20198779927920

Names of 20198779927920

• Cardinal: 20198779927920 can be written as Twenty trillion, one hundred ninety-eight billion, seven hundred seventy-nine million, nine hundred twenty-seven thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.019877992792 × 10¹³

Factors of 20198779927920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 4612

Divisors of 20198779927920

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 30 33 36 40 44 45 48 55 60 66 72 80 88 90 99 110 120 121 132 144 165 176 180 198 220 240 242 264 330 360 363 396 440 484 495 528 605 660 720 726 792 880 968 990 1089 1210 1320 1331 1452 1584 1815 1936 1980 2178 2420 2640 2662 2904 3630 3960 3993 4356 4591 4840 5324 5445 5808 6655 7260 7920 7986 8712 9182 9680 10648 10890 11979 13310 13773 14520 15972 17424 18364 19965 21296 21780 22955 23958 26620 27546 29040 31944 36728 39930 41319 43560 45910 47916 50501 53240 55092 59895 63888 68865 73456 79860 82638 87120 91820 95832 101002 106480 110184 119790 137730 151503 159720 165276 183640 191664 202004 206595 220368 239580 252505 275460 303006 319440 330552 367280 404008 413190 454509 479160 505010 550920 555511 606012 661104 757515 808016 826380 909018 958320 1010020 1101840 1111022 1212024 1515030 1652760 1666533 1818036 2020040 2222044 2272545 2424048 2777555 3030060 3305520 3333066 3636072 4040080 4444088 4545090 4999599 5555110 6060120 6110621 6666132 7272144 8332665 8888176 9090180 9999198 11110220 12120240 12221242 13332264 16665330 18180360 18331863 19998396 21077281 22220440 24442484 24997995 26664528 30553105 33330660 36360720 36663726 39996792 42154562 44440880 48884968 49995990 54995589 61106210 63231843 66661320 73327452 79993584 84309124 91659315 97769936 99991980 105386405 109991178 122212420 126463686 133322640 146654904 168618248 183318630 189695529 199983960 210772810 219982356 231850091 244424840 252927372 274977945 293309808 316159215 337236496 366637260 379391058 399967920 421545620 439964712 463700182 488849680 505854744 549955890 632318430 695550273 733274520 758782116 843091240 879929424 927400364 948477645 1011709488 1099911780 1159250455 1264636860 1391100546 1466549040 1517564232 1686182480 1854800728 1896955290 2086650819 2199823560 2318500910 2529273720 2550351001 2782201092 3035128464 3477751365 3709601456 3793910580 4173301638 4399647120 4637001820 5058547440 5100702002 5564402184 6955502730 7587821160 7651053003 8346603276 9274003640 10201404004 10433254095 11128804368 12751755005 13911005460 15175642320 15302106006 16693206552 18548007280 20402808008 20866508190 22953159009 25503510010 27822010920 28053861011 30604212012 33386413104 38255265015 40805616016 41733016380 45906318018 51007020020 55644021840 56107722022 61208424024 76510530030 83466032760 84161583033 91812636036 102014040040 112215444044 114765795045 122416848048 140269305055 153021060060 166932065520 168323166066 183625272072 204028080080 224430888088 229531590090 252484749099 280538610110 306042120120 336646332132 367250544144 420807915165 448861776176 459063180180 504969498198 561077220220 612084240240 673292664264 841615830330 918126360360 1009938996396 1122154440440 1262423745495 1346585328528 1683231660660 1836252720720 2019877992792 2244308880880 2524847490990 3366463321320 4039755985584 5049694981980 6732926642640 10099389963960 20198779927920
• Sum of all divisors σ(n): 74628818490096
• Sum of proper divisors (its aliquot sum) s(n): 54430038562176
• 20198779927920 is an abundant number, because the sum of its proper divisors (54430038562176) is greater than itself. Its abundance is 34231258634256

Bases of 20198779927920

• Binary: 100100101111011100101000110100011110101110000₂
• Hexadecimal: 0x125EE51A3D70
• Base-36: 75R6W1VG0

Squares and roots of 20198779927920

• 20198779927920 squared (20198779927920²) is 407990710576543880395526400
• 20198779927920 cubed (20198779927920³) is 8240914575571312582098267838882457088000
• The square root of 20198779927920 is 4494305.2775618169
• The cube root of 20198779927920 is 27233.8084898245

Scales and comparisons

• 20,198,779,927,920 seconds is equal to 642,258 years, 37 weeks, 4 days, 2 hours, 12 minutes.
• To count from 1 to 20,198,779,927,920 would take you about one million, six hundred five thousand, six hundred forty-six 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 20198779927920 cubic inches would be around 2269.5 feet tall.

Recreational maths with 20198779927920

• 20198779927920 backwards is 02972997789102
• 20198779927920 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 20198779927920's digits is 72
• More coming soon!