21294466440
21,294,466,440 is an even composite number composed of six prime numbers multiplied together.
21294466440 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 21294466440:
23 × 3 × 5 × 133 × 372 × 59
(2 × 2 × 2 × 3 × 5 × 13 × 13 × 13 × 37 × 37 × 59)See below for interesting mathematical facts about the number 21294466440 from the Numbermatics database.
Names of 21294466440
- Cardinal: 21294466440 can be written as Twenty-one billion, two hundred ninety-four million, four hundred sixty-six thousand, four hundred forty.
Scientific notation
- Scientific notation: 2.129446644 × 1010
Factors of 21294466440
Divisors of 21294466440
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 13 15 20 24 26 30 37 39 40 52 59 60 65 74 78 104 111 118 120 130 148 156 169 177 185 195 222 236 260 295 296 312 338 354 370 390 444 472 481 507 520 555 590 676 708 740 767 780 845 885 888 962 1014 1110 1180 1352 1369 1416 1443 1480 1534 1560 1690 1770 1924 2028 2183 2197 2220 2301 2360 2405 2535 2738 2886 3068 3380 3540 3835 3848 4056 4107 4366 4394 4440 4602 4810 5070 5476 5772 6136 6253 6549 6591 6760 6845 7080 7215 7670 8214 8732 8788 9204 9620 9971 10140 10915 10952 10985 11505 11544 12506 13098 13182 13690 14430 15340 16428 17464 17576 17797 18408 18759 19240 19942 20280 20535 21830 21970 23010 25012 26196 26364 27380 28379 28860 29913 30680 31265 32745 32856 32955 35594 37518 39884 41070 43660 43940 46020 49855 50024 52392 52728 53391 54760 56758 57720 59826 62530 65490 65910 71188 75036 79768 80771 81289 82140 85137 87320 87880 88985 92040 93795 99710 106782 113516 119652 125060 129623 130980 131820 141895 142376 149565 150072 161542 162578 164280 170274 177970 187590 199420 213564 227032 231361 239304 242313 243867 250120 259246 261960 263640 266955 283790 299130 323084 325156 340548 355940 368927 375180 388869 398840 403855 406445 425685 427128 462722 484626 487734 518492 533910 567580 598260 646168 648115 650312 681096 694083 711880 737854 750360 777738 807710 812890 851370 925444 969252 975468 1036984 1050023 1067820 1106781 1135160 1156805 1196520 1211565 1219335 1296230 1388166 1475708 1555476 1615420 1625780 1702740 1844635 1850888 1938504 1944345 1950936 2100046 2135640 2213562 2313610 2423130 2438670 2592460 2776332 2951416 3007693 3110952 3150069 3230840 3251560 3405480 3470415 3689270 3888690 4200092 4427124 4627220 4796051 4846260 4877340 5184920 5250115 5533905 5552664 6015386 6300138 6940830 7378540 7777380 8400184 8854248 9023079 9254440 9592102 9692520 9754680 10500230 11067810 12030772 12600276 13650299 13881660 14388153 14757080 15038465 15554760 15750345 18046158 19184204 21000460 22135620 23980255 24061544 25200552 27300598 27763320 28776306 30076930 31500690 36092316 38368408 40950897 42000920 44271240 45115395 47960510 54601196 57552612 60153860 63001380 68251495 71940765 72184632 81901794 90230790 95921020 109202392 115105224 120307720 126002760 136502990 143881530 163803588 177453887 180461580 191842040 204754485 273005980 287763060 327607176 354907774 360923160 409508970 532361661 546011960 575526120 709815548 819017940 887269435 1064723322 1419631096 1638035880 1774538870 2129446644 2661808305 3549077740 4258893288 5323616610 7098155480 10647233220 21294466440
- Sum of all divisors σ(n): 72331056000
- Sum of proper divisors (its aliquot sum) s(n): 51036589560
- 21294466440 is an abundant number, because the sum of its proper divisors (51036589560) is greater than itself. Its abundance is 29742123120
Bases of 21294466440
- Binary: 100111101010011111111000101100010002
- Hexadecimal: 0x4F53FC588
- Base-36: 9S66BGO
Squares and roots of 21294466440
- 21294466440 squared (212944664402) is 453454300964286273600
- 21294466440 cubed (212944664403) is 9656067393957653691727857984000
-
The
square root of 21294466440 is 145926.2362976583 -
The
cube root of 21294466440 is 2771.7597735805
Scales and comparisons
How big is 21294466440?- 21,294,466,440 seconds is equal to 677 years, 5 weeks, 17 hours, 34 minutes.
-
To count from 1 to 21,294,466,440 would take you about one thousand, three hundred fifty-four 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 21294466440 cubic inches would be around 231 feet tall.
Recreational maths with 21294466440
- 21294466440 backwards is 04466449212
- The number of decimal digits it has is: 11
- The sum of 21294466440's digits is 42
- More coming soon!
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