21490557984
21,490,557,984 is an even composite number composed of five prime numbers multiplied together.
21490557984 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 21490557984:
25 × 33 × 73 × 127 × 571
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 7 × 7 × 7 × 127 × 571)See below for interesting mathematical facts about the number 21490557984 from the Numbermatics database.
Names of 21490557984
- Cardinal: 21490557984 can be written as Twenty-one billion, four hundred ninety million, five hundred fifty-seven thousand, nine hundred eighty-four.
Scientific notation
- Scientific notation: 2.1490557984 × 1010
Factors of 21490557984
Divisors of 21490557984
- Number of divisors d(n): 384
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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 72 84 96 98 108 112 126 127 144 147 168 189 196 216 224 252 254 288 294 336 343 378 381 392 432 441 504 508 571 588 672 686 756 762 784 864 882 889 1008 1016 1029 1142 1143 1176 1323 1372 1512 1524 1568 1713 1764 1778 2016 2032 2058 2284 2286 2352 2646 2667 2744 3024 3048 3087 3426 3429 3528 3556 3997 4064 4116 4568 4572 4704 5139 5292 5334 5488 6048 6096 6174 6223 6852 6858 7056 7112 7994 8001 8232 9136 9144 9261 10278 10584 10668 10976 11991 12192 12348 12446 13704 13716 14112 14224 15417 15988 16002 16464 18272 18288 18522 18669 20556 21168 21336 23982 24003 24696 24892 27408 27432 27979 28448 30834 31976 32004 32928 35973 36576 37044 37338 41112 42336 42672 43561 47964 48006 49392 49784 54816 54864 55958 56007 61668 63952 64008 71946 72517 74088 74676 82224 83937 85344 87122 95928 96012 98784 99568 107919 109728 111916 112014 123336 127904 128016 130683 143892 145034 148176 149352 164448 167874 168021 174244 191856 192024 195853 199136 215838 217551 223832 224028 246672 251811 256032 261366 287784 290068 296352 298704 335748 336042 348488 383712 384048 391706 392049 431676 435102 447664 448056 493344 503622 507619 522732 575568 580136 587559 597408 652653 671496 672084 696976 755433 768096 783412 784098 863352 870204 895328 896112 1007244 1015238 1045464 1151136 1160272 1175118 1176147 1305306 1342992 1344168 1393952 1510866 1522857 1566824 1568196 1726704 1740408 1762677 1792224 1957959 2014488 2030476 2090928 2320544 2350236 2352294 2610612 2685984 2688336 3021732 3045714 3133648 3136392 3453408 3480816 3525354 3553333 3915918 4028976 4060952 4181856 4568571 4700472 4704588 5221224 5288031 5376672 6043464 6091428 6267296 6272784 6961632 7050708 7106666 7831836 8057952 8121904 9137142 9400944 9409176 10442448 10576062 10659999 12086928 12182856 12545568 13705713 14101416 14213332 15663672 16243808 18274284 18801888 18818352 20884896 21152124 21319998 24173856 24365712 24873331 27411426 28202832 28426664 31327344 31979997 36548568 37636704 42304248 42639996 48731424 49746662 54822852 56405664 56853328 62654688 63959994 73097136 74619993 84608496 85279992 95939991 99493324 109645704 113706656 127919988 146194272 149239986 169216992 170559984 191879982 198986648 219291408 223859979 255839976 298479972 341119968 383759964 397973296 438582816 447719958 511679952 596959944 671579937 767519928 795946592 895439916 1023359904 1193919888 1343159874 1535039856 1790879832 2387839776 2686319748 3070079712 3581759664 5372639496 7163519328 10745278992 21490557984
- Sum of all divisors σ(n): 73801728000
- Sum of proper divisors (its aliquot sum) s(n): 52311170016
- 21490557984 is an abundant number, because the sum of its proper divisors (52311170016) is greater than itself. Its abundance is 30820612032
Bases of 21490557984
- Binary: 101000000001110111111100100001000002
- Hexadecimal: 0x500EFE420
- Base-36: 9VEX8O0
Squares and roots of 21490557984
- 21490557984 squared (214905579842) is 461844082463666144256
- 21490557984 cubed (214905579843) is 9925287033752694846351276539904
-
The
square root of 21490557984 is 146596.5824431115 -
The
cube root of 21490557984 is 2780.2417704609
Scales and comparisons
How big is 21490557984?- 21,490,557,984 seconds is equal to 683 years, 17 weeks, 2 days, 7 hours, 26 minutes, 24 seconds.
-
To count from 1 to 21,490,557,984 would take you about one thousand, three hundred sixty-six 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 21490557984 cubic inches would be around 231.7 feet tall.
Recreational maths with 21490557984
- 21490557984 backwards is 48975509412
- 21490557984 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21490557984's digits is 54
- More coming soon!
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The information we have on file for 21490557984 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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