28027879641720

Names of 28027879641720

• Cardinal: 28027879641720 can be written as Twenty-eight trillion, twenty-seven billion, eight hundred seventy-nine million, six hundred forty-one thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.802787964172 × 10¹³

Factors of 28027879641720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 5229769

Divisors of 28027879641720

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 27 28 30 35 36 40 42 45 54 56 60 63 70 72 84 90 105 108 120 126 135 140 168 180 189 210 216 252 270 280 315 360 378 420 504 540 630 709 756 840 945 1080 1260 1418 1512 1890 2127 2520 2836 3545 3780 4254 4963 5672 6381 7090 7560 8508 9926 10635 12762 14180 14889 17016 19143 19852 21270 24815 25524 28360 29778 31905 38286 39704 42540 44667 49630 51048 59556 63810 74445 76572 85080 89334 95715 99260 119112 127620 134001 148890 153144 178668 191430 198520 223335 255240 268002 297780 357336 382860 446670 536004 595560 670005 765720 893340 1072008 1340010 1786680 2680020 5229043 5360040 10458086 15687129 20916172 26145215 31374258 36603301 41832344 47061387 52290430 62748516 73206602 78435645 94122774 104580860 109809903 125497032 141184161 146413204 156871290 183016505 188245548 209161720 219619806 235306935 282368322 292826408 313742580 329429709 366033010 376491096 439239612 470613870 549049515 564736644 627485160 658859418 705920805 732066020 878479224 941227740 988289127 1098099030 1129473288 1317718836 1411841610 1464132040 1647148545 1882455480 1976578254 2196198060 2635437672 2823683220 3294297090 3707391487 3953156508 4392396120 4941445635 5647366440 6588594180 7414782974 7906313016 9882891270 11122174461 13177188360 14829565948 18536957435 19765782540 22244348922 25951740409 29659131896 33366523383 37073914870 39531565080 44488697844 51903480818 55610872305 66733046766 74147829740 77855221227 88977395688 100099570149 103806961636 111221744610 129758702045 133466093532 148295659480 155710442454 166832616915 200199140298 207613923272 222443489220 233565663681 259517404090 266932187064 311420884908 333665233830 389276106135 400398280596 444886978440 467131327362 500497850745 519034808180 622841769816 667330467660 700696991043 778552212270 800796561192 934262654724 1000995701490 1038069616360 1167828318405 1334660935320 1401393982086 1557104424540 1868525309448 2001991402980 2335656636810 2802787964172 3114208849080 3503484955215 4003982805960 4671313273620 5605575928344 7006969910430 9342626547240 14013939820860 28027879641720
• Sum of all divisors σ(n): 106923491712000
• Sum of proper divisors (its aliquot sum) s(n): 78895612070280
• 28027879641720 is an abundant number, because the sum of its proper divisors (78895612070280) is greater than itself. Its abundance is 50867732428560

Bases of 28027879641720

• Binary: 110010111110110111111110011110101001001111000₂
• Hexadecimal: 0x197DBFCF5278
• Base-36: 9XNTVVOU0

Squares and roots of 28027879641720

• 28027879641720 squared (28027879641720²) is 785562037210742435564558400
• 28027879641720 cubed (28027879641720³) is 22017638230047057003046375274122016448000
• The square root of 28027879641720 is 5294136.3452143921
• The cube root of 28027879641720 is 30375.9648294413

Scales and comparisons

• 28,027,879,641,720 seconds is equal to 891,199 years, 45 weeks, 4 days, 2 hours, 42 minutes.
• To count from 1 to 28,027,879,641,720 would take you about two million, two hundred twenty-seven thousand, nine hundred ninety-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 28027879641720 cubic inches would be around 2531.3 feet tall.

Recreational maths with 28027879641720

• 28027879641720 backwards is 02714697872082
• 28027879641720 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 28027879641720's digits is 63
• More coming soon!