40729978432

Names of 40729978432

• Cardinal: 40729978432 can be written as Forty billion, seven hundred twenty-nine million, nine hundred seventy-eight thousand, four hundred thirty-two.

Scientific notation

• Scientific notation: 4.0729978432 × 10¹⁰

Factors of 40729978432

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 478

Divisors of 40729978432

• Number of divisors d(n): 252
• Complete list of divisors:
  1 2 4 8 11 13 16 22 26 31 32 44 52 62 64 88 104 121 124 143 176 208 242 248 286 341 352 403 416 421 484 496 572 682 704 806 832 842 961 968 992 1144 1364 1573 1612 1684 1922 1936 1984 2288 2728 3146 3224 3368 3751 3844 3872 4433 4576 4631 5456 5473 6292 6448 6736 7502 7688 7744 8866 9152 9262 10571 10912 10946 12493 12584 12896 13051 13472 15004 15376 17732 18524 21142 21824 21892 24986 25168 25792 26102 26944 30008 30752 35464 37048 42284 43784 48763 49972 50336 50941 52204 60016 60203 61504 70928 74096 84568 87568 97526 99944 100672 101882 104408 116281 120032 120406 137423 141856 143561 148192 169136 169663 175136 195052 199888 203764 208816 232562 240064 240812 274846 283712 287122 296384 338272 339326 350272 390104 399776 404581 407528 417632 465124 481624 549692 574244 662233 676544 678652 780208 799552 809162 815056 835264 930248 963248 1099384 1148488 1324466 1357304 1511653 1560416 1579171 1618324 1630112 1860496 1866293 1926496 2198768 2296976 2648932 2714608 3023306 3120832 3158342 3236648 3260224 3720992 3732586 3852992 4397536 4450391 4593952 5259553 5297864 5429216 6046612 6316684 6473296 7441984 7465172 8795072 8900782 9187904 10519106 10595728 10858432 12093224 12633368 12946592 14930344 17801564 20529223 21038212 21191456 24186448 25266736 25893184 29860688 35603128 41058446 42076424 42382912 48372896 48954301 50533472 57855083 59721376 71206256 82116892 84152848 96745792 97908602 101066944 115710166 119442752 142412512 164233784 168305696 195817204 231420332 284825024 328467568 336611392 391634408 462840664 636405913 656935136 783268816 925681328 1272811826 1313870272 1566537632 1851362656 2545623652 3133075264 3702725312 5091247304 10182494608 20364989216 40729978432
• Sum of all divisors σ(n): 99093483804
• Sum of proper divisors (its aliquot sum) s(n): 58363505372
• 40729978432 is an abundant number, because the sum of its proper divisors (58363505372) is greater than itself. Its abundance is 17633526940

Bases of 40729978432

• Binary: 100101111011101100100010011001000000₂
• Hexadecimal: 0x97BB22640
• Base-36: IPLKSHS

Squares and roots of 40729978432

• 40729978432 squared (40729978432²) is 1658931143071185178624
• 40729978432 cubed (40729978432³) is 67568229677462478566033587437568
• The square root of 40729978432 is 201816.6951270385
• The cube root of 40729978432 is 3440.6306992137

Scales and comparisons

• 40,729,978,432 seconds is equal to 1,295 years, 4 weeks, 3 days, 18 hours, 53 minutes, 52 seconds.
• To count from 1 to 40,729,978,432 would take you about two thousand, five hundred ninety 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 40729978432 cubic inches would be around 286.7 feet tall.

Recreational maths with 40729978432

• 40729978432 backwards is 23487992704
• The number of decimal digits it has is: 11
• The sum of 40729978432's digits is 55
• More coming soon!