21438111240
21,438,111,240 is an even composite number composed of six prime numbers multiplied together.
What does the number 21438111240 look like?
This visualization shows the relationship between its 6 prime factors (large circles) and 512 divisors.
21438111240 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of five hundred twelve divisors.
Prime factorization of 21438111240:
23 × 37 × 5 × 7 × 13 × 2693
(2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 5 × 7 × 13 × 2693)See below for interesting mathematical facts about the number 21438111240 from the Numbermatics database.
Names of 21438111240
- Cardinal: 21438111240 can be written as Twenty-one billion, four hundred thirty-eight million, one hundred eleven thousand, two hundred forty.
Scientific notation
- Scientific notation: 2.143811124 × 1010
Factors of 21438111240
Divisors of 21438111240
- Number of divisors d(n): 512
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Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 13 14 15 18 20 21 24 26 27 28 30 35 36 39 40 42 45 52 54 56 60 63 65 70 72 78 81 84 90 91 104 105 108 117 120 126 130 135 140 156 162 168 180 182 189 195 210 216 234 243 252 260 270 273 280 312 315 324 351 360 364 378 390 405 420 455 468 486 504 520 540 546 567 585 630 648 702 728 729 756 780 810 819 840 910 936 945 972 1053 1080 1092 1134 1170 1215 1260 1365 1404 1458 1512 1560 1620 1638 1701 1755 1820 1890 1944 2106 2184 2187 2268 2340 2430 2457 2520 2693 2730 2808 2835 2916 3159 3240 3276 3402 3510 3640 3645 3780 4095 4212 4374 4536 4680 4860 4914 5103 5265 5386 5460 5670 5832 6318 6552 6804 7020 7290 7371 7560 8079 8190 8424 8505 8748 9477 9720 9828 10206 10530 10772 10920 10935 11340 12285 12636 13465 13608 14040 14580 14742 15309 15795 16158 16380 17010 17496 18851 18954 19656 20412 21060 21544 21870 22113 22680 24237 24570 25272 25515 26930 28431 29160 29484 30618 31590 32316 32760 34020 35009 36855 37702 37908 40395 40824 42120 43740 44226 47385 48474 49140 51030 53860 56553 56862 58968 61236 63180 64632 66339 68040 70018 72711 73710 75404 75816 76545 80790 87480 88452 94255 94770 96948 98280 102060 105027 107720 110565 113106 113724 121185 122472 126360 132678 140036 142155 145422 147420 150808 153090 161580 169659 175045 176904 188510 189540 193896 199017 204120 210054 218133 221130 226212 227448 242370 245063 265356 280072 282765 284310 290844 294840 306180 315081 323160 331695 339318 350090 363555 377020 379080 398034 420108 436266 442260 452424 484740 490126 508977 525135 530712 565530 568620 581688 612360 630162 654399 663390 678636 700180 727110 735189 754040 796068 840216 848295 872532 884520 945243 969480 980252 995085 1017954 1050270 1090665 1131060 1137240 1225315 1260324 1308798 1326780 1357272 1400360 1454220 1470378 1526931 1575405 1592136 1696590 1745064 1890486 1960504 1963197 1990170 2035908 2100540 2181330 2205567 2262120 2450630 2520648 2544885 2617596 2653560 2835729 2908440 2940756 3053862 3150810 3271995 3393180 3675945 3780972 3926394 3980340 4071816 4201080 4362660 4411134 4580793 4726215 4901260 5089770 5235192 5671458 5881512 5889591 6107724 6301620 6543990 6616701 6786360 7351890 7561944 7634655 7852788 7960680 8507187 8725320 8822268 9161586 9452430 9802520 9815985 10179540 11027835 11342916 11779182 12215448 12603240 13087980 13233402 13742379 14178645 14703780 15269310 15705576 17014374 17644536 18323172 18904860 19631970 19850103 20359080 22055670 22685832 22903965 23558364 25521561 26175960 26466804 27484758 28357290 29407560 29447955 30538620 33083505 34028748 36646344 37809720 39263940 39700206 41227137 42535935 44111340 45807930 47116728 51043122 52933608 54969516 56714580 58895910 59550309 61077240 66167010 68057496 68711895 76564683 78527880 79400412 82454274 85071870 88222680 91615860 99250515 102086244 109939032 113429160 117791820 119100618 127607805 132334020 137423790 153129366 158800824 164908548 170143740 178650927 183231720 198501030 204172488 206135685 235583640 238201236 255215610 264668040 274847580 297751545 306258732 329817096 340287480 357301854 382823415 397002060 412271370 476402472 510431220 535952781 549695160 595503090 612517464 714603708 765646830 794004120 824542740 893254635 1020862440 1071905562 1191006180 1429207416 1531293660 1649085480 1786509270 2143811124 2382012360 2679763905 3062587320 3573018540 4287622248 5359527810 7146037080 10719055620 21438111240
- Sum of all divisors σ(n): 89070105600
- Sum of proper divisors (its aliquot sum) s(n): 67631994360
- 21438111240 is an abundant number, because the sum of its proper divisors (67631994360) is greater than itself. Its abundance is 46193883120
Bases of 21438111240
- Binary: 100111111011100111110011110000010002
- Hexadecimal: 0x4FDCF9E08
- Base-36: 9UJP4I0
Squares and roots of 21438111240
- 21438111240 squared (214381112402) is 459592613538614337600
- 21438111240 cubed (214381112403) is 9852797574123144204927714624000
-
The
square root of 21438111240 is 146417.5919758279 -
The
cube root of 21438111240 is 2777.9782429525
Scales and comparisons
How big is 21438111240?- 21,438,111,240 seconds is equal to 681 years, 34 weeks, 4 days, 6 hours, 54 minutes.
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To count from 1 to 21,438,111,240 would take you about one thousand, three hundred sixty-three 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 21438111240 cubic inches would be around 231.5 feet tall.
Recreational maths with 21438111240
- 21438111240 backwards is 04211183412
- 21438111240 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21438111240's digits is 27
- More coming soon!
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