28856736672920

Names of 28856736672920

• Cardinal: 28856736672920 can be written as Twenty-eight trillion, eight hundred fifty-six billion, seven hundred thirty-six million, six hundred seventy-two thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.885673667292 × 10¹³

Factors of 28856736672920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 134463

Divisors of 28856736672920

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 8 10 13 20 26 31 40 52 62 65 104 124 130 155 248 260 310 403 431 520 620 806 862 961 1240 1612 1724 1922 2015 2155 3224 3448 3844 4030 4310 4805 5603 7688 8060 8620 9610 11206 12493 13361 16120 17240 19220 22412 24986 26722 28015 38440 44824 49972 53444 56030 62465 66805 99944 106888 112060 124930 133610 133981 173693 224120 249860 267220 267962 347386 414191 499720 534440 535924 669905 694772 828382 868465 1071848 1339810 1389544 1656764 1736930 1741753 2070955 2679620 3313528 3473860 3483506 4141910 4153411 5359240 5384483 6947720 6967012 8283820 8306822 8708765 10768966 13934024 16567640 16613644 17417530 20767055 21537932 26922415 33227288 34835060 41534110 43075864 53844830 53994343 57745811 69670120 83068220 107689660 107988686 115491622 128755741 166136440 215379320 215977372 230983244 257511482 269971715 288729055 431954744 461966488 515022964 539943430 577458110 643778705 750695543 1030045928 1079886860 1154916220 1287557410 1501391086 1673824633 1790120141 2159773720 2309832440 2575114820 3002782172 3347649266 3580240282 3753477715 5150229640 6005564344 6695298532 7160480564 7506955430 8369123165 8950600705 13390597064 14320961128 15013910860 16738246330 17901201410 23271561833 30027821720 33476492660 35802402820 46543123666 55493724371 66952985320 71604805640 93086247332 110987448742 116357809165 186172494664 221974897484 232715618330 277468621855 443949794968 465431236660 554937243710 721418416823 930862473320 1109874487420 1442836833646 2219748974840 2885673667292 3607092084115 5771347334584 7214184168230 14428368336460 28856736672920
• Sum of all divisors σ(n): 72418578664320
• Sum of proper divisors (its aliquot sum) s(n): 43561841991400
• 28856736672920 is an abundant number, because the sum of its proper divisors (43561841991400) is greater than itself. Its abundance is 14705105318480

Bases of 28856736672920

• Binary: 110100011111010111011100010011110110010011000₂
• Hexadecimal: 0x1A3EBB89EC98
• Base-36: A88LNYF88

Squares and roots of 28856736672920

• 28856736672920 squared (28856736672920²) is 832711251410246031061326400
• 28856736672920 cubed (28856736672920³) is 24029329306523152712367254956418161088000
• The square root of 28856736672920 is 5371846.6725065787
• The cube root of 28856736672920 is 30672.4927253885

Scales and comparisons

• 28,856,736,672,920 seconds is equal to 917,554 years, 50 weeks, 1 day, 18 hours, 55 minutes, 20 seconds.
• To count from 1 to 28,856,736,672,920 would take you about two million, two hundred ninety-three thousand, eight hundred eighty-seven 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 28856736672920 cubic inches would be around 2556 feet tall.

Recreational maths with 28856736672920

• 28856736672920 backwards is 02927663765882
• The number of decimal digits it has is: 14
• The sum of 28856736672920's digits is 71
• More coming soon!