81595133744128

Names of 81595133744128

• Cardinal: 81595133744128 can be written as Eighty-one trillion, five hundred ninety-five billion, one hundred thirty-three million, seven hundred forty-four thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 8.1595133744128 × 10¹³

Factors of 81595133744128

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 855

Divisors of 81595133744128

• Number of divisors d(n): 352
• Complete list of divisors:
  1 2 4 8 16 32 64 89 101 127 128 178 202 223 254 256 313 356 404 446 508 512 626 712 808 892 1016 1024 1252 1424 1616 1784 2032 2504 2848 3232 3568 4064 5008 5696 6464 7136 8128 8989 10016 11303 11392 12827 12928 14272 16256 17978 19847 20032 22523 22606 22784 25654 25856 27857 28321 28544 31613 32512 35956 39694 39751 40064 45046 45212 45568 51308 51712 55714 56642 57088 63226 65024 69799 71912 79388 79502 80128 90092 90424 91136 102616 103424 111428 113284 114176 126452 130048 139598 143824 158776 159004 160256 180184 180848 205232 222856 226568 228352 252904 279196 287648 317552 318008 320512 360368 361696 410464 445712 453136 505808 558392 575296 635104 636016 720736 723392 820928 891424 906272 1011616 1116784 1141603 1150592 1270208 1272032 1441472 1446784 1641856 1782848 1812544 2004547 2023232 2233568 2283206 2301184 2520569 2540416 2544064 2813557 2860421 2882944 2893568 3283712 3537839 3565696 3625088 4009094 4014851 4046464 4467136 4566412 4602368 5041138 5080832 5088128 5627114 5720842 5765888 5787136 6212111 6567424 7049699 7075678 7131392 7250176 8018188 8029702 8092928 8864473 8934272 9132824 9204736 10082276 10161664 10176256 11254228 11441684 11531776 11574272 12424222 13134848 14099398 14151356 14262784 14500352 16036376 16059404 16185856 17728946 17868544 18265648 20164552 20323328 20352512 22508456 22883368 23063552 24848444 28198796 28302712 28525568 29000704 32072752 32118808 32371712 35457892 35737088 36531296 40329104 40705024 45016912 45766736 49696888 56397592 56605424 64145504 64237616 70915784 71474176 73062592 80658208 90033824 91533472 99393776 112795184 113210848 128291008 128475232 141831568 146125184 161316416 180067648 183066944 198787552 225590368 226421696 254577469 256582016 256950464 283663136 292250368 322632832 357321739 360135296 366133888 397575104 451180736 452843392 509154938 513164032 513900928 567326272 584500736 627423211 645265664 714643478 720270592 732267776 788938097 795150208 895311773 902361472 905686784 1018309876 1026328064 1027801856 1134652544 1169001472 1254846422 1290531328 1429286956 1440541184 1464535552 1577876194 1590300416 1790623546 1804722944 1811373568 2036619752 2052656128 2055603712 2269305088 2509692844 2581062656 2858573912 2881082368 2929071104 3155752388 3180600832 3581247092 3609445888 3622747136 4073239504 4111207424 4538610176 5019385688 5717147824 6311504776 6361201664 7162494184 7218891776 8146479008 9077220352 10038771376 11434295648 12623009552 14324988368 16292958016 20077542752 22868591296 25246019104 28649976736 32585916032 40155085504 45737182592 50492038208 57299953472 65171832064 79682747797 80310171008 91474365184 100984076416 114599906944 130343664128 159365495594 160620342016 182948730368 201968152832 229199813888 260687328256 318730991188 321240684032 365897460736 403936305664 458399627776 637461982376 642481368064 807872611328 916799255552 1274923964752 2549847929504 5099695859008 10199391718016 20398783436032 40797566872064 81595133744128
• Sum of all divisors σ(n): 169179664711680
• Sum of proper divisors (its aliquot sum) s(n): 87584530967552
• 81595133744128 is an abundant number, because the sum of its proper divisors (87584530967552) is greater than itself. Its abundance is 5989397223424

Bases of 81595133744128

• Binary: 10010100011010111011000111101100101010000000000₂
• Hexadecimal: 0x4A35D8F65400
• Base-36: SX8ABWNWG

Squares and roots of 81595133744128

• 81595133744128 squared (81595133744128²) is 6657765850722135811774480384
• 81595133744128 cubed (81595133744128³) is 543241295026760804571963170282491611185152
• The square root of 81595133744128 is 9033002.4767033027
• The cube root of 81595133744128 is 43373.1954768223

Scales and comparisons

• 81,595,133,744,128 seconds is equal to 2,594,472 years, 44 weeks, 6 days, 55 minutes, 28 seconds.
• To count from 1 to 81,595,133,744,128 would take you about six million, four hundred eighty-six thousand, one hundred eighty-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 81595133744128 cubic inches would be around 3614.4 feet tall.

Recreational maths with 81595133744128

• 81595133744128 backwards is 82144733159518
• The number of decimal digits it has is: 14
• The sum of 81595133744128's digits is 61
• More coming soon!