21421493352
21,421,493,352 is an even composite number composed of six prime numbers multiplied together.
21421493352 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 21421493352:
23 × 32 × 7 × 432 × 127 × 181
(2 × 2 × 2 × 3 × 3 × 7 × 43 × 43 × 127 × 181)See below for interesting mathematical facts about the number 21421493352 from the Numbermatics database.
Names of 21421493352
- Cardinal: 21421493352 can be written as Twenty-one billion, four hundred twenty-one million, four hundred ninety-three thousand, three hundred fifty-two.
Scientific notation
- Scientific notation: 2.1421493352 × 1010
Factors of 21421493352
Divisors of 21421493352
- Number of divisors d(n): 288
-
Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 43 56 63 72 84 86 126 127 129 168 172 181 252 254 258 301 344 362 381 387 504 508 516 543 602 724 762 774 889 903 1016 1032 1086 1143 1204 1267 1448 1524 1548 1629 1778 1806 1849 2172 2286 2408 2534 2667 2709 3048 3096 3258 3556 3612 3698 3801 4344 4572 5068 5334 5418 5461 5547 6516 7112 7224 7396 7602 7783 8001 9144 10136 10668 10836 10922 11094 11403 12943 13032 14792 15204 15566 16002 16383 16641 21336 21672 21844 22188 22806 22987 23349 25886 30408 31132 32004 32766 33282 38227 38829 43688 44376 45612 45974 46698 49149 51772 54481 62264 64008 65532 66564 68961 70047 76454 77658 91224 91948 93396 98298 103544 108962 114681 116487 131064 133128 137922 140094 152908 155316 160909 163443 183896 186792 196596 206883 217924 229362 232974 234823 275844 280188 305816 310632 321818 326886 334669 344043 393192 413766 435848 458724 465948 469646 482727 490329 551688 560376 643636 653772 669338 688086 704469 827532 917448 931896 939292 965454 980658 988441 1004007 1287272 1307544 1338676 1376172 1408938 1448181 1643761 1655064 1878584 1930908 1961316 1976882 2008014 2113407 2342683 2677352 2752344 2817876 2896362 2965323 3012021 3287522 3861816 3922632 3953764 4016028 4226814 4685366 4931283 5635752 5792724 5930646 6024042 6575044 6919087 7028049 7907528 8032056 8453628 8895969 9370732 9862566 11585448 11861292 12048084 13150088 13838174 14056098 14793849 16907256 17791938 18741464 19725132 20757261 21084147 23722584 24096168 27676348 28112196 29587698 35583876 39450264 41514522 42168294 42502963 55352696 56224392 59175396 62271783 71167752 83029044 84336588 85005926 118350792 124543566 127508889 166058088 168673176 170011852 249087132 255017778 297520741 340023704 382526667 498174264 510035556 595041482 765053334 892562223 1020071112 1190082964 1530106668 1785124446 2380165928 2677686669 3060213336 3570248892 5355373338 7140497784 10710746676 21421493352
- Sum of all divisors σ(n): 68794951680
- Sum of proper divisors (its aliquot sum) s(n): 47373458328
- 21421493352 is an abundant number, because the sum of its proper divisors (47373458328) is greater than itself. Its abundance is 25951964976
Bases of 21421493352
- Binary: 100111111001101001000001100011010002
- Hexadecimal: 0x4FCD20C68
- Base-36: 9U9SY20
Squares and roots of 21421493352
- 21421493352 squared (214214933522) is 458880377429780195904
- 21421493352 cubed (214214933523) is 9829902954475287313378793630208
-
The
square root of 21421493352 is 146360.8327114873 -
The
cube root of 21421493352 is 2777.2602682505
Scales and comparisons
How big is 21421493352?- 21,421,493,352 seconds is equal to 681 years, 7 weeks, 22 hours, 49 minutes, 12 seconds.
-
To count from 1 to 21,421,493,352 would take you about one thousand, three hundred sixty-two 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 21421493352 cubic inches would be around 231.4 feet tall.
Recreational maths with 21421493352
- 21421493352 backwards is 25339412412
- 21421493352 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21421493352's digits is 36
- More coming soon!
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