21126162720
21,126,162,720 is an even composite number composed of six prime numbers multiplied together.
21126162720 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of four hundred thirty-two divisors.
Prime factorization of 21126162720:
25 × 3 × 5 × 132 × 312 × 271
(2 × 2 × 2 × 2 × 2 × 3 × 5 × 13 × 13 × 31 × 31 × 271)See below for interesting mathematical facts about the number 21126162720 from the Numbermatics database.
Names of 21126162720
- Cardinal: 21126162720 can be written as Twenty-one billion, one hundred twenty-six million, one hundred sixty-two thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 2.112616272 × 1010
Factors of 21126162720
Divisors of 21126162720
- Number of divisors d(n): 432
-
Complete list of divisors:
1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 31 32 39 40 48 52 60 62 65 78 80 93 96 104 120 124 130 155 156 160 169 186 195 208 240 248 260 271 310 312 338 372 390 403 416 465 480 496 507 520 542 620 624 676 744 780 806 813 845 930 961 992 1014 1040 1084 1209 1240 1248 1352 1355 1488 1560 1612 1626 1690 1860 1922 2015 2028 2080 2168 2418 2480 2535 2704 2710 2883 2976 3120 3224 3252 3380 3523 3720 3844 4030 4056 4065 4336 4805 4836 4960 5070 5239 5408 5420 5766 6045 6240 6448 6504 6760 7046 7440 7688 8060 8112 8130 8401 8672 9610 9672 10140 10478 10569 10840 11532 12090 12493 12896 13008 13520 14092 14415 14880 15376 15717 16120 16224 16260 16802 17615 19220 19344 20280 20956 21138 21680 23064 24180 24986 25203 26016 26195 27040 28184 28830 30752 31434 32240 32520 33604 35230 37479 38440 38688 40560 41912 42005 42276 43360 45799 46128 48360 49972 50406 52390 52845 56368 57660 62465 62868 64480 65040 67208 70460 74958 76880 78585 81120 83824 84010 84552 91598 92256 96720 99944 100812 104780 105690 109213 112736 115320 124930 125736 126015 130080 134416 137397 140920 149916 153760 157170 162409 167648 168020 169104 183196 187395 193440 199888 201624 209560 211380 218426 228995 230640 249860 251472 252030 260431 268832 274794 281840 299832 314340 324818 327639 336040 338208 366392 374790 399776 403248 419120 422760 436852 457990 461280 487227 499720 502944 504060 520862 546065 549588 563680 599664 628680 649636 655278 672080 686985 732784 749580 781293 806496 812045 838240 845520 873704 915980 974454 999440 1008120 1041724 1092130 1099176 1199328 1257360 1299272 1302155 1310556 1344160 1373970 1419769 1465568 1499160 1562586 1624090 1638195 1691040 1747408 1831960 1948908 1998880 2016240 2083448 2184260 2198352 2436135 2514720 2598544 2604310 2621112 2747940 2839538 2998320 3125172 3248180 3276390 3385603 3494816 3663920 3897816 3906465 4032480 4166896 4259307 4368520 4396704 4872270 5197088 5208620 5242224 5495880 5679076 5996640 6250344 6496360 6552780 6771206 7098845 7327840 7795632 7812930 8333792 8518614 8737040 9744540 10156809 10417240 10484448 10991760 11358152 12500688 12992720 13105560 13542412 14197690 15591264 15625860 16928015 17037228 17474080 19489080 20313618 20834480 21296535 21983520 22716304 25001376 25985440 26211120 27084824 28395380 31251720 33856030 34074456 38978160 40627236 41668960 42593070 44012839 45432608 50784045 52422240 54169648 56790760 62503440 67712060 68148912 77956320 81254472 85186140 88025678 101568090 108339296 113581520 125006880 132038517 135424120 136297824 162508944 170372280 176051356 203136180 220064195 227163040 264077034 270848240 325017888 340744560 352102712 406272360 440128390 528154068 541696480 660192585 681489120 704205424 812544720 880256780 1056308136 1320385170 1408410848 1625089440 1760513560 2112616272 2640770340 3521027120 4225232544 5281540680 7042054240 10563081360 21126162720
- Sum of all divisors σ(n): 74734482816
- Sum of proper divisors (its aliquot sum) s(n): 53608320096
- 21126162720 is an abundant number, because the sum of its proper divisors (53608320096) is greater than itself. Its abundance is 32482157376
Bases of 21126162720
- Binary: 100111010110011011110101001001000002
- Hexadecimal: 0x4EB37A920
- Base-36: 9PDYZHC
Squares and roots of 21126162720
- 21126162720 squared (211261627202) is 446314751271917798400
- 21126162720 cubed (211261627203) is 9428918059706862375462555648000
-
The
square root of 21126162720 is 145348.4183608477 -
The
cube root of 21126162720 is 2764.4381232033
Scales and comparisons
How big is 21126162720?- 21,126,162,720 seconds is equal to 671 years, 38 weeks, 5 days, 18 hours, 32 minutes.
-
To count from 1 to 21,126,162,720 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 21126162720 cubic inches would be around 230.4 feet tall.
Recreational maths with 21126162720
- 21126162720 backwards is 02726162112
- 21126162720 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21126162720's digits is 30
- More coming soon!
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The information we have on file for 21126162720 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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