21427988400
21,427,988,400 is an even composite number composed of six prime numbers multiplied together.
21427988400 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of four hundred eighty divisors.
Prime factorization of 21427988400:
24 × 33 × 52 × 7 × 13 × 21803
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 5 × 7 × 13 × 21803)See below for interesting mathematical facts about the number 21427988400 from the Numbermatics database.
Names of 21427988400
- Cardinal: 21427988400 can be written as Twenty-one billion, four hundred twenty-seven million, nine hundred eighty-eight thousand, four hundred.
Scientific notation
- Scientific notation: 2.14279884 × 1010
Factors of 21427988400
Divisors of 21427988400
- Number of divisors d(n): 480
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Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 18 20 21 24 25 26 27 28 30 35 36 39 40 42 45 48 50 52 54 56 60 63 65 70 72 75 78 80 84 90 91 100 104 105 108 112 117 120 126 130 135 140 144 150 156 168 175 180 182 189 195 200 208 210 216 225 234 240 252 260 270 273 280 300 312 315 325 336 350 351 360 364 378 390 400 420 432 450 455 468 504 520 525 540 546 560 585 600 624 630 650 675 700 702 720 728 756 780 819 840 900 910 936 945 975 1008 1040 1050 1080 1092 1170 1200 1260 1300 1350 1365 1400 1404 1456 1512 1560 1575 1638 1680 1755 1800 1820 1872 1890 1950 2100 2160 2184 2275 2340 2457 2520 2600 2700 2730 2800 2808 2925 3024 3120 3150 3276 3510 3600 3640 3780 3900 4095 4200 4368 4550 4680 4725 4914 5040 5200 5400 5460 5616 5850 6300 6552 6825 7020 7280 7560 7800 8190 8400 8775 9100 9360 9450 9828 10800 10920 11700 12285 12600 13104 13650 14040 15120 15600 16380 17550 18200 18900 19656 20475 21803 21840 23400 24570 25200 27300 28080 32760 35100 36400 37800 39312 40950 43606 46800 49140 54600 61425 65409 65520 70200 75600 81900 87212 98280 109015 109200 122850 130818 140400 152621 163800 174424 196227 196560 218030 245700 261636 283439 305242 327045 327600 348848 392454 436060 457863 491400 523272 545075 566878 588681 610484 654090 763105 784908 850317 872120 915726 981135 982800 1046544 1090150 1133756 1177362 1220968 1308180 1373589 1417195 1526210 1569816 1635225 1700634 1744240 1831452 1962270 1984073 2180300 2267512 2289315 2354724 2441936 2550951 2616360 2747178 2834390 2943405 3052420 3139632 3270450 3401268 3662904 3815525 3924540 3968146 4120767 4251585 4360600 4535024 4578630 4709448 4905675 5101902 5232720 5494356 5668780 5886810 5952219 6104840 6540900 6802536 6867945 7085975 7325808 7631050 7652853 7849080 7936292 8241534 8503170 8721200 9157260 9418896 9811350 9920365 10203804 10988712 11337560 11446575 11773620 11904438 12209680 12754755 13081800 13605072 13735890 14171950 14717025 15262100 15305706 15698160 15872584 16483068 17006340 17856657 18314520 19622700 19840730 20407608 20603835 21257925 21977424 22675120 22893150 23547240 23808876 25509510 26163600 27471780 28343900 29434050 29761095 30524200 30611412 31745168 32966136 34012680 34339725 35713314 36629040 38264265 39245400 39681460 40815216 41207670 42515850 45786300 47094480 47617752 49601825 51019020 53569971 54943560 56687800 58868100 59522190 61048400 61222824 63773775 65932272 68025360 68679450 71426628 76528530 78490800 79362920 82415340 85031700 89283285 91572600 95235504 99203650 102038040 103019175 107139942 109887120 113375600 117736200 119044380 122445648 127547550 137358900 142853256 148805475 153057060 158725840 164830680 170063400 178566570 183145200 191321325 198407300 204076080 206038350 214279884 235472400 238088760 255095100 267849855 274717800 285706512 297610950 306114120 329661360 340126800 357133140 382642650 396814600 412076700 428559768 446416425 476177520 510190200 535699710 549435600 595221900 612228240 714266280 765285300 793629200 824153400 857119536 892832850 1020380400 1071399420 1190443800 1339249275 1428532560 1530570600 1648306800 1785665700 2142798840 2380887600 2678498550 3061141200 3571331400 4285597680 5356997100 7142662800 10713994200 21427988400
- Sum of all divisors σ(n): 93872325120
- Sum of proper divisors (its aliquot sum) s(n): 72444336720
- 21427988400 is an abundant number, because the sum of its proper divisors (72444336720) is greater than itself. Its abundance is 51016348320
Bases of 21427988400
- Binary: 100111111010011010100100111101100002
- Hexadecimal: 0x4FD3527B0
- Base-36: 9UDO5O0
Squares and roots of 21427988400
- 21427988400 squared (214279884002) is 459158686870534560000
- 21427988400 cubed (214279884003) is 9838847016021046853479104000000
-
The
square root of 21427988400 is 146383.0195070453 -
The
cube root of 21427988400 is 2777.5409305377
Scales and comparisons
How big is 21427988400?- 21,427,988,400 seconds is equal to 681 years, 17 weeks, 6 days, 3 hours.
-
To count from 1 to 21,427,988,400 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 21427988400 cubic inches would be around 231.5 feet tall.
Recreational maths with 21427988400
- 21427988400 backwards is 00488972412
- 21427988400 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21427988400's digits is 45
- More coming soon!
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