21421529325
21,421,529,325 is an odd composite number composed of six prime numbers multiplied together.
21421529325 is an odd composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred sixty divisors.
Prime factorization of 21421529325:
34 × 52 × 7 × 29 × 31 × 412
(3 × 3 × 3 × 3 × 5 × 5 × 7 × 29 × 31 × 41 × 41)See below for interesting mathematical facts about the number 21421529325 from the Numbermatics database.
Names of 21421529325
- Cardinal: 21421529325 can be written as Twenty-one billion, four hundred twenty-one million, five hundred twenty-nine thousand, three hundred twenty-five.
Scientific notation
- Scientific notation: 2.1421529325 × 1010
Factors of 21421529325
Divisors of 21421529325
- Number of divisors d(n): 360
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Complete list of divisors:
1 3 5 7 9 15 21 25 27 29 31 35 41 45 63 75 81 87 93 105 123 135 145 155 175 189 203 205 217 225 261 279 287 315 369 405 435 465 525 567 609 615 651 675 725 775 783 837 861 899 945 1015 1025 1085 1107 1189 1271 1305 1395 1435 1575 1681 1827 1845 1953 2025 2175 2325 2349 2511 2583 2697 2835 3045 3075 3255 3321 3567 3813 3915 4185 4305 4495 4725 5043 5075 5425 5481 5535 5859 5945 6293 6355 6525 6975 7175 7749 8091 8323 8405 8897 9135 9225 9765 10701 11439 11745 11767 12555 12915 13485 14175 15129 15225 16275 16443 16605 17577 17835 18879 19065 19575 20925 21525 22475 23247 24273 24969 25215 26691 27405 27675 29295 29725 31465 31775 32103 34317 35301 36859 38745 40455 41615 42025 44485 45387 45675 48749 48825 52111 53505 56637 57195 58725 58835 62775 64575 67425 72819 74907 75645 80073 82215 83025 87885 89175 94395 95325 96309 102951 105903 110577 116235 121365 124845 126075 133455 136161 137025 146247 146475 156333 157325 160515 169911 171585 176505 184295 193725 202275 208075 222425 224721 226935 240219 243745 258013 260555 267525 283185 285975 294175 317709 331731 341243 364095 364777 374535 378225 400365 411075 438741 439425 468999 471975 481545 509733 514755 529515 552885 581175 606825 624225 667275 674163 680805 720657 731235 774039 781665 802575 849555 857925 882525 921475 953127 995193 1023729 1094331 1123605 1134675 1201095 1218725 1290065 1302775 1316223 1406997 1415925 1511219 1588545 1658655 1706215 1820475 1823885 1872675 2001825 2193705 2322117 2344995 2407725 2548665 2573775 2647575 2764425 2985579 3071187 3282993 3370815 3404025 3603285 3656175 3870195 3908325 3948669 4220991 4247775 4533657 4765635 4975965 5118645 5471655 5618025 6005475 6450325 6581115 6966351 7034985 7556095 7942725 8293275 8531075 9119425 9213561 9848979 10578533 10968525 11610585 11724975 12743325 13600971 14927895 15355935 16414965 16854075 18016425 19350975 19743345 20899053 21104955 22668285 23828175 24879825 25593225 27358275 27640683 29546937 31735599 32905575 34831755 35174925 37780475 40802913 46067805 49244895 52892665 58052925 68004855 74639475 76779675 82074825 95206797 98716725 104495265 105524775 113341425 122408739 138203415 147734685 158677995 174158775 204014565 230339025 246224475 264463325 285620391 340024275 476033985 522476325 612043695 691017075 738673425 793389975 856861173 1020072825 1428101955 2380169925 3060218475 4284305865 7140509775 21421529325
- Sum of all divisors σ(n): 49635632640
- Sum of proper divisors (its aliquot sum) s(n): 28214103315
- 21421529325 is an abundant number, because the sum of its proper divisors (28214103315) is greater than itself. Its abundance is 6792573990
Bases of 21421529325
- Binary: 100111111001101001010011000111011012
- Hexadecimal: 0x4FCD298ED
- Base-36: 9U9TPT9
Squares and roots of 21421529325
- 21421529325 squared (214215293252) is 458881918621834955625
- 21421529325 cubed (214215293253) is 9829952476469901087231011203125
-
The
square root of 21421529325 is 146360.9556029203 -
The
cube root of 21421529325 is 2777.2618228623
Scales and comparisons
How big is 21421529325?- 21,421,529,325 seconds is equal to 681 years, 7 weeks, 1 day, 8 hours, 48 minutes, 45 seconds.
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To count from 1 to 21,421,529,325 would take you about one thousand, three hundred sixty-two 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 21421529325 cubic inches would be around 231.4 feet tall.
Recreational maths with 21421529325
- 21421529325 backwards is 52392512412
- The number of decimal digits it has is: 11
- The sum of 21421529325's digits is 36
- More coming soon!
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