21397373340
21,397,373,340 is an even composite number composed of eight prime numbers multiplied together.
21397373340 is an even composite number. It is composed of eight distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 21397373340:
22 × 3 × 5 × 7 × 17 × 23 × 29 × 4493
(2 × 2 × 3 × 5 × 7 × 17 × 23 × 29 × 4493)See below for interesting mathematical facts about the number 21397373340 from the Numbermatics database.
Names of 21397373340
- Cardinal: 21397373340 can be written as Twenty-one billion, three hundred ninety-seven million, three hundred seventy-three thousand, three hundred forty.
Scientific notation
- Scientific notation: 2.139737334 × 1010
Factors of 21397373340
Divisors of 21397373340
- Number of divisors d(n): 384
-
Complete list of divisors:
1 2 3 4 5 6 7 10 12 14 15 17 20 21 23 28 29 30 34 35 42 46 51 58 60 68 69 70 84 85 87 92 102 105 115 116 119 138 140 145 161 170 174 203 204 210 230 238 255 276 290 322 340 345 348 357 391 406 420 435 460 476 483 493 510 580 595 609 644 667 690 714 782 805 812 870 966 986 1015 1020 1173 1190 1218 1334 1380 1428 1479 1564 1610 1740 1785 1932 1955 1972 2001 2030 2346 2380 2415 2436 2465 2668 2737 2958 3045 3220 3335 3451 3570 3910 4002 4060 4493 4669 4692 4830 4930 5474 5865 5916 6090 6670 6902 7140 7395 7820 8004 8211 8986 9338 9660 9860 10005 10353 10948 11339 11730 12180 13340 13479 13685 13804 14007 14790 16422 17255 17972 18676 20010 20706 22465 22678 23345 23460 26958 27370 28014 29580 31451 32844 34017 34510 40020 41055 41412 44930 45356 46690 51765 53916 54740 56028 56695 62902 67395 68034 69020 70035 76381 79373 82110 89860 93380 94353 103339 103530 113390 125804 130297 134790 136068 140070 152762 157255 158746 164220 170085 188706 206678 207060 226780 229143 238119 260594 269580 280140 305524 310017 314510 317492 340170 377412 381905 390891 396865 413356 458286 471765 476238 516695 521188 534667 620034 629020 651485 680340 723373 763810 781782 793730 912079 916572 943530 952476 1033390 1069334 1145715 1190595 1240068 1302970 1446746 1527620 1550085 1563564 1587460 1604001 1756763 1824158 1887060 1954455 2066780 2138668 2170119 2215049 2291430 2381190 2605940 2673335 2736237 2893492 2996831 3100170 3208002 3513526 3616865 3648316 3908910 4340238 4430098 4560395 4582860 4762380 5270289 5346670 5472474 5993662 6200340 6416004 6645147 7027052 7233730 7817820 8020005 8680476 8783815 8860196 8990493 9120790 10540578 10693340 10850595 10944948 11075245 11987324 12297341 13290294 13681185 14467460 14984155 15505343 16040010 17567630 17980986 18241580 20977817 21081156 21701190 22150490 24594682 26351445 26580588 27362370 29968310 31010686 32080020 33225735 35135260 35961972 36892023 41955634 43402380 44300980 44952465 46516029 49189364 50946127 52702890 54724740 59936620 61486705 62021372 62933451 66451470 73784046 77526715 83911268 89904930 93032058 101892254 104889085 105405780 122973410 125866902 132902940 147568092 152838381 155053430 179809860 184460115 186064116 203784508 209778170 232580145 245946820 251733804 254730635 305676762 310106860 314667255 356622889 368920230 419556340 465160290 509461270 611353524 629334510 713245778 737840460 764191905 930320580 1018922540 1069868667 1258669020 1426491556 1528383810 1783114445 2139737334 3056767620 3566228890 4279474668 5349343335 7132457780 10698686670 21397373340
- Sum of all divisors σ(n): 78277570560
- Sum of proper divisors (its aliquot sum) s(n): 56880197220
- 21397373340 is an abundant number, because the sum of its proper divisors (56880197220) is greater than itself. Its abundance is 35482823880
Bases of 21397373340
- Binary: 100111110110110001000000001100111002
- Hexadecimal: 0x4FB62019C
- Base-36: 9TVFYXO
Squares and roots of 21397373340
- 21397373340 squared (213973733402) is 457847585851342755600
- 21397373340 cubed (213973733403) is 9796735727278882681877575704000
-
The
square root of 21397373340 is 146278.4103687211 -
The
cube root of 21397373340 is 2776.2175039003
Scales and comparisons
How big is 21397373340?- 21,397,373,340 seconds is equal to 680 years, 19 weeks, 1 day, 18 hours, 49 minutes.
-
To count from 1 to 21,397,373,340 would take you about one thousand, three hundred sixty 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 21397373340 cubic inches would be around 231.4 feet tall.
Recreational maths with 21397373340
- 21397373340 backwards is 04337379312
- 21397373340 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21397373340's digits is 42
- More coming soon!
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