40638263255118125785881

Names of 40638263255118125785881

• Cardinal: 40638263255118125785881 can be written as Forty sextillion, six hundred thirty-eight quintillion, two hundred sixty-three quadrillion, two hundred fifty-five trillion, one hundred eighteen billion, one hundred twenty-five million, seven hundred eighty-five thousand, eight hundred eighty-one.

Scientific notation

• Scientific notation: 4.0638263255118125785881 × 10²²

Factors of 40638263255118125785881

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 2990

Divisors of 40638263255118125785881

• Number of divisors d(n): 315
• Complete list of divisors:
  1 3 7 9 11 21 27 33 49 63 77 81 99 121 147 189 231 243 297 363 441 539 567 693 729 847 891 1089 1323 1331 1617 1701 2079 2541 2673 2969 3267 3969 3993 4851 5103 5929 6237 7623 8019 8907 9317 9801 11907 11979 14553 14641 17787 18711 20783 22869 26721 27951 29403 32659 35721 35937 43659 43923 53361 56133 62349 65219 68607 80163 83853 88209 97977 102487 107811 130977 131769 145481 160083 187047 195657 205821 228613 240489 251559 293931 307461 323433 359249 392931 395307 436443 480249 561141 586971 617463 685839 717409 721467 754677 881793 922383 970299 1077747 1185921 1309329 1440747 1600291 1683423 1760913 2057517 2152227 2164401 2264031 2514743 2645379 2767149 3233241 3557763 3927987 3951739 4322241 4800873 5050269 5282739 6172551 6456681 6792093 7544229 7936137 8301447 8814961 9699723 10673289 11783961 11855217 14402619 15150807 15848217 17603201 18517653 19370043 22632687 23808411 24904341 26444883 27662173 29099169 35351883 35565651 43207857 43469129 47544651 52809603 55552959 58110129 61704727 67898061 74713023 79334649 82986519 87297507 96964571 106055649 106696953 129623571 130407387 158428809 166658877 174330387 185114181 193635211 203694183 238003947 248959557 261892521 290893713 304283903 320090859 388870713 391222161 431933089 475286427 522991161 555342543 580905633 611082549 678751997 714011841 746878671 872681139 912851709 960272577 1066610281 1166612139 1173666483 1295799267 1425859281 1666027629 1742716899 1833247647 2036255991 2129987321 2142035523 2240636013 2618043417 2738555127 2880817731 3199830843 3520999449 3887397801 4277577843 4751263979 4998082887 5228150697 6108767973 6389961963 6426106569 6721908039 7466271967 7854130251 8215665381 9599492529 10562998347 11662193403 11732713091 12832733529 14253791937 14994248661 15684452091 18326303919 19169885889 20165724117 22398815901 23562390753 24646996143 28798477587 31688995041 34986580209 35198139273 42761375811 44982745983 47053356273 52263903769 54978911757 57509657667 67196447703 70687172259 73940988429 82128991637 86395432761 104959740627 105594417819 128284127433 129059844001 141160068819 156791711307 164936735271 172528973001 201589343109 221822965287 246386974911 259186298283 314879221881 316783253457 384852382299 387179532003 470375133921 494810205813 517586919003 574902941459 604768029327 739160924733 777558894849 903418908007 950349760371 1154557146897 1161538596009 1411125401763 1552760757009 1724708824377 1814304087981 2217482774199 2710256724021 2851049281113 3463671440691 3484615788027 4233376205289 5174126473131 5442912263943 6323932356049 6652448322597 8130770172063 8553147843339 10453847364081 12700128615867 15522379419393 18971797068147 19957344967791 24392310516189 31361542092243 38100385847601 46567138258179 56915391204441 59872034903373 73176931548567 94084626276729 139701414774537 170746173613323 219530794645701 419104244323611 512238520839969 658592383937103 1536715562519907 4610146687559721
• Sum of all divisors σ(n): 40638267492509567441415
• Sum of proper divisors (its aliquot sum) s(n): 4237391441655534
• 40638263255118125785881 is a deficient number, because the sum of its proper divisors (4237391441655534) is less than itself. Its deficiency is 40638259017726684130347

Bases of 40638263255118125785881

• Binary: 1000100110110000000100110001101111111100100010001101011010001110001100011001₂
• Hexadecimal: 0x89B0131BFC88D68E319
• Base-36: 6M8EH0DV9MG90K9

Squares and roots of 40638263255118125785881

• 40638263255118125785881 squared (40638263255118125785881²) is 1651468440392284048592685633906600003858946161
• 40638263255118125785881 cubed (40638263255118125785881³) is 67112809238180995644825779015321556421377465763198169702940592952841
• 40638263255118125785881 is a perfect square number. Its square root is 201589343109
• The cube root of 40638263255118125785881 is 34380462.3752698243

Scales and comparisons

• 40,638,263,255,118,125,785,881 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 40,638,263,255,118,125,785,881 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 40638263255118125785881 cubic inches would be around 2865038.5 feet tall.

Recreational maths with 40638263255118125785881

• 40638263255118125785881 backwards is 18858752181155236283604
• 40638263255118125785881 is a Harshad number.
• The number of decimal digits it has is: 23
• The sum of 40638263255118125785881's digits is 99
• More coming soon!