21344400
21,344,400 is an even composite number composed of five prime numbers multiplied together.
21344400 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of four hundred five divisors.
Prime factorization of 21344400:
24 × 32 × 52 × 72 × 112
(2 × 2 × 2 × 2 × 3 × 3 × 5 × 5 × 7 × 7 × 11 × 11)See below for interesting mathematical facts about the number 21344400 from the Numbermatics database.
Names of 21344400
- Cardinal: 21344400 can be written as Twenty-one million, three hundred forty-four thousand, four hundred.
Scientific notation
- Scientific notation: 2.13444 × 107
Factors of 21344400
Divisors of 21344400
- Number of divisors d(n): 405
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Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 11 12 14 15 16 18 20 21 22 24 25 28 30 33 35 36 40 42 44 45 48 49 50 55 56 60 63 66 70 72 75 77 80 84 88 90 98 99 100 105 110 112 120 121 126 132 140 144 147 150 154 165 168 175 176 180 196 198 200 210 220 225 231 240 242 245 252 264 275 280 294 300 308 315 330 336 350 360 363 385 392 396 400 420 440 441 450 462 484 490 495 504 525 528 539 550 560 588 600 605 616 630 660 693 700 720 726 735 770 784 792 825 840 847 880 882 900 924 968 980 990 1008 1050 1078 1089 1100 1155 1176 1200 1210 1225 1232 1260 1320 1386 1400 1452 1470 1540 1575 1584 1617 1650 1680 1694 1764 1800 1815 1848 1925 1936 1960 1980 2100 2156 2178 2200 2205 2310 2352 2420 2450 2475 2520 2541 2640 2695 2772 2800 2904 2940 3025 3080 3150 3234 3300 3388 3465 3528 3600 3630 3675 3696 3850 3920 3960 4200 4235 4312 4356 4400 4410 4620 4840 4851 4900 4950 5040 5082 5390 5445 5544 5775 5808 5880 5929 6050 6160 6300 6468 6600 6776 6930 7056 7260 7350 7623 7700 7920 8085 8400 8470 8624 8712 8820 9075 9240 9680 9702 9800 9900 10164 10780 10890 11025 11088 11550 11760 11858 12100 12600 12705 12936 13200 13475 13552 13860 14520 14700 15246 15400 16170 16940 17325 17424 17640 17787 18150 18480 19404 19600 19800 20328 21175 21560 21780 22050 23100 23716 24200 24255 25200 25410 25872 26950 27225 27720 29040 29400 29645 30492 30800 32340 33880 34650 35280 35574 36300 38115 38808 39600 40425 40656 42350 43120 43560 44100 46200 47432 48400 48510 50820 53361 53900 54450 55440 58800 59290 60984 63525 64680 67760 69300 71148 72600 76230 77616 80850 84700 87120 88200 88935 92400 94864 97020 101640 106722 107800 108900 118580 121275 121968 127050 129360 138600 142296 145200 148225 152460 161700 169400 176400 177870 190575 194040 203280 213444 215600 217800 237160 242550 254100 266805 277200 284592 296450 304920 323400 338800 355740 381150 388080 426888 435600 444675 474320 485100 508200 533610 592900 609840 646800 711480 762300 853776 889350 970200 1016400 1067220 1185800 1334025 1422960 1524600 1778700 1940400 2134440 2371600 2668050 3049200 3557400 4268880 5336100 7114800 10672200 21344400
- Sum of all divisors σ(n): 94709433
- Sum of proper divisors (its aliquot sum) s(n): 73365033
- 21344400 is an abundant number, because the sum of its proper divisors (73365033) is greater than itself. Its abundance is 52020633
Bases of 21344400
- Binary: 10100010110110000100100002
- Hexadecimal: 0x145B090
- Base-36: CPHG0
Squares and roots of 21344400
- 21344400 squared (213444002) is 455583411360000
- 21344400 cubed (213444003) is 9724154565432384000000
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21344400 is a
perfect square number . Itssquare root is 4620 -
The
cube root of 21344400 is 277.3924589379
Scales and comparisons
How big is 21344400?- 21,344,400 seconds is equal to 35 weeks, 2 days, 1 hour.
-
To count from 1 to 21,344,400 would take you about six days!
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 21344400 cubic inches would be around 23.1 feet tall.
Recreational maths with 21344400
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