21021513030
21,021,513,030 is an even composite number composed of seven prime numbers multiplied together.
21021513030 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 21021513030:
2 × 32 × 5 × 73 × 17 × 41 × 977
(2 × 3 × 3 × 5 × 7 × 7 × 7 × 17 × 41 × 977)See below for interesting mathematical facts about the number 21021513030 from the Numbermatics database.
Names of 21021513030
- Cardinal: 21021513030 can be written as Twenty-one billion, twenty-one million, five hundred thirteen thousand and thirty.
Scientific notation
- Scientific notation: 2.102151303 × 1010
Factors of 21021513030
Divisors of 21021513030
- Number of divisors d(n): 384
-
Complete list of divisors:
1 2 3 5 6 7 9 10 14 15 17 18 21 30 34 35 41 42 45 49 51 63 70 82 85 90 98 102 105 119 123 126 147 153 170 205 210 238 245 246 255 287 294 306 315 343 357 369 410 441 490 510 574 595 615 630 686 697 714 735 738 765 833 861 882 977 1029 1071 1190 1230 1394 1435 1470 1530 1666 1715 1722 1785 1845 1954 2009 2058 2091 2142 2205 2499 2583 2870 2931 3087 3430 3485 3570 3690 4018 4165 4182 4305 4410 4879 4885 4998 5145 5166 5355 5831 5862 6027 6174 6273 6839 6970 7497 8330 8610 8793 9758 9770 10045 10290 10455 10710 11662 12054 12495 12546 12915 13678 14063 14637 14655 14994 15435 16609 17493 17586 18081 20090 20517 20910 24395 24990 25830 28126 29155 29274 29310 30135 30870 31365 33218 34153 34195 34986 36162 37485 40057 41034 42189 43911 43965 47873 48790 49827 52479 58310 60270 61551 62730 68306 68390 70315 73185 74970 80114 83045 84378 87465 87822 87930 90405 95746 99654 102459 102585 104958 116263 120171 123102 126567 140630 143619 146370 149481 166090 170765 174930 180810 200285 204918 205170 210945 219555 232526 239071 239365 240342 249135 253134 262395 280399 287238 298962 307377 307755 335111 341530 348789 360513 400570 421890 430857 439110 478142 478730 498270 512295 524790 560798 581315 600855 614754 615510 632835 670222 680969 697578 717213 718095 721026 747405 813841 841197 861714 1005333 1024590 1046367 1162630 1195355 1201710 1265670 1361938 1401995 1434426 1436190 1494810 1536885 1627682 1675555 1682394 1743945 1802565 1962793 2010666 2042907 2092734 2151639 2154285 2390710 2441523 2523591 2803990 3015999 3073770 3351110 3404845 3487890 3586065 3605130 3925586 4069205 4085814 4205985 4303278 4308570 4766783 4883046 5026665 5047182 5231835 5696887 5888379 6031998 6128721 6809690 7172130 7324569 8138410 8411970 9533566 9813965 10053330 10214535 10463670 10758195 11393774 11776758 12207615 12257442 12617955 13739551 14300349 14649138 15079995 17090661 17665137 19627930 20429070 21516390 23833915 24415230 25235910 27479102 28484435 28600698 29441895 30159990 30643605 33367481 34181322 35330274 36622845 41218653 42901047 47667830 51271983 56968870 58883790 61287210 66734962 68697755 71501745 73245690 82437306 85453305 85802094 88325685 100102443 102543966 123655959 137395510 143003490 166837405 170906610 176651370 200204886 206093265 214505235 233572367 247311918 256359915 300307329 333674810 412186530 429010470 467144734 500512215 512719830 600614658 618279795 700717101 1001024430 1167861835 1236559590 1401434202 1501536645 2102151303 2335723670 3003073290 3503585505 4204302606 7007171010 10510756515 21021513030
- Sum of all divisors σ(n): 69204844800
- Sum of proper divisors (its aliquot sum) s(n): 48183331770
- 21021513030 is an abundant number, because the sum of its proper divisors (48183331770) is greater than itself. Its abundance is 27161818740
Bases of 21021513030
- Binary: 100111001001111101011010101010001102
- Hexadecimal: 0x4E4FAD546
- Base-36: 9NNNZ9I
Squares and roots of 21021513030
- 21021513030 squared (210215130302) is 441904010070459780900
- 21021513030 cubed (210215130303) is 9289490905705421502280295127000
-
The
square root of 21021513030 is 144987.9754669331 -
The
cube root of 21021513030 is 2759.8659630875
Scales and comparisons
How big is 21021513030?- 21,021,513,030 seconds is equal to 668 years, 21 weeks, 5 days, 13 hours, 10 minutes, 30 seconds.
-
To count from 1 to 21,021,513,030 would take you about one thousand, three hundred thirty-six 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 21021513030 cubic inches would be around 230 feet tall.
Recreational maths with 21021513030
- 21021513030 backwards is 03031512012
- 21021513030 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21021513030's digits is 18
- More coming soon!
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