21506460680000

Names of 21506460680000

• Cardinal: 21506460680000 can be written as Twenty-one trillion, five hundred six billion, four hundred sixty million, six hundred eighty thousand.

Scientific notation

• Scientific notation: 2.150646068 × 10¹³

Factors of 21506460680000

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 2297

Divisors of 21506460680000

• Number of divisors d(n): 210
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 160 200 250 320 400 500 557 625 800 1000 1114 1250 1600 1733 2000 2228 2500 2785 3466 4000 4456 5000 5570 6932 8000 8665 8912 10000 11140 13864 13925 17330 17824 20000 22280 27728 27850 34660 35648 40000 43325 44560 55456 55700 69320 69625 86650 89120 110912 111400 138640 139250 173300 178240 216625 222800 277280 278500 310249 346600 348125 433250 445600 554560 557000 620498 693200 696250 866500 891200 965281 1083125 1114000 1240996 1386400 1392500 1551245 1733000 1930562 2166250 2228000 2481992 2772800 2785000 3102490 3466000 3861124 4332500 4456000 4826405 4963984 5570000 6204980 6932000 7722248 7756225 8665000 9652810 9927968 11140000 12409960 13864000 15444496 15512450 17330000 19305620 19855936 22280000 24132025 24819920 30888992 31024900 34660000 38611240 38781125 48264050 49639840 61777984 62049800 69320000 77222480 77562250 96528100 99279680 120660125 124099600 154444960 155124500 193056200 193905625 241320250 248199200 308889920 310249000 386112400 387811250 482640500 496398400 537661517 603300625 620498000 772224800 775622500 965281000 1075323034 1206601250 1240996000 1544449600 1551245000 1930562000 2150646068 2413202500 2481992000 2688307585 3102490000 3861124000 4301292136 4826405000 5376615170 6204980000 7722248000 8602584272 9652810000 10753230340 12409960000 13441537925 17205168544 19305620000 21506460680 26883075850 34410337088 38611240000 43012921360 53766151700 67207689625 86025842720 107532303400 134415379250 172051685440 215064606800 268830758500 336038448125 430129213600 537661517000 672076896250 860258427200 1075323034000 1344153792500 2150646068000 2688307585000 4301292136000 5376615170000 10753230340000 21506460680000
• Sum of all divisors σ(n): 53455776118206
• Sum of proper divisors (its aliquot sum) s(n): 31949315438206
• 21506460680000 is an abundant number, because the sum of its proper divisors (31949315438206) is greater than itself. Its abundance is 10442854758206

Bases of 21506460680000

• Binary: 100111000111101011100111100101111111101000000₂
• Hexadecimal: 0x138F5CF2FF40
• Base-36: 7MFXJEPFK

Squares and roots of 21506460680000

• 21506460680000 squared (21506460680000²) is 462527850980386062400000000
• 21506460680000 cubed (21506460680000³) is 9947337040514572302225626432000000000000
• The square root of 21506460680000 is 4637505.8684598987
• The cube root of 21506460680000 is 27809.2738067867

Scales and comparisons

• 21,506,460,680,000 seconds is equal to 683,838 years, 48 weeks, 23 hours, 33 minutes, 20 seconds.
• To count from 1 to 21,506,460,680,000 would take you about one million, seven hundred nine thousand, five hundred ninety-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 21506460680000 cubic inches would be around 2317.4 feet tall.

Recreational maths with 21506460680000

• 21506460680000 backwards is 00008606460512
• The number of decimal digits it has is: 14
• The sum of 21506460680000's digits is 38
• More coming soon!