21007423612862421
21,007,423,612,862,421 is an odd composite number composed of seven prime numbers multiplied together.
21007423612862421 is an odd composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 21007423612862421:
3 × 7 × 17 × 43 × 2143 × 3499 × 182503
See below for interesting mathematical facts about the number 21007423612862421 from the Numbermatics database.
Names of 21007423612862421
- Cardinal: 21007423612862421 can be written as Twenty-one quadrillion, seven trillion, four hundred twenty-three billion, six hundred twelve million, eight hundred sixty-two thousand, four hundred twenty-one.
Scientific notation
- Scientific notation: 2.1007423612862421 × 1016
Factors of 21007423612862421
Divisors of 21007423612862421
- Number of divisors d(n): 128
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Complete list of divisors:
1 3 7 17 21 43 51 119 129 301 357 731 903 2143 2193 3499 5117 6429 10497 15001 15351 24493 36431 45003 59483 73479 92149 109293 150457 178449 182503 255017 276447 416381 451371 547509 645043 765051 1053199 1249143 1277521 1566533 1935129 2557769 3102551 3159597 3832563 4699599 7498357 7673307 7847629 9307653 10965731 17904383 21717857 22495071 23542887 32897193 52488499 53713149 54933403 65153571 127472069 133409693 157465497 164800209 322429351 382416207 391103929 400229079 638577997 892304483 933867851 967288053 1173311787 1915733991 2257005457 2676913449 2737727503 2801603553 4470045979 5481298967 6648766793 6771016371 8213182509 10855825949 13410137937 16443896901 16817468947 19946300379 27458853871 32567477847 38369092769 46541367551 50452406841 75990781643 82376561613 115107278307 117722282629 139624102653 192211977097 227972344929 285896972099 353166847887 466800515807 576635931291 857690916297 1368472647571 1400401547421 2001278804693 3267603610649 4105417942713 6003836414079 9579308532997 9802810831947 23264035008707 28737925598991 58844323845553 69792105026121 162848245060949 176532971536659 411910266918871 488544735182847 1000353505374401 1235730800756613 3001060516123203 7002474537620807 21007423612862421
- Sum of all divisors σ(n): 34708861845504000
- Sum of proper divisors (its aliquot sum) s(n): 13701438232641579
- 21007423612862421 is a deficient number, because the sum of its proper divisors (13701438232641579) is less than itself. Its deficiency is 7305985380220842
Bases of 21007423612862421
- Binary: 10010101010001000100011111101100001011100111111110101012
- Hexadecimal: 0x4AA223F6173FD5
- Base-36: 5QUID6FHS5X
Squares and roots of 21007423612862421
- 21007423612862421 squared (210074236128624212) is 441311846850249613102513073981241
- 21007423612862421 cubed (210074236128624213) is 9270824912157858154656036848473707456238467844461
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The
square root of 21007423612862421 is 144939379.0964430101 -
The
cube root of 21007423612862421 is 275924.9236255297
Scales and comparisons
How big is 21007423612862421?- 21,007,423,612,862,421 seconds is equal to 667,971,090 years, 34 weeks, 2 days, 17 hours, 20 minutes, 21 seconds.
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To count from 1 to 21,007,423,612,862,421 would take you about two billion, three million, nine hundred thirteen thousand, two hundred seventy-one 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 21007423612862421 cubic inches would be around 22993.7 feet tall.
Recreational maths with 21007423612862421
- 21007423612862421 backwards is 12426821632470012
- 21007423612862421 is a
Harshad number . - The number of decimal digits it has is: 17
- The sum of 21007423612862421's digits is 51
- More coming soon!
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The information we have on file for 21007423612862421 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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