145890268992

Names of 145890268992

• Cardinal: 145890268992 can be written as One hundred forty-five billion, eight hundred ninety million, two hundred sixty-eight thousand, nine hundred ninety-two.

Scientific notation

• Scientific notation: 1.45890268992 × 10¹¹

Factors of 145890268992

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 2164819

Divisors of 145890268992

• Number of divisors d(n): 140
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 27 32 36 39 48 52 54 64 72 78 81 96 104 108 117 144 156 162 192 208 216 234 288 312 324 351 416 432 468 576 624 648 702 832 864 936 1053 1248 1296 1404 1728 1872 2106 2496 2592 2808 3744 4212 5184 5616 7488 8424 11232 16848 22464 33696 67392 2164801 4329602 6494403 8659204 12988806 17318408 19483209 25977612 28142413 34636816 38966418 51955224 56284826 58449627 69273632 77932836 84427239 103910448 112569652 116899254 138547264 155865672 168854478 175348881 207820896 225139304 233798508 253281717 311731344 337708956 350697762 415641792 450278608 467597016 506563434 623462688 675417912 701395524 759845151 900557216 935194032 1013126868 1246925376 1350835824 1402791048 1519690302 1801114432 1870388064 2026253736 2279535453 2701671648 2805582096 3039380604 3740776128 4052507472 4559070906 5403343296 5611164192 6078761208 8105014944 9118141812 11222328384 12157522416 16210029888 18236283624 24315044832 36472567248 48630089664 72945134496 145890268992
• Sum of all divisors σ(n): 465731172676
• Sum of proper divisors (its aliquot sum) s(n): 319840903684
• 145890268992 is an abundant number, because the sum of its proper divisors (319840903684) is greater than itself. Its abundance is 173950634692

Bases of 145890268992

• Binary: 10000111110111101111001101011101000000₂
• Hexadecimal: 0x21F7BCD740
• Base-36: 1V0RAS00

Squares and roots of 145890268992

• 145890268992 squared (145890268992²) is 21283970586558116696064
• 145890268992 cubed (145890268992³) is 3105124194090779664229703267647488
• The square root of 145890268992 is 381955.8469142735
• The cube root of 145890268992 is 5264.3179110051

Scales and comparisons

• 145,890,268,992 seconds is equal to 4,638 years, 44 weeks, 4 days, 18 hours, 43 minutes, 12 seconds.
• To count from 1 to 145,890,268,992 would take you about nine thousand, two hundred seventy-seven 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 145890268992 cubic inches would be around 438.7 feet tall.

Recreational maths with 145890268992

• 145890268992 backwards is 299862098541
• The number of decimal digits it has is: 12
• The sum of 145890268992's digits is 63
• More coming soon!