21388008312
21,388,008,312 is an even composite number composed of seven prime numbers multiplied together.
21388008312 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of seven hundred sixty-eight divisors.
Prime factorization of 21388008312:
23 × 33 × 11 × 17 × 19 × 29 × 312
(2 × 2 × 2 × 3 × 3 × 3 × 11 × 17 × 19 × 29 × 31 × 31)See below for interesting mathematical facts about the number 21388008312 from the Numbermatics database.
Names of 21388008312
- Cardinal: 21388008312 can be written as Twenty-one billion, three hundred eighty-eight million, eight thousand, three hundred twelve.
Scientific notation
- Scientific notation: 2.1388008312 × 1010
Factors of 21388008312
Divisors of 21388008312
- Number of divisors d(n): 768
-
Complete list of divisors:
1 2 3 4 6 8 9 11 12 17 18 19 22 24 27 29 31 33 34 36 38 44 51 54 57 58 62 66 68 72 76 87 88 93 99 102 108 114 116 124 132 136 152 153 171 174 186 187 198 204 209 216 228 232 248 261 264 279 297 306 319 323 341 342 348 372 374 396 408 418 456 459 493 513 522 527 551 558 561 589 594 612 627 638 646 682 684 696 744 748 783 792 836 837 899 918 957 961 969 986 1023 1026 1044 1054 1102 1116 1122 1178 1188 1224 1254 1276 1292 1364 1368 1479 1496 1566 1581 1653 1672 1674 1683 1767 1798 1836 1881 1914 1922 1938 1972 2046 2052 2088 2108 2204 2232 2244 2356 2376 2508 2552 2584 2697 2728 2871 2883 2907 2958 3069 3132 3162 3306 3348 3366 3534 3553 3596 3672 3762 3828 3844 3876 3944 4092 4104 4216 4408 4437 4488 4712 4743 4959 5016 5049 5301 5394 5423 5643 5742 5766 5797 5814 5916 6061 6138 6264 6324 6479 6612 6696 6732 7068 7106 7192 7524 7656 7688 7752 8091 8184 8613 8649 8721 8874 9207 9367 9486 9889 9918 10013 10098 10571 10602 10659 10788 10846 11286 11484 11532 11594 11628 11832 12122 12276 12648 12958 13224 13311 13464 14136 14212 14229 14877 15048 15283 15903 16182 16269 16337 17081 17226 17298 17391 17442 17748 18183 18259 18414 18734 18972 19437 19778 19836 20026 20196 21142 21204 21318 21576 21692 22572 22968 23064 23188 23256 24244 24273 24552 25916 25947 26622 27869 28101 28424 28458 29667 29754 30039 30566 31713 31806 31977 32364 32538 32674 34162 34452 34596 34782 34884 35496 36366 36518 36828 37468 37944 38874 39556 39672 40052 40392 42284 42408 42636 43384 45144 45849 46376 48488 48546 48807 49011 51243 51832 51894 52173 53244 54549 54777 55738 56202 56916 58311 59334 59508 60078 61132 63426 63612 63954 64728 65076 65348 68324 68904 69192 69564 69768 72732 73036 73656 74936 77748 79112 80104 83607 84303 84568 85272 89001 90117 91698 95139 95931 97092 97614 98022 102486 103037 103788 104346 106488 109098 109554 110143 111476 112404 113832 116622 118668 119016 120156 122264 126852 127224 127908 130152 130696 136648 137547 139128 145464 146072 146421 147033 153729 155496 156519 163647 164331 167214 168113 168606 174933 178002 179707 180234 183396 187891 190278 191862 194184 195228 196044 200849 204972 206074 207576 208692 218196 219108 220286 222952 224808 233244 237336 240312 250821 252909 253704 255816 267003 270351 275094 285417 290377 292842 294066 306559 307458 309111 310403 313038 327294 328662 330429 334428 336226 337212 349866 356004 359414 360468 366792 375782 380556 383724 390456 392088 401698 409944 412148 412641 417384 436392 438216 440572 441099 461187 466488 473773 492993 501642 504339 505818 529511 534006 539121 540702 550188 563673 570834 580754 585684 588132 602547 613118 614916 618222 620806 626076 654588 657324 660858 668856 672452 674424 699732 712008 718828 720936 751564 752463 761112 767448 803396 824296 825282 871131 881144 882198 919677 922374 927333 931209 947546 