21688121216
21,688,121,216 is an even composite number composed of six prime numbers multiplied together.
21688121216 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 21688121216:
27 × 19 × 23 × 43 × 71 × 127
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 19 × 23 × 43 × 71 × 127)See below for interesting mathematical facts about the number 21688121216 from the Numbermatics database.
Names of 21688121216
- Cardinal: 21688121216 can be written as Twenty-one billion, six hundred eighty-eight million, one hundred twenty-one thousand, two hundred sixteen.
Scientific notation
- Scientific notation: 2.1688121216 × 1010
Factors of 21688121216
Divisors of 21688121216
- Number of divisors d(n): 256
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Complete list of divisors:
1 2 4 8 16 19 23 32 38 43 46 64 71 76 86 92 127 128 142 152 172 184 254 284 304 344 368 437 508 568 608 688 736 817 874 989 1016 1136 1216 1349 1376 1472 1633 1634 1748 1978 2032 2272 2413 2432 2698 2752 2921 2944 3053 3266 3268 3496 3956 4064 4544 4826 5396 5461 5504 5842 6106 6532 6536 6992 7912 8128 9017 9088 9652 10792 10922 11684 12212 13064 13072 13984 15824 16256 18034 18791 19304 21584 21844 23368 24424 26128 26144 27968 31027 31648 36068 37582 38608 43168 43688 46736 48848 52256 52288 55499 55936 58007 62054 63296 70219 72136 75164 77216 86336 87376 93472 97696 103759 104512 104576 110998 116014 124108 125603 126592 140438 144272 150328 154432 171323 172672 174752 186944 195392 207391 207518 209024 221996 232028 248216 251206 280876 288544 300656 308864 342646 349504 373888 387731 390784 414782 415036 443992 464056 496432 502412 561752 577088 601312 685292 699008 775462 829564 830072 887984 928112 992864 1004824 1123504 1154176 1202624 1334161 1370584 1550924 1659128 1660144 1775968 1856224 1985728 2009648 2247008 2386457 2405248 2668322 2741168 3101848 3318256 3320288 3551936 3712448 3940429 3971456 4019296 4494016 4772914 5336644 5482336 6203696 6636512 6640576 7103872 7366889 7424896 7880858 8038592 8917813 8988032 9545828 10673288 10964672 12407392 13273024 13281152 14733778 15761716 16077184 17835626 19091656 21346576 21929344 24814784 26546048 29467556 31523432 35671252 38183312 42693152 49629568 58935112 63046864 71342504 76366624 85386304 117870224 126093728 142685008 152733248 169438447 170772608 235740448 252187456 285370016 305466496 338876894 471480896 504374912 570740032 677753788 942961792 1141480064 1355507576 2711015152 5422030304 10844060608 21688121216
- Sum of all divisors σ(n): 49633689600
- Sum of proper divisors (its aliquot sum) s(n): 27945568384
- 21688121216 is an abundant number, because the sum of its proper divisors (27945568384) is greater than itself. Its abundance is 6257447168
Bases of 21688121216
- Binary: 101000011001011011001110111100000002
- Hexadecimal: 0x50CB67780
- Base-36: 9YOJPFK
Squares and roots of 21688121216
- 21688121216 squared (216881212162) is 470374601879909318656
- 21688121216 cubed (216881212163) is 10201541382499214778099298205696
-
The
square root of 21688121216 is 147268.8738871863 -
The
cube root of 21688121216 is 2788.7354064801
Scales and comparisons
How big is 21688121216?- 21,688,121,216 seconds is equal to 689 years, 31 weeks, 6 days, 22 hours, 6 minutes, 56 seconds.
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To count from 1 to 21,688,121,216 would take you about one thousand, three hundred seventy-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 21688121216 cubic inches would be around 232.4 feet tall.
Recreational maths with 21688121216
- 21688121216 backwards is 61212188612
- 21688121216 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21688121216's digits is 38
- More coming soon!
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The information we have on file for 21688121216 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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