081432178790656

• 18081432178790656 backwards is 65609787123418081
• The number of decimal digits it has is: 17
• The sum of 18081432178790656's digits is 76
• More coming soon!