31428253472

Names of 31428253472

• Cardinal: 31428253472 can be written as Thirty-one billion, four hundred twenty-eight million, two hundred fifty-three thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 3.1428253472 × 10¹⁰

Factors of 31428253472

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 57

Divisors of 31428253472

• Number of divisors d(n): 270
• Complete list of divisors:
  1 2 4 7 8 11 14 16 22 28 32 37 44 49 56 74 77 88 98 112 121 148 154 176 196 224 242 259 296 308 352 392 407 484 518 539 592 616 784 814 847 968 1036 1078 1184 1232 1331 1369 1568 1628 1694 1813 1936 2072 2156 2464 2662 2738 2849 3256 3388 3626 3872 4144 4312 4477 5324 5476 5698 5929 6512 6776 7252 8288 8624 8954 9317 9583 10648 10952 11396 11858 13024 13552 14504 14641 15059 17248 17908 18634 19166 19943 21296 21904 22792 23716 27104 29008 29282 30118 31339 35816 37268 38332 39886 42592 43808 45584 47432 49247 58016 58564 60236 62678 65219 67081 71632 74536 76664 79772 91168 94864 98494 102487 105413 117128 120472 125356 130438 134162 143264 149072 153328 159544 165649 189728 196988 204974 210826 219373 234256 240944 250712 260876 268324 298144 306656 319088 331298 344729 393976 409948 421652 438746 468512 481888 501424 521752 536648 541717 638176 662596 689458 717409 737891 787952 819896 843304 877492 1002848 1043504 1073296 1083434 1159543 1325192 1378916 1434818 1475782 1575904 1639792 1686608 1754984 1822139 2087008 2146592 2166868 2319086 2413103 2650384 2757832 2869636 2951564 3279584 3373216 3509968 3644278 3792019 4333736 4638172 4826206 5300768 5515664 5739272 5903128 7019936 7288556 7584038 8116801 8667472 9276344 9652412 11031328 11478544 11806256 12754973 14577112 15168076 16233602 17334944 18552688 19304824 20043529 22957088 23612512 25509946 26544133 29154224 30336152 32467204 37105376 38609648 40087058 51019892 53088266 58308448 60672304 64934408 77219296 80174116 89284811 102039784 106176532 121344608 129868816 140304703 160348232 178569622 204079568 212353064 259737632 280609406 320696464 357139244 408159136 424706128 561218812 641392928 714278488 849412256 982132921 1122437624 1428556976 1964265842 2244875248 2857113952 3928531684 4489750496 7857063368 15714126736 31428253472
• Sum of all divisors σ(n): 81371108385
• Sum of proper divisors (its aliquot sum) s(n): 49942854913
• 31428253472 is an abundant number, because the sum of its proper divisors (49942854913) is greater than itself. Its abundance is 18514601441

Bases of 31428253472

• Binary: 11101010001010001010001011100100000₂
• Hexadecimal: 0x751451720
• Base-36: EFRKJKW

Squares and roots of 31428253472

• 31428253472 squared (31428253472²) is 987735116300280054784
• 31428253472 cubed (31428253472³) is 31042789598280600426337598210048
• The square root of 31428253472 is 177280.1553248417
• The cube root of 31428253472 is 3155.7802148661

Scales and comparisons

• 31,428,253,472 seconds is equal to 999 years, 16 weeks, 4 days, 22 hours, 24 minutes, 32 seconds.
• To count from 1 to 31,428,253,472 would take you about one thousand, nine hundred ninety-eight 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 31428253472 cubic inches would be around 263 feet tall.

Recreational maths with 31428253472

• 31428253472 backwards is 27435282413
• The number of decimal digits it has is: 11
• The sum of 31428253472's digits is 41
• More coming soon!