985986 991287 1003284 1008678 1011636 1059022 1068012 1078242 1081404 1100376 1127346 1141668 1161508 1171368 1176264 1205094 1226236 1229832 1236444 1241612 1252152 1309176 1314648 1321716 1344904 1399464 1421319 1437656 1503128 1504926 1513017 1588533 1606792 1617363 1650564 1691019 1742262 1764396 1807641 1839354 1844748 1854666 1862418 1895092 1971972 1982574 2006568 2017356 2023272 2118044 2136024 2156484 2162808 2254692 2283336 2323016 2410188 2452472 2472888 2483224 2613393 2643432 2759031 2781999 2793627 2842638 2973861 3009852 3026034 3177066 3194147 3234726 3301128 3382038 3414433 3484524 3528792 3615282 3678708 3689496 3709332 3724836 3790184 3943944 3965148 4034712 4236088 4263957 4312968 4509384 4539051 4765599 4820376 4852089 5073057 5211503 5226786 5422923 5518062 5563998 5587254 5685276 5824621 5947722 6019704 6052068 6354132 6388294 6469452 6764076 6828866 6969048 7230564 7357416 7418664 7449672 7840179 7930296 8277093 8380881 8527914 9001687 9078102 9531198 9582441 9704178 10146114 10243299 10423006 10453572 10845846 11036124 11127996 11174508 11370552 11649242 11895444 12104136 12708264 12776588 12791871 12938904 13528152 13657732 14296797 14461128 15634509 15680358 16554186 16761762 17055828 17473863 18003374 18156204 19062396 19164882 19408356 20292228 20486598 20846012 20907144 21691692 22072248 22255992 22349016 23298484 23790888 25553176 25583742 27005061 27315464 28593594 28747323 30729897 31269018 31360716 33108372 33523524 34111656 34947726 36006748 36312408 38124792 38329764 38816712 40584456 40973196 41692024 43383384 46596968 46903527 51167484 52421589 54010122 57187188 57494646 61459794 62538036 62721432 66216744 67047048 69895452 72013496 76659528 81015183 81946392 86241969 92189691 93807054 99018557 102334968 104843178 108020244 114374376 114989292 122919588 125076072 139790904 140710581 157264767 162030366 172483938 184379382 187614108 198037114 209686356 216040488 229978584 243045549 245839176 281421162 297055671 314529534 324060732 344967876 368758764 375228216 396074228 419372712 486091098 562842324 594111342 629059068 648121464 689935752 737517528 792148456 891167013 972182196 1125684648 1188222684 1258118136 1782334026 1944364392 2376445368 2673501039 3564668052 5347002078 7129336104 10694004156 21388008312
- Sum of all divisors σ(n): 77215680000
- Sum of proper divisors (its aliquot sum) s(n): 55827671688
- 21388008312 is an abundant number, because the sum of its proper divisors (55827671688) is greater than itself. Its abundance is 34439663376
Bases of 21388008312
- Binary: 100111110101101001100011011011110002
- Hexadecimal: 0x4FAD31B78
- Base-36: 9TPV8U0
Squares and roots of 21388008312
- 21388008312 squared (213880083122) is 457446899554181089344
- 21388008312 cubed (213880083123) is 9783878089963454233242686627328
-
The
square root of 21388008312 is 146246.3958940529 -
The
cube root of 21388008312 is 2775.8124207119
Scales and comparisons
How big is 21388008312?- 21,388,008,312 seconds is equal to 680 years, 3 weeks, 5 days, 9 hours, 25 minutes, 12 seconds.
-
To count from 1 to 21,388,008,312 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 21388008312 cubic inches would be around 231.3 feet tall.
Recreational maths with 21388008312
- 21388008312 backwards is 21380088312
- 21388008312 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21388008312's digits is 36
- More coming soon!
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The information we have on file for 21388008312 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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