40259745981

Names of 40259745981

• Cardinal: 40259745981 can be written as Forty billion, two hundred fifty-nine million, seven hundred forty-five thousand, nine hundred eighty-one.

Scientific notation

• Scientific notation: 4.0259745981 × 10¹⁰

Factors of 40259745981

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 42

Divisors of 40259745981

• Number of divisors d(n): 240
• Complete list of divisors:
  1 3 7 9 13 19 21 27 39 49 57 63 81 91 117 133 147 169 171 189 243 247 273 351 399 441 507 513 567 637 729 741 819 931 1053 1183 1197 1323 1521 1539 1701 1729 1911 2187 2197 2223 2457 2793 3159 3211 3549 3591 3969 4563 4617 5103 5187 5733 6561 6591 6669 7371 8281 8379 9477 9633 10647 10773 11907 12103 13689 13851 15309 15379 15561 17199 19683 19773 20007 22113 22477 24843 25137 28431 28899 31941 32319 35721 36309 41067 41553 41743 45927 46137 46683 51597 59319 60021 66339 67431 74529 75411 85293 86697 95823 96957 107163 107653 108927 123201 124659 125229 137781 138411 140049 154791 157339 177957 180063 199017 202293 223587 226233 255879 260091 287469 290871 292201 321489 322959 326781 369603 373977 375687 415233 420147 464373 472017 533871 540189 597051 606879 670761 678699 780273 862407 872613 876603 964467 968877 980343 1108809 1127061 1245699 1260441 1393119 1416051 1601613 1620567 1791153 1820637 2012283 2036097 2045407 2340819 2587221 2617839 2629809 2906631 2941029 3326427 3381183 3737097 3781323 4179357 4248153 4804839 4861701 5461911 6036849 6108291 6136221 7022457 7761663 7889427 8719893 8823087 10143549 11211291 11343969 12538071 12744459 14414517 16385733 18110547 18324873 18408663 21067371 23284989 23668281 26159679 26469261 30430647 33633873 34031907 38233377 43243551 49157199 54331641 55225989 63202113 71004843 78479037 79407783 91291941 100901619 114700131 147471597 162994923 165677967 213014529 235437111 238223349 273875823 302704857 344100393 442414791 497033901 639043587 706311333 821627469 1032301179 1491101703 1917130761 2118933999 3096903537 4473305109 5751392283 13419915327 40259745981
• Sum of all divisors σ(n): 80104516800
• Sum of proper divisors (its aliquot sum) s(n): 39844770819
• 40259745981 is a deficient number, because the sum of its proper divisors (39844770819) is less than itself. Its deficiency is 414975162

Bases of 40259745981

• Binary: 100101011111101010101111100010111101₂
• Hexadecimal: 0x95FAAF8BD
• Base-36: IHTM2T9

Squares and roots of 40259745981

• 40259745981 squared (40259745981²) is 1620847146454645652361
• 40259745981 cubed (40259745981³) is 65254894390292738701419892911141
• The square root of 40259745981 is 200648.3141743285
• The cube root of 40259745981 is 3427.3385838209

Scales and comparisons

• 40,259,745,981 seconds is equal to 1,280 years, 7 weeks, 6 hours, 46 minutes, 21 seconds.
• To count from 1 to 40,259,745,981 would take you about two thousand, five hundred sixty 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 40259745981 cubic inches would be around 285.6 feet tall.

Recreational maths with 40259745981

• 40259745981 backwards is 18954795204
• The number of decimal digits it has is: 11
• The sum of 40259745981's digits is 54
• More coming soon!