21207769213680

Names of 21207769213680

• Cardinal: 21207769213680 can be written as Twenty-one trillion, two hundred seven billion, seven hundred sixty-nine million, two hundred thirteen thousand, six hundred eighty.

Scientific notation

• Scientific notation: 2.120776921368 × 10¹³

Factors of 21207769213680

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 207271

Divisors of 21207769213680

• Number of divisors d(n): 400
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 30 35 36 40 42 45 48 54 56 60 63 70 72 80 81 84 90 105 108 112 120 126 135 140 144 162 168 180 189 210 216 240 252 270 280 315 324 336 360 378 405 420 432 504 540 560 567 630 648 720 756 810 840 945 1008 1080 1134 1260 1296 1512 1620 1680 1890 2160 2268 2281 2520 2835 3024 3240 3780 4536 4562 5040 5670 6480 6843 7560 9072 9124 11340 11405 13686 15120 15967 18248 20529 22680 22810 27372 31934 34215 36496 41058 45360 45620 47901 54744 61587 63868 68430 79835 82116 91240 95802 102645 109488 123174 127736 136860 143703 159670 164232 182480 184761 191604 204973 205290 239505 246348 255472 273720 287406 307935 319340 328464 369522 383208 409946 410580 431109 479010 492696 547440 574812 614919 615870 638680 718515 739044 766416 819892 821160 862218 923805 958020 985392 1024865 1149624 1229838 1231740 1277360 1293327 1434811 1437030 1478088 1639784 1642320 1724436 1844757 1847610 1916040 2049730 2155545 2299248 2459676 2463480 2586654 2869622 2874060 2956176 3074595 3279568 3448872 3689514 3695220 3832080 4099460 4304433 4311090 4919352 4926960 5173308 5534271 5739244 5748120 6149190 6466635 6897744 7174055 7379028 7390440 8198920 8608866 8622180 9223785 9838704 10346616 11068542 11478488 11496240 12298380 12913299 12933270 14348110 14758056 14780880 16397840 16602813 17217732 17244360 18447570 20693232 21522165 22137084 22956976 24596760 25826598 25866540 27671355 28696220 29516112 33205626 34435464 34488720 36895140 38739897 43044330 44274168 49193520 51653196 51733080 55342710 57392440 64566495 66411252 68870928 73790280 77479794 83014065 86088660 88548336 103306392 103466160 110685420 114784880 116219691 129132990 132822504 147580560 154959588 166028130 172177320 193699485 206612784 221370840 232439382 258265980 265645008 309919176 332056260 344354640 387398970 442741680 464878764 467543413 516531960 581098455 619838352 664112520 774797940 929757528 935086826 1033063920 1162196910 1328225040 1402630239 1549595880 1859515056 1870173652 2324393820 2337717065 2805260478 3099191760 3272803891 3740347304 4207890717 4648787640 4675434130 5610520956 6545607782 7013151195 7480694608 8415781434 9297575280 9350868260 9818411673 11221041912 12623672151 13091215564 14026302390 16364019455 16831562868 18701736520 19636823346 21039453585 22442083824 25247344302 26182431128 28052604780 29455235019 32728038910 33663125736 37403473040 37871016453 39273646692 42078907170 49092058365 50494688604 52364862256 56105209560 58910470038 63118360755 65456077820 67326251472 75742032906 78547293384 84157814340 88365705057 98184116730 100989377208 112210419120 117820940076 126236721510 130912155640 147276175095 151484065812 157094586768 168315628680 176731410114 189355082265 196368233460 201978754416 235641880152 252473443020 261824311280 265097115171 294552350190 302968131624 336631257360 353462820228 378710164530 392736466920 441828525285 471283760304 504946886040 530194230342 589104700380 605936263248 706925640456 757420329060 785472933840 883657050570 1009893772080 1060388460684 1178209400760 1325485575855 1413851280912 1514840658120 1767314101140 2120776921368 2356418801520 2650971151710 3029681316240 3534628202280 4241553842736 5301942303420 7069256404560 10603884606840 21207769213680
• Sum of all divisors σ(n): 84217572272064
• Sum of proper divisors (its aliquot sum) s(n): 63009803058384
• 21207769213680 is an abundant number, because the sum of its proper divisors (63009803058384) is greater than itself. Its abundance is 41802033844704

Bases of 21207769213680

• Binary: 100110100100111010001100011001110101011110000₂
• Hexadecimal: 0x1349D18CEAF0
• Base-36: 7IMPQ7Z00

Squares and roots of 21207769213680

• 21207769213680 squared (21207769213680²) is 449769475020713205499142400
• 21207769213680 cubed (21207769213680³) is 9538607225597297299901339468362348032000
• The square root of 21207769213680 is 4605189.3786987741
• The cube root of 21207769213680 is 27679.9305566925

Scales and comparisons

• 21,207,769,213,680 seconds is equal to 674,341 years, 23 weeks, 6 days, 19 hours, 48 minutes.
• To count from 1 to 21,207,769,213,680 would take you about one million, six hundred eighty-five thousand, eight hundred fifty-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 21207769213680 cubic inches would be around 2306.7 feet tall.

Recreational maths with 21207769213680

• 21207769213680 backwards is 08631296770212
• 21207769213680 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21207769213680's digits is 54
• More coming soon!