28931328120

Names of 28931328120

• Cardinal: 28931328120 can be written as Twenty-eight billion, nine hundred thirty-one million, three hundred twenty-eight thousand, one hundred twenty.

Scientific notation

• Scientific notation: 2.893132812 × 10¹⁰

Factors of 28931328120

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 22233

Divisors of 28931328120

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 19 20 24 30 38 40 57 60 76 95 114 120 152 190 228 285 380 456 570 587 760 1140 1174 1761 2280 2348 2935 3522 4696 5870 7044 8805 11153 11740 14088 17610 21617 22306 23480 33459 35220 43234 44612 55765 64851 66918 70440 86468 89224 108085 111530 129702 133836 167295 172936 216170 223060 259404 267672 324255 334590 410723 432340 446120 518808 648510 669180 821446 864680 1232169 1297020 1338360 1642892 2053615 2464338 2594040 3285784 4107230 4928676 6160845 8214460 9857352 12321690 12689179 16428920 24643380 25378358 38067537 49286760 50756716 63445895 76135074 101513432 126891790 152270148 190337685 241094401 253783580 304540296 380675370 482188802 507567160 723283203 761350740 964377604 1205472005 1446566406 1522701480 1928755208 2410944010 2893132812 3616416015 4821888020 5786265624 7232832030 9643776040 14465664060 28931328120
• Sum of all divisors σ(n): 91521964800
• Sum of proper divisors (its aliquot sum) s(n): 62590636680
• 28931328120 is an abundant number, because the sum of its proper divisors (62590636680) is greater than itself. Its abundance is 33659308560

Bases of 28931328120

• Binary: 11010111100011100010000100001111000₂
• Hexadecimal: 0x6BC710878
• Base-36: DAGYRNC

Squares and roots of 28931328120

• 28931328120 squared (28931328120²) is 837021746787102734400
• 28931328120 cubed (28931328120³) is 24216150799873224993075611328000
• The square root of 28931328120 is 170092.1165721681
• The cube root of 28931328120 is 3069.8898311289

Scales and comparisons

• 28,931,328,120 seconds is equal to 919 years, 48 weeks, 1 day, 8 hours, 2 minutes.
• To count from 1 to 28,931,328,120 would take you about one thousand, eight hundred thirty-nine 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 28931328120 cubic inches would be around 255.8 feet tall.

Recreational maths with 28931328120

• 28931328120 backwards is 02182313982
• The number of decimal digits it has is: 11
• The sum of 28931328120's digits is 39
• More coming soon!