21120529920
21,120,529,920 is an even composite number composed of six prime numbers multiplied together.
21120529920 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 21120529920:
29 × 3 × 5 × 7 × 79 × 4973
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 7 × 79 × 4973)See below for interesting mathematical facts about the number 21120529920 from the Numbermatics database.
Names of 21120529920
- Cardinal: 21120529920 can be written as Twenty-one billion, one hundred twenty million, five hundred twenty-nine thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 2.112052992 × 1010
Factors of 21120529920
Divisors of 21120529920
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 56 60 64 70 79 80 84 96 105 112 120 128 140 158 160 168 192 210 224 237 240 256 280 316 320 336 384 395 420 448 474 480 512 553 560 632 640 672 768 790 840 896 948 960 1106 1120 1185 1264 1280 1344 1536 1580 1659 1680 1792 1896 1920 2212 2240 2370 2528 2560 2688 2765 3160 3318 3360 3584 3792 3840 4424 4480 4740 4973 5056 5376 5530 6320 6636 6720 7584 7680 8295 8848 8960 9480 9946 10112 10752 11060 12640 13272 13440 14919 15168 16590 17696 17920 18960 19892 20224 22120 24865 25280 26544 26880 29838 30336 33180 34811 35392 37920 39784 40448 44240 49730 50560 53088 53760 59676 60672 66360 69622 70784 74595 75840 79568 88480 99460 101120 104433 106176 119352 121344 132720 139244 141568 149190 151680 159136 174055 176960 198920 202240 208866 212352 238704 265440 278488 283136 298380 303360 318272 348110 353920 392867 397840 417732 424704 477408 522165 530880 556976 596760 606720 636544 696220 707840 785734 795680 835464 849408 954816 1044330 1061760 1113952 1178601 1193520 1273088 1392440 1415680 1571468 1591360 1670928 1909632 1964335 2088660 2123520 2227904 2357202 2387040 2546176 2750069 2784880 3142936 3182720 3341856 3819264 3928670 4177320 4247040 4455808 4714404 4774080 5500138 5569760 5893005 6285872 6365440 6683712 7638528 7857340 8250207 8354640 8911616 9428808 9548160 11000276 11139520 11786010 12571744 12730880 13367424 13750345 15714680 16500414 16709280 17823232 18857616 19096320 22000552 22279040 23572020 25143488 26734848 27500690 31429360 33000828 33418560 37715232 38192640 41251035 44001104 44558080 47144040 50286976 53469696 55001380 62858720 66001656 66837120 75430464 82502070 88002208 89116160 94288080 100573952 110002760 125717440 132003312 133674240 150860928 165004140 176004416 188576160 201147904 220005520 251434880 264006624 267348480 301721856 330008280 352008832 377152320 440011040 502869760 528013248 603443712 660016560 704017664 754304640 880022080 1005739520 1056026496 1320033120 1408035328 1508609280 1760044160 2112052992 2640066240 3017218560 3520088320 4224105984 5280132480 7040176640 10560264960 21120529920
- Sum of all divisors σ(n): 78157854720
- Sum of proper divisors (its aliquot sum) s(n): 57037324800
- 21120529920 is an abundant number, because the sum of its proper divisors (57037324800) is greater than itself. Its abundance is 35916794880
Bases of 21120529920
- Binary: 100111010101110000110110110000000002
- Hexadecimal: 0x4EAE1B600
- Base-36: 9PAM96O
Squares and roots of 21120529920
- 21120529920 squared (211205299202) is 446076784101615206400
- 21120529920 cubed (211205299203) is 9421378065235544287098175488000
-
The
square root of 21120529920 is 145329.0401812385 -
The
cube root of 21120529920 is 2764.1924103179
Scales and comparisons
How big is 21120529920?- 21,120,529,920 seconds is equal to 671 years, 29 weeks, 3 days, 13 hours, 52 minutes.
-
To count from 1 to 21,120,529,920 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 21120529920 cubic inches would be around 230.3 feet tall.
Recreational maths with 21120529920
- 21120529920 backwards is 02992502112
- The number of decimal digits it has is: 11
- The sum of 21120529920's digits is 33
- More coming soon!
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