21120330840
21,120,330,840 is an even composite number composed of seven prime numbers multiplied together.
21120330840 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 21120330840:
23 × 3 × 5 × 72 × 19 × 79 × 2393
(2 × 2 × 2 × 3 × 5 × 7 × 7 × 19 × 79 × 2393)See below for interesting mathematical facts about the number 21120330840 from the Numbermatics database.
Names of 21120330840
- Cardinal: 21120330840 can be written as Twenty-one billion, one hundred twenty million, three hundred thirty thousand, eight hundred forty.
Scientific notation
- Scientific notation: 2.112033084 × 1010
Factors of 21120330840
Divisors of 21120330840
- Number of divisors d(n): 384
-
Complete list of divisors:
1 2 3 4 5 6 7 8 10 12 14 15 19 20 21 24 28 30 35 38 40 42 49 56 57 60 70 76 79 84 95 98 105 114 120 133 140 147 152 158 168 190 196 210 228 237 245 266 280 285 294 316 380 392 395 399 420 456 474 490 532 553 570 588 632 665 735 760 790 798 840 931 948 980 1064 1106 1140 1176 1185 1330 1470 1501 1580 1596 1659 1862 1896 1960 1995 2212 2280 2370 2393 2660 2765 2793 2940 3002 3160 3192 3318 3724 3871 3990 4424 4503 4655 4740 4786 5320 5530 5586 5880 6004 6636 7179 7448 7505 7742 7980 8295 9006 9310 9480 9572 10507 11060 11172 11613 11965 12008 13272 13965 14358 15010 15484 15960 16590 16751 18012 18620 19144 19355 21014 22120 22344 22515 23226 23930 27930 28716 30020 30968 31521 33180 33502 35895 36024 37240 38710 42028 45030 45467 46452 47860 50253 52535 55860 57432 58065 60040 63042 66360 67004 71790 73549 77420 83755 84056 90060 90934 92904 95720 100506 105070 111720 116130 117257 126084 134008 136401 143580 147098 154840 157605 167510 180120 181868 189047 201012 210140 220647 227335 232260 234514 251265 252168 272802 287160 294196 315210 318269 335020 351771 363736 367745 378094 402024 420280 441294 454670 464520 469028 502530 545604 567141 586285 588392 630420 636538 670040 682005 703542 735490 756188 882588 909340 938056 945235 954807 1005060 1091208 1103235 1134282 1172570 1260840 1273076 1323329 1364010 1407084 1470980 1512376 1591345 1758855 1765176 1818680 1890470 1909614 2010120 2206470 2227883 2268564 2345140 2546152 2646658 2728020 2814168 2835705 2941960 3182690 3517710 3591893 3780940 3819228 3969987 4412940 4455766 4537128 4690280 4774035 5293316 5456040 5671410 6365380 6616645 6683649 7035420 7183786 7561880 7638456 7939974 8825880 8911532 9263303 9548070 10586632 10775679 11139415 11342820 12730760 13233290 13367298 14070840 14367572 15879948 17823064 17959465 18526606 19096140 19849935 21551358 22278830 22685640 25143251 26466580 26734596 27789909 28735144 31759896 33418245 35918930 37053212 38192280 39699870 43102716 44557660 46316515 50286502 52933160 53469192 53878395 55579818 66836490 71837860 74106424 75429753 79399740 86205432 89115320 92633030 100573004 107756790 111159636 125716255 133672980 138949545 143675720 150859506 158799480 176002757 185266060 201146008 215513580 222319272 251432510 267345960 277899090 301719012 352005514 370532120 377148765 431027160 502865020 528008271 555798180 603438024 704011028 754297530 880013785 1005730040 1056016542 1111596360 1408022056 1508595060 1760027570 2112033084 2640041355 3017190120 3520055140 4224066168 5280082710 7040110280 10560165420 21120330840
- Sum of all divisors σ(n): 78599808000
- Sum of proper divisors (its aliquot sum) s(n): 57479477160
- 21120330840 is an abundant number, because the sum of its proper divisors (57479477160) is greater than itself. Its abundance is 36359146320
Bases of 21120330840
- Binary: 100111010101101111010101100010110002
- Hexadecimal: 0x4EADEAC58
- Base-36: 9PAHZKO
Squares and roots of 21120330840
- 21120330840 squared (211203308402) is 446068374791055105600
- 21120330840 cubed (211203308403) is 9421111652848199702943136704000
-
The
square root of 21120330840 is 145328.3552511347 -
The
cube root of 21120330840 is 2764.1837252905
Scales and comparisons
How big is 21120330840?- 21,120,330,840 seconds is equal to 671 years, 29 weeks, 1 day, 6 hours, 34 minutes.
-
To count from 1 to 21,120,330,840 would take you about one thousand, three hundred forty-three 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 21120330840 cubic inches would be around 230.3 feet tall.
Recreational maths with 21120330840
- 21120330840 backwards is 04803302112
- 21120330840 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21120330840's digits is 24
- More coming soon!
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The information we have on file for 21120330840 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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