28052856720

Names of 28052856720

• Cardinal: 28052856720 can be written as Twenty-eight billion, fifty-two million, eight hundred fifty-six thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.805285672 × 10¹⁰

Factors of 28052856720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 795166

Divisors of 28052856720

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 35 36 40 42 45 48 49 56 60 63 70 72 80 84 90 98 105 112 120 126 140 144 147 168 180 196 210 240 245 252 280 294 315 336 360 392 420 441 490 504 560 588 630 720 735 784 840 882 980 1008 1176 1260 1470 1680 1764 1960 2205 2352 2520 2940 3528 3920 4410 5040 5880 7056 8820 11760 17640 35280 795149 1590298 2385447 3180596 3975745 4770894 5566043 6361192 7156341 7951490 9541788 11132086 11927235 12722384 14312682 15902980 16698129 19083576 22264172 23854470 27830215 28625364 31805960 33396258 35781705 38167152 38962301 44528344 47708940 50094387 55660430 57250728 63611920 66792516 71563410 77924602 83490645 89056688 95417880 100188774 111320860 114501456 116886903 133585032 143126820 155849204 166981290 190835760 194811505 200377548 222641720 233773806 250471935 267170064 286253640 311698408 333962580 350660709 389623010 400755096 445283440 467547612 500943870 572507280 584434515 623396816 667925160 701321418 779246020 801510192 935095224 1001887740 1168869030 1335850320 1402642836 1558492040 1753303545 1870190448 2003775480 2337738060 2805285672 3116984080 3506607090 4007550960 4675476120 5610571344 7013214180 9350952240 14026428360 28052856720
• Sum of all divisors σ(n): 109592343900
• Sum of proper divisors (its aliquot sum) s(n): 81539487180
• 28052856720 is an abundant number, because the sum of its proper divisors (81539487180) is greater than itself. Its abundance is 53486630460

Bases of 28052856720

• Binary: 11010001000000101001001111110010000₂
• Hexadecimal: 0x688149F90
• Base-36: CVXY2S0

Squares and roots of 28052856720

• 28052856720 squared (28052856720²) is 786962770152849158400
• 28052856720 cubed (28052856720³) is 22076553835072169940367784448000
• The square root of 28052856720 is 167489.8704996813
• The cube root of 28052856720 is 3038.4985342819

Scales and comparisons

• 28,052,856,720 seconds is equal to 891 years, 51 weeks, 4 days, 20 hours, 12 minutes.
• To count from 1 to 28,052,856,720 would take you about one thousand, seven hundred eighty-three 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 28052856720 cubic inches would be around 253.2 feet tall.

Recreational maths with 28052856720

• 28052856720 backwards is 02765825082
• 28052856720 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28052856720's digits is 45
• More coming soon!