21438049752
21,438,049,752 is an even composite number composed of seven prime numbers multiplied together.
21438049752 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 21438049752:
23 × 32 × 7 × 19 × 31 × 257 × 281
(2 × 2 × 2 × 3 × 3 × 7 × 19 × 31 × 257 × 281)See below for interesting mathematical facts about the number 21438049752 from the Numbermatics database.
Names of 21438049752
- Cardinal: 21438049752 can be written as Twenty-one billion, four hundred thirty-eight million, forty-nine thousand, seven hundred fifty-two.
Scientific notation
- Scientific notation: 2.1438049752 × 1010
Factors of 21438049752
Divisors of 21438049752
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 18 19 21 24 28 31 36 38 42 56 57 62 63 72 76 84 93 114 124 126 133 152 168 171 186 217 228 248 252 257 266 279 281 342 372 399 434 456 504 514 532 558 562 589 651 684 744 771 798 843 868 1028 1064 1116 1124 1178 1197 1302 1368 1542 1596 1686 1736 1767 1799 1953 1967 2056 2232 2248 2313 2356 2394 2529 2604 3084 3192 3372 3534 3598 3906 3934 4123 4626 4712 4788 4883 5058 5208 5301 5339 5397 5901 6168 6744 7068 7196 7812 7868 7967 8246 8711 9252 9576 9766 10116 10602 10678 10794 11802 12369 14136 14392 14649 15624 15736 15934 16017 16191 16492 17422 17703 18504 19532 20232 21204 21356 21588 23604 23901 24738 26133 29298 31868 32034 32382 32984 34181 34844 35406 37107 37373 39064 42408 42712 43176 43947 47208 47802 48051 49476 52266 55769 58596 60977 63736 64068 64764 68362 69688 70812 71703 72217 74214 74746 78399 87894 95604 96102 98952 102543 104532 111538 112119 117192 121954 128136 129528 136724 141624 143406 144434 148428 149492 151373 156798 165509 167307 175788 182931 191208 192204 205086 209064 216651 223076 224238 243908 273448 286812 288868 296856 298984 302746 307629 313596 331018 334614 336357 351576 365862 384408 410172 433302 446152 448476 454119 487816 496527 501921 505519 548793 573624 577736 605492 615258 627192 649953 662036 669228 672714 731724 820344 866604 896952 908238 993054 1003842 1011038 1059611 1097586 1158563 1210984 1230516 1299906 1324072 1338456 1345428 1362357 1372123 1463448 1489581 1516557 1733208 1816476 1986108 2007684 2022076 2119222 2195172 2238727 2317126 2461032 2599812 2690856 2724714 2744246 2979162 3033114 3178833 3475689 3632952 3972216 4015368 4044152 4116369 4238444 4390344 4477454 4549671 4634252 5199624 5449428 5488492 5958324 6066228 6357666 6716181 6951378 8232738 8476888 8954908 9099342 9268504 9536499 9604861 10427067 10898856 10976984 11916648 12132456 12349107 12715332 13432362 13902756 15671089 16465476 17909816 18198684 19072998 19209722 20148543 20854134 24698214 25430664 26864724 27805512 28814583 31342178 32930952 36397368 38145996 38419444 40297086 41708268 42535813 47013267 49396428 53729448 57629166 62684356 76291992 76838888 80594172 83416536 85071626 86443749 94026534 98792856 115258332 125368712 127607439 141039801 161188344 170143252 172887498 188053068 230516664 255214878 282079602 297750691 340286504 345774996 376106136 382822317 510429756 564159204 595501382 691549992 765644634 893252073 1020859512 1128318408 1191002764 1531289268 1786504146 2382005528 2679756219 3062578536 3573008292 5359512438 7146016584 10719024876 21438049752
- Sum of all divisors σ(n): 72639590400
- Sum of proper divisors (its aliquot sum) s(n): 51201540648
- 21438049752 is an abundant number, because the sum of its proper divisors (51201540648) is greater than itself. Its abundance is 29763490896
Bases of 21438049752
- Binary: 100111111011100111010101101110110002
- Hexadecimal: 0x4FDCEADD8
- Base-36: 9UJNT20
Squares and roots of 21438049752
- 21438049752 squared (214380497522) is 459589977169227261504
- 21438049752 cubed (214380497523) is 9852712796074438155517466347008
-
The
square root of 21438049752 is 146417.3820009087 -
The
cube root of 21438049752 is 2777.9755870517
Scales and comparisons
How big is 21438049752?- 21,438,049,752 seconds is equal to 681 years, 34 weeks, 3 days, 13 hours, 49 minutes, 12 seconds.
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To count from 1 to 21,438,049,752 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 21438049752 cubic inches would be around 231.5 feet tall.
Recreational maths with 21438049752
- 21438049752 backwards is 25794083412
- The number of decimal digits it has is: 11
- The sum of 21438049752's digits is 45
- More coming soon!
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