28309495680

Names of 28309495680

• Cardinal: 28309495680 can be written as Twenty-eight billion, three hundred nine million, four hundred ninety-five thousand, six hundred eighty.

Scientific notation

• Scientific notation: 2.830949568 × 10¹⁰

Factors of 28309495680

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 2692

Divisors of 28309495680

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 90 96 108 120 128 135 144 160 180 192 216 240 270 288 320 360 384 432 480 540 576 640 720 864 941 960 1080 1152 1440 1728 1741 1882 1920 2160 2823 2880 3456 3482 3764 4320 4705 5223 5646 5760 6964 7528 8469 8640 8705 9410 10446 11292 13928 14115 15056 15669 16938 17280 17410 18820 20892 22584 25407 26115 27856 28230 30112 31338 33876 34820 37640 41784 42345 45168 47007 50814 52230 55712 56460 60224 62676 67752 69640 75280 78345 83568 84690 90336 94014 101628 104460 111424 112920 120448 125352 127035 135504 139280 150560 156690 167136 169380 180672 188028 203256 208920 222848 225840 235035 250704 254070 271008 278560 301120 313380 334272 338760 361344 376056 406512 417840 451680 470070 501408 508140 542016 557120 602240 626760 668544 677520 752112 813024 835680 903360 940140 1002816 1016280 1084032 1114240 1253520 1355040 1504224 1626048 1638281 1671360 1806720 1880280 2005632 2032560 2507040 2710080 3008448 3252096 3276562 3342720 3760560 4065120 4914843 5014080 5420160 6016896 6553124 7521120 8130240 8191405 9829686 10028160 13106248 14744529 15042240 16260480 16382810 19659372 24574215 26212496 29489058 30084480 32765620 39318744 44233587 49148430 52424992 58978116 65531240 73722645 78637488 88467174 98296860 104849984 117956232 131062480 147445290 157274976 176934348 196593720 209699968 221167935 235912464 262124960 294890580 314549952 353868696 393187440 442335870 471824928 524249920 589781160 629099904 707737392 786374880 884671740 943649856 1048499840 1179562320 1415474784 1572749760 1769343480 1887299712 2359124640 2830949568 3145499520 3538686960 4718249280 5661899136 7077373920 9436498560 14154747840 28309495680
• Sum of all divisors σ(n): 100426996800
• Sum of proper divisors (its aliquot sum) s(n): 72117501120
• 28309495680 is an abundant number, because the sum of its proper divisors (72117501120) is greater than itself. Its abundance is 43808005440

Bases of 28309495680

• Binary: 11010010111011000001001111110000000₂
• Hexadecimal: 0x697609F80
• Base-36: D06QQO0

Squares and roots of 28309495680

• 28309495680 squared (28309495680²) is 801427545655938662400
• 28309495680 cubed (28309495680³) is 22688009641579798329557778432000
• The square root of 28309495680 is 168254.2590248461
• The cube root of 28309495680 is 3047.7362286465

Scales and comparisons

• 28,309,495,680 seconds is equal to 900 years, 8 weeks, 4 hours, 48 minutes.
• To count from 1 to 28,309,495,680 would take you about one thousand, eight hundred 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 28309495680 cubic inches would be around 254 feet tall.

Recreational maths with 28309495680

• 28309495680 backwards is 08659490382
• 28309495680 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28309495680's digits is 54
• More coming soon!