21031831002
21,031,831,002 is an even composite number composed of eight prime numbers multiplied together.
21031831002 is an even composite number. It is composed of eight distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 21031831002:
2 × 3 × 7 × 13 × 47 × 73 × 103 × 109
See below for interesting mathematical facts about the number 21031831002 from the Numbermatics database.
Names of 21031831002
- Cardinal: 21031831002 can be written as Twenty-one billion, thirty-one million, eight hundred thirty-one thousand and two.
Scientific notation
- Scientific notation: 2.1031831002 × 1010
Factors of 21031831002
Divisors of 21031831002
- Number of divisors d(n): 256
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Complete list of divisors:
1 2 3 6 7 13 14 21 26 39 42 47 73 78 91 94 103 109 141 146 182 206 218 219 273 282 309 327 329 438 511 546 611 618 654 658 721 763 949 987 1022 1222 1339 1417 1442 1526 1533 1833 1898 1974 2163 2289 2678 2834 2847 3066 3431 3666 4017 4251 4277 4326 4578 4841 5123 5694 6643 6862 7519 7957 8034 8502 8554 9373 9682 9919 10246 10293 11227 12831 13286 14523 15038 15369 15914 18746 19838 19929 20586 22454 22557 23871 24017 25662 28119 29046 29757 30738 33681 33887 35861 39858 44603 45114 47742 48034 52633 55699 56238 59514 62933 66599 67362 67774 71722 72051 78589 89206 97747 101661 103441 105266 107583 111398 125866 133198 133809 144102 145951 157178 157899 167097 188799 195494 199797 203322 206882 215166 235767 267618 291902 293241 310323 312221 315798 334194 353393 373979 377598 399594 437853 440531 466193 471534 527669 586482 620646 624442 684229 706786 724087 747958 819571 875706 881062 932386 936663 1021657 1055338 1060179 1121937 1321593 1368458 1398579 1448174 1583007 1639142 1873326 2043314 2052687 2120358 2172261 2243874 2458713 2473751 2617853 2643186 2797158 3064971 3166014 3693683 4105374 4344522 4594109 4861727 4917426 4947502 5235706 5736997 6129942 6859697 7387366 7421253 7853559 9188218 9723454 10654423 11081049 11473994 13719394 13782327 14585181 14842506 15707118 17210991 20579091 21308846 22162098 27564654 29170362 31963269 32158763 34032089 34421982 38519837 41158182 48017879 63926538 64317526 68064178 74580961 77039674 96035758 96476289 102096267 115559511 144053637 149161922 192952578 204192534 223742883 231119022 269638859 288107274 447485766 500757881 539277718 808916577 1001515762 1502273643 1617833154 3004547286 3505305167 7010610334 10515915501 21031831002
- Sum of all divisors σ(n): 54613278720
- Sum of proper divisors (its aliquot sum) s(n): 33581447718
- 21031831002 is an abundant number, because the sum of its proper divisors (33581447718) is greater than itself. Its abundance is 12549616716
Bases of 21031831002
- Binary: 100111001011001100001000101110110102
- Hexadecimal: 0x4E59845DA
- Base-36: 9NTT4NU
Squares and roots of 21031831002
- 21031831002 squared (210318310022) is 442337915296688324004
- 21031831002 cubed (210318310023) is 9303176280296939520718747972008
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The
square root of 21031831002 is 145023.5532663573 -
The
cube root of 21031831002 is 2760.3174301469
Scales and comparisons
How big is 21031831002?- 21,031,831,002 seconds is equal to 668 years, 38 weeks, 5 days, 23 hours, 16 minutes, 42 seconds.
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To count from 1 to 21,031,831,002 would take you about one thousand, three hundred thirty-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 21031831002 cubic inches would be around 230 feet tall.
Recreational maths with 21031831002
- 21031831002 backwards is 20013813012
- 21031831002 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21031831002's digits is 21
- More coming soon!
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