21029220729
21,029,220,729 is an odd composite number composed of five prime numbers multiplied together.
21029220729 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 21029220729:
35 × 11 × 193 × 31 × 37
(3 × 3 × 3 × 3 × 3 × 11 × 19 × 19 × 19 × 31 × 37)See below for interesting mathematical facts about the number 21029220729 from the Numbermatics database.
Names of 21029220729
- Cardinal: 21029220729 can be written as Twenty-one billion, twenty-nine million, two hundred twenty thousand, seven hundred twenty-nine.
Scientific notation
- Scientific notation: 2.1029220729 × 1010
Factors of 21029220729
Divisors of 21029220729
- Number of divisors d(n): 192
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Complete list of divisors:
1 3 9 11 19 27 31 33 37 57 81 93 99 111 171 209 243 279 297 333 341 361 407 513 589 627 703 837 891 999 1023 1083 1147 1221 1539 1767 1881 2109 2511 2673 2997 3069 3249 3441 3663 3971 4617 5301 5643 6327 6479 6859 7533 7733 8991 9207 9747 10323 10989 11191 11913 12617 13357 15903 16929 18981 19437 20577 21793 23199 27621 29241 30969 32967 33573 35739 37851 40071 47709 50787 56943 58311 61731 65379 69597 75449 82863 87723 92907 98901 100719 107217 113553 120213 123101 143127 146927 170829 174933 185193 196137 208791 212629 226347 239723 253783 278721 302157 321651 340659 360639 369303 414067 440781 524799 555579 588411 626373 637887 679041 719169 761349 906471 964953 1021977 1081917 1107909 1242201 1322343 1574397 1666737 1765233 1879119 1913661 2037123 2157507 2284047 2338919 2719413 2791613 3065931 3245751 3323727 3726603 3967029 4554737 5295699 5740983 6111369 6472521 6852141 7016757 7867273 8374839 9971181 11179809 11901087 13664211 17222949 18334107 19417563 20556423 21050271 23601819 25124517 29913543 33539427 35703261 40992633 51668847 58252689 61669269 63150813 70805457 75373551 86540003 100618281 122977899 189452439 212416371 226120653 259620009 368933697 568357317 637249113 678361959 778860027 1106801091 1911747339 2336580081 7009740243 21029220729
- Sum of all divisors σ(n): 38455173120
- Sum of proper divisors (its aliquot sum) s(n): 17425952391
- 21029220729 is a deficient number, because the sum of its proper divisors (17425952391) is less than itself. Its deficiency is 3603268338
Bases of 21029220729
- Binary: 100111001010111000001110001011110012
- Hexadecimal: 0x4E5707179
- Base-36: 9NS96K9
Squares and roots of 21029220729
- 21029220729 squared (210292207292) is 442228124469003291441
- 21029220729 cubed (210292207293) is 9299712842030356134340305480489
-
The
square root of 21029220729 is 145014.5535075705 -
The
cube root of 21029220729 is 2760.2032305453
Scales and comparisons
How big is 21029220729?- 21,029,220,729 seconds is equal to 668 years, 34 weeks, 3 days, 18 hours, 12 minutes, 9 seconds.
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To count from 1 to 21,029,220,729 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 21029220729 cubic inches would be around 230 feet tall.
Recreational maths with 21029220729
- 21029220729 backwards is 92702292012
- The number of decimal digits it has is: 11
- The sum of 21029220729's digits is 36
- More coming soon!
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The information we have on file for 21029220729 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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