28797889728

Names of 28797889728

• Cardinal: 28797889728 can be written as Twenty-eight billion, seven hundred ninety-seven million, eight hundred eighty-nine thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 2.8797889728 × 10¹⁰

Factors of 28797889728

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 373

Divisors of 28797889728

• Number of divisors d(n): 126
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 37 48 64 74 96 111 148 192 222 296 331 444 592 662 888 993 1184 1324 1369 1776 1986 2368 2648 2738 3552 3972 4107 5296 5476 7104 7944 8214 10592 10952 12247 15888 16428 21184 21904 24494 31776 32856 36741 43808 48988 63552 65712 73482 87616 97976 109561 131424 146964 195952 219122 262848 293928 328683 391904 438244 453139 587856 657366 783808 876488 906278 1175712 1314732 1359417 1752976 1812556 2351424 2629464 2718834 3505952 3625112 4053757 5258928 5437668 7011904 7250224 8107514 10517856 10875336 12161271 14500448 16215028 21035712 21750672 24322542 29000896 32430056 43501344 48645084 64860112 87002688 97290168 129720224 149989009 194580336 259440448 299978018 389160672 449967027 599956036 778321344 899934054 1199912072 1799868108 2399824144 3599736216 4799648288 7199472432 9599296576 14398944864 28797889728
• Sum of all divisors σ(n): 78546681108
• Sum of proper divisors (its aliquot sum) s(n): 49748791380
• 28797889728 is an abundant number, because the sum of its proper divisors (49748791380) is greater than itself. Its abundance is 20950901652

Bases of 28797889728

• Binary: 11010110100011111001110110011000000₂
• Hexadecimal: 0x6B47CECC0
• Base-36: D89IPXC

Squares and roots of 28797889728

• 28797889728 squared (28797889728²) is 829318452786047913984
• 28797889728 cubed (28797889728³) is 23882621352728182203835661156352
• The square root of 28797889728 is 169699.4099223683
• The cube root of 28797889728 is 3065.1628610169

Scales and comparisons

• 28,797,889,728 seconds is equal to 915 years, 35 weeks, 3 days, 21 hours, 48 minutes, 48 seconds.
• To count from 1 to 28,797,889,728 would take you about one thousand, eight hundred thirty-one 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 28797889728 cubic inches would be around 255.4 feet tall.

Recreational maths with 28797889728

• 28797889728 backwards is 82798879782
• The number of decimal digits it has is: 11
• The sum of 28797889728's digits is 75
• More coming soon!