72681191251536896

Names of 72681191251536896

• Cardinal: 72681191251536896 can be written as Seventy-two quadrillion, six hundred eighty-one trillion, one hundred ninety-one billion, two hundred fifty-one million, five hundred thirty-six thousand, eight hundred ninety-six.

Scientific notation

• Scientific notation: 7.2681191251536896 × 10¹⁶

Factors of 72681191251536896

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 1065

Divisors of 72681191251536896

• Number of divisors d(n): 396
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 37 49 56 64 74 98 112 128 148 196 224 256 259 296 392 448 512 518 592 784 896 1019 1024 1036 1184 1369 1568 1792 1813 2038 2072 2368 2738 3136 3584 3626 4076 4144 4736 5476 6272 7133 7168 7252 8152 8288 9472 9583 10952 12544 14266 14504 16304 16576 18944 19166 21904 25088 28532 29008 32608 33152 37703 37888 38332 43808 49931 50176 57064 58016 65216 66304 67081 75406 76664 87616 99862 114128 116032 130432 132608 134162 150812 153328 175232 199724 228256 232064 260864 263921 265216 268324 301624 306656 350464 399448 456512 464128 521728 527842 536648 603248 613312 700928 798896 913024 928256 1038361 1043456 1055684 1073296 1206496 1226624 1395011 1401856 1597792 1826048 1847447 1856512 2076722 2111368 2146592 2412992 2453248 2790022 3195584 3652096 3694894 4153444 4222736 4293184 4825984 4906496 5580044 6391168 7268527 7304192 7389788 8306888 8445472 8586368 9651968 9765077 9812992 11160088 12782336 14537054 14779576 16613776 16890944 17172736 19303936 19530154 22320176 25564672 29074108 29559152 33227552 33781888 34345472 38419357 38607872 39060308 44640352 50879689 51129344 58148216 59118304 66455104 67563776 68355539 68690944 76838714 78120616 89280704 101759378 116296432 118236608 132910208 135127552 136711078 153677428 156241232 178561408 203518756 232592864 236473216 265820416 268935499 270255104 273422156 307354856 312482464 357122816 407037512 465185728 472946432 531640832 537870998 546844312 614709712 624964928 714245632 814075024 930371456 945892864 1058089859 1063281664 1075741996 1093688624 1229419424 1249929856 1421516209 1428491264 1628150048 1860742912 1882548493 1891785728 2116179718 2151483992 2187377248 2458838848 2499859712 2843032418 3256300096 3721485824 3765096986 4232359436 4302967984 4374754496 4917677696 4999719424 5686064836 6512600192 7406629013 7442971648 7530193972 8464718872 8605935968 8749508992 9835355392 9950613463 9999438848 11372129672 13025200384 14813258026 15060387944 16929437744 17211871936 17499017984 19670710784 19901226926 22744259344 26050400768 29626516052 30120775888 33858875488 34423743872 34998035968 39149324783 39341421568 39802453852 45488518688 51846403091 52100801536 59253032104 60241551776 67717750976 68847487744 69654294241 69996071936 78298649566 79604907704 90977037376 103692806182 118506064208 120483103552 135435501952 137694975488 139308588482 156597299132 159209815408 181954074752 207385612364 237012128416 240966207104 270871003904 274045273481 275389950976 278617176964 313194598264 318419630816 363908149504 414771224728 474024256832 481932414208 541742007808 548090546962 557234353928 626389196528 636839261632 727816299008 829542449456 948048513664 963864828416 1083484015616 1096181093924 1114468707856 1252778393056 1273678523264 1448525016971 1455632598016 1659084898912 1896097027328 1918316914367 1927729656832 2192362187848 2228937415712 2505556786112 2547357046528 2897050033942 3318169797824 3792194054656 3836633828734 4384724375696 4457874831424 5011113572224 5094714093056 5794100067884 6636339595648 7584388109312 7673267657468 8769448751392 8915749662848 10022227144448 10139675118797 10189428186112 11588200135768 13272679191296 15346535314936 17538897502784 17831499325696 20044454288896 20279350237594 23176400271536 26545358382592 30693070629872 35077795005568 35662998651392 40088908577792 40558700475188 46352800543072 53090716765184 61386141259744 70155590011136 70977725831579 71325997302784 81117400950376 92705601086144 122772282519488 140311180022272 141955451663158 162234801900752 185411202172288 245544565038976 280622360044544 283910903326316 324469603801504 370822404344576 491089130077952 567821806652632 648939207603008 741644808689152 982178260155904 1135643613305264 1297878415206016 1483289617378304 1964356520311808 2271287226610528 2595756830412032 4542574453221056 5191513660824064 9085148906442112 10383027321648128 18170297812884224 36340595625768448 72681191251536896
• Sum of all divisors σ(n): 173874443815701720
• Sum of proper divisors (its aliquot sum) s(n): 101193252564164824
• 72681191251536896 is an abundant number, because the sum of its proper divisors (101193252564164824) is greater than itself. Its abundance is 28512061312627928

Bases of 72681191251536896

• Binary: 100000010001101110010100010001010011001100110110000000000₂
• Hexadecimal: 0x10237288A666C00
• Base-36: JVNBYBEF0U8

Squares and roots of 72681191251536896

• 72681191251536896 squared (72681191251536896²) is 5282555561742483426717082049314816
• 72681191251536896 cubed (72681191251536896³) is 383942431079875359699799375876779849687823743451136
• The square root of 72681191251536896 is 269594494.1046402307
• The cube root of 72681191251536896 is 417324.6254504153

Scales and comparisons

• 72,681,191,251,536,896 seconds is equal to 2,311,037,064 years, 5 weeks, 6 days, 5 hours, 34 minutes, 56 seconds.
• To count from 1 to 72,681,191,251,536,896 would take you about six billion, nine hundred thirty-three million, one hundred eleven thousand, one hundred ninety-two 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 72681191251536896 cubic inches would be around 34777.1 feet tall.

Recreational maths with 72681191251536896

• 72681191251536896 backwards is 69863515219118627
• The number of decimal digits it has is: 17
• The sum of 72681191251536896's digits is 80
• More coming soon!