21125748672
21,125,748,672 is an even composite number composed of four prime numbers multiplied together.
21125748672 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of four hundred twenty divisors.
Prime factorization of 21125748672:
26 × 34 × 73 × 1092
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 7 × 7 × 7 × 109 × 109)See below for interesting mathematical facts about the number 21125748672 from the Numbermatics database.
Names of 21125748672
- Cardinal: 21125748672 can be written as Twenty-one billion, one hundred twenty-five million, seven hundred forty-eight thousand, six hundred seventy-two.
Scientific notation
- Scientific notation: 2.1125748672 × 1010
Factors of 21125748672
Divisors of 21125748672
- Number of divisors d(n): 420
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Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 49 54 56 63 64 72 81 84 96 98 108 109 112 126 144 147 162 168 189 192 196 216 218 224 252 288 294 324 327 336 343 378 392 432 436 441 448 504 567 576 588 648 654 672 686 756 763 784 864 872 882 981 1008 1029 1134 1176 1296 1308 1323 1344 1372 1512 1526 1568 1728 1744 1764 1962 2016 2058 2268 2289 2352 2592 2616 2646 2744 2943 3024 3052 3087 3136 3488 3528 3924 3969 4032 4116 4536 4578 4704 5184 5232 5292 5341 5488 5886 6048 6104 6174 6867 6976 7056 7848 7938 8232 8829 9072 9156 9261 9408 10464 10584 10682 10976 11772 11881 12096 12208 12348 13734 14112 15696 15876 16023 16464 17658 18144 18312 18522 20601 20928 21168 21364 21952 23544 23762 24416 24696 27468 27783 28224 31392 31752 32046 32928 35316 35643 36288 36624 37044 37387 41202 42336 42728 47088 47524 48069 48832 49392 54936 55566 61803 62784 63504 64092 65856 70632 71286 73248 74088 74774 82404 83167 84672 85456 94176 95048 96138 98784 106929 109872 111132 112161 123606 127008 128184 141264 142572 144207 146496 148176 149548 164808 166334 170912 188352 190096 192276 197568 213858 219744 222264 224322 247212 249501 254016 256368 282528 285144 288414 296352 299096 320787 329616 332668 336483 341824 380192 384552 427716 432621 439488 444528 448644 494424 499002 512736 565056 570288 576828 582169 592704 598192 641574 659232 665336 672966 748503 760384 769104 855432 865242 889056 897288 962361 988848 998004 1009449 1025472 1140576 1153656 1164338 1196384 1283148 1318464 1330672 1345932 1497006 1538208 1710864 1730484 1746507 1778112 1794576 1924722 1977696 1996008 2018898 2245509 2281152 2307312 2328676 2392768 2566296 2661344 2691864 2994012 3028347 3076416 3421728 3460968 3493014 3589152 3849444 3955392 3992016 4037796 4075183 4491018 4614624 4657352 5132592 5239521 5322688 5383728 5988024 6056694 6736527 6843456 6921936 6986028 7178304 7698888 7984032 8075592 8150366 8982036 9229248 9314704 10265184 10479042 10767456 11976048 12113388 12225549 13473054 13843872 13972056 15397776 15718563 15968064 16151184 16300732 17964072 18629408 20530368 20958084 21534912 23952096 24226776 24451098 26946108 27687744 27944112 30795552 31437126 32302368 32601464 35928144 36676647 37258816 41916168 47155689 47904192 48453552 48902196 53892216 55888224 61591104 62874252 64604736 65202928 71856288 73353294 83832336 94311378 96907104 97804392 107784432 110029941 111776448 125748504 130405856 143712576 146706588 167664672 188622756 193814208 195608784 215568864 220059882 251497008 260811712 293413176 330089823 335329344 377245512 391217568 431137728 440119764 502994016 586826352 660179646 754491024 782435136 880239528 1005988032 1173652704 1320359292 1508982048 1760479056 2347305408 2640718584 3017964096 3520958112 5281437168 7041916224 10562874336 21125748672
- Sum of all divisors σ(n): 73706278800
- Sum of proper divisors (its aliquot sum) s(n): 52580530128
- 21125748672 is an abundant number, because the sum of its proper divisors (52580530128) is greater than itself. Its abundance is 31454781456
Bases of 21125748672
- Binary: 100111010110011000101010111110000002
- Hexadecimal: 0x4EB3157C0
- Base-36: 9PDQ400
Squares and roots of 21125748672
- 21125748672 squared (211257486722) is 446297256952509763584
- 21125748672 cubed (211257486723) is 9428363683381725905101721960448
-
The
square root of 21125748672 is 145346.9940246443 -
The
cube root of 21125748672 is 2764.4200631707
Scales and comparisons
How big is 21125748672?- 21,125,748,672 seconds is equal to 671 years, 38 weeks, 23 hours, 31 minutes, 12 seconds.
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To count from 1 to 21,125,748,672 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 21125748672 cubic inches would be around 230.4 feet tall.
Recreational maths with 21125748672
- 21125748672 backwards is 27684752112
- The number of decimal digits it has is: 11
- The sum of 21125748672's digits is 45
- More coming soon!
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The information we have on file for 21125748672 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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