21680015728000
21,680,015,728,000 is an even composite number composed of four prime numbers multiplied together.
21680015728000 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 21680015728000:
27 × 53 × 7 × 139132
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 5 × 7 × 13913 × 13913)See below for interesting mathematical facts about the number 21680015728000 from the Numbermatics database.
Names of 21680015728000
- Cardinal: 21680015728000 can be written as Twenty-one trillion, six hundred eighty billion, fifteen million, seven hundred twenty-eight thousand.
Scientific notation
- Scientific notation: 2.1680015728 × 1013
Factors of 21680015728000
Divisors of 21680015728000
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 50 56 64 70 80 100 112 125 128 140 160 175 200 224 250 280 320 350 400 448 500 560 640 700 800 875 896 1000 1120 1400 1600 1750 2000 2240 2800 3200 3500 4000 4480 5600 7000 8000 11200 13913 14000 16000 22400 27826 28000 55652 56000 69565 97391 111304 112000 139130 194782 222608 278260 347825 389564 445216 486955 556520 695650 779128 890432 973910 1113040 1391300 1558256 1739125 1780864 1947820 2226080 2434775 2782600 3116512 3478250 3895640 4452160 4869550 5565200 6233024 6956500 7791280 8904320 9739100 11130400 12173875 12466048 13913000 15582560 19478200 22260800 24347750 27826000 31165120 38956400 44521600 48695500 55652000 62330240 77912800 97391000 111304000 155825600 193571569 194782000 222608000 311651200 387143138 389564000 774286276 779128000 967857845 1355000983 1548572552 1558256000 1935715690 2710001966 3097145104 3871431380 4839289225 5420003932 6194290208 6775004915 7742862760 9678578450 10840007864 12388580416 13550009830 15485725520 19357156900 21680015728 24196446125 24777160832 27100019660 30971451040 33875024575 38714313800 43360031456 48392892250 54200039320 61942902080 67750049150 77428627600 86720062912 96785784500 108400078640 123885804160 135500098300 154857255200 169375122875 173440125824 193571569000 216800157280 271000196600 309714510400 338750245750 387143138000 433600314560 542000393200 619429020800 677500491500 774286276000 867200629120 1084000786400 1355000983000 1548572552000 2168001572800 2710001966000 3097145104000 4336003145600 5420003932000 10840007864000 21680015728000
- Sum of all divisors σ(n): 61606644109920
- Sum of proper divisors (its aliquot sum) s(n): 39926628381920
- 21680015728000 is an abundant number, because the sum of its proper divisors (39926628381920) is greater than itself. Its abundance is 18246612653920
Bases of 21680015728000
- Binary: 1001110110111110001011010001011011101100000002
- Hexadecimal: 0x13B7C5A2DD80
- Base-36: 7ONNTLPJ4
Squares and roots of 21680015728000
- 21680015728000 squared (216800157280002) is 470023081966327369984000000
- 21680015728000 cubed (216800157280003) is 10190107809553010547649995108352000000000
-
The
square root of 21680015728000 is 4656180.3796674373 -
The
cube root of 21680015728000 is 27883.8795241115
Scales and comparisons
How big is 21680015728000?- 21,680,015,728,000 seconds is equal to 689,357 years, 22 weeks, 5 days, 23 hours, 6 minutes, 40 seconds.
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To count from 1 to 21,680,015,728,000 would take you about one million, seven hundred twenty-three thousand, three hundred ninety-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 21680015728000 cubic inches would be around 2323.7 feet tall.
Recreational maths with 21680015728000
- 21680015728000 backwards is 00082751008612
- 21680015728000 is a
Harshad number . - The number of decimal digits it has is: 14
- The sum of 21680015728000's digits is 40
- More coming soon!
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