28397238272

Names of 28397238272

• Cardinal: 28397238272 can be written as Twenty-eight billion, three hundred ninety-seven million, two hundred thirty-eight thousand, two hundred seventy-two.

Scientific notation

• Scientific notation: 2.8397238272 × 10¹⁰

Factors of 28397238272

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 876

Divisors of 28397238272

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 8 13 16 19 26 32 38 52 64 73 76 104 128 146 152 208 247 256 292 304 416 494 512 584 608 769 832 949 988 1024 1168 1216 1387 1538 1664 1898 1976 2048 2336 2432 2774 3076 3328 3796 3952 4672 4864 5548 6152 6656 7592 7904 9344 9728 9997 11096 12304 13312 14611 15184 15808 18031 18688 19456 19994 22192 24608 26624 29222 30368 31616 36062 37376 38912 39988 44384 49216 56137 58444 60736 63232 72124 74752 79976 88768 98432 112274 116888 121472 126464 144248 149504 159952 177536 189943 196864 224548 233776 242944 252928 288496 319904 355072 379886 393728 449096 467552 485888 505856 576992 639808 710144 729781 759772 787456 898192 935104 971776 1066603 1153984 1279616 1420288 1459562 1519544 1574912 1796384 1870208 1943552 2133206 2307968 2559232 2840576 2919124 3039088 3592768 3740416 4266412 4615936 5118464 5838248 6078176 7185536 7480832 8532824 9231872 10236928 11676496 12156352 13865839 14371072 14961664 17065648 18463744 20473856 23352992 24312704 27731678 28742144 29923328 34131296 36927488 46705984 48625408 55463356 57484288 68262592 93411968 97250816 110926712 114968576 136525184 186823936 194501632 221853424 273050368 373647872 389003264 443706848 546100736 747295744 887413696 1092201472 1494591488 1774827392 2184402944 3549654784 7099309568 14198619136 28397238272
• Sum of all divisors σ(n): 65333268000
• Sum of proper divisors (its aliquot sum) s(n): 36936029728
• 28397238272 is an abundant number, because the sum of its proper divisors (36936029728) is greater than itself. Its abundance is 8538791456

Bases of 28397238272

• Binary: 11010011100100110110111100000000000₂
• Hexadecimal: 0x69C9B7800
• Base-36: D1MZDA8

Squares and roots of 28397238272

• 28397238272 squared (28397238272²) is 806403141476741545984
• 28397238272 cubed (28397238272³) is 22899622151804355627469292699648
• The square root of 28397238272 is 168514.8013439769
• The cube root of 28397238272 is 3050.8817041327

Scales and comparisons

• 28,397,238,272 seconds is equal to 902 years, 49 weeks, 17 hours, 44 minutes, 32 seconds.
• To count from 1 to 28,397,238,272 would take you about one thousand, eight hundred five 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 28397238272 cubic inches would be around 254.2 feet tall.

Recreational maths with 28397238272

• 28397238272 backwards is 27283279382
• The number of decimal digits it has is: 11
• The sum of 28397238272's digits is 53
• More coming soon!