21238309440
21,238,309,440 is an even composite number composed of six prime numbers multiplied together.
21238309440 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of six hundred seventy-two divisors.
Prime factorization of 21238309440:
26 × 32 × 5 × 173 × 19 × 79
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 17 × 17 × 17 × 19 × 79)See below for interesting mathematical facts about the number 21238309440 from the Numbermatics database.
Names of 21238309440
- Cardinal: 21238309440 can be written as Twenty-one billion, two hundred thirty-eight million, three hundred nine thousand, four hundred forty.
Scientific notation
- Scientific notation: 2.123830944 × 1010
Factors of 21238309440
Divisors of 21238309440
- Number of divisors d(n): 672
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 17 18 19 20 24 30 32 34 36 38 40 45 48 51 57 60 64 68 72 76 79 80 85 90 95 96 102 114 120 136 144 152 153 158 160 170 171 180 190 192 204 228 237 240 255 272 285 288 289 304 306 316 320 323 340 342 360 380 395 408 456 474 480 510 544 570 576 578 608 612 632 646 680 684 711 720 760 765 790 816 855 867 912 948 960 969 1020 1088 1140 1156 1185 1216 1224 1264 1292 1343 1360 1368 1422 1440 1445 1501 1520 1530 1580 1615 1632 1710 1734 1824 1896 1938 2040 2280 2312 2370 2448 2528 2584 2601 2686 2720 2736 2844 2880 2890 2907 3002 3040 3060 3160 3230 3264 3420 3468 3555 3648 3792 3876 4029 4080 4335 4503 4560 4624 4740 4845 4896 4913 5056 5168 5202 5372 5440 5472 5491 5688 5780 5814 6004 6080 6120 6320 6460 6715 6840 6936 7110 7505 7584 7752 8058 8160 8670 9006 9120 9248 9480 9690 9792 9826 10336 10404 10744 10944 10982 11376 11560 11628 12008 12087 12240 12640 12920 13005 13430 13509 13680 13872 14220 14535 14739 15010 15168 15504 16116 16320 16473 17340 18012 18240 18496 18960 19380 19652 20145 20672 20808 21488 21964 22515 22752 22831 23120 23256 24016 24174 24480 24565 25280 25517 25840 26010 26860 27018 27360 27455 27744 28440 29070 29478 30020 31008 32232 32946 34680 36024 37920 38760 39304 40290 41616 42976 43928 44217 45030 45504 45662 46240 46512 48032 48348 48960 49130 49419 51034 51680 52020 53720 54036 54720 54910 55488 56880 58140 58956 60040 60435 62016 64464 65892 67545 68493 69360 72048 73695 75840 76551 77520 78608 80580 82365 83232 85952 87856 88434 90060 91324 92480 93024 93347 96064 96696 98260 98838 102068 103360 104040 107440 108072 109820 113760 114155 116280 117912 120080 120870 127585 128928 131784 135090 136986 138720 144096 147390 153102 155040 157216 161160 164730 166464 175712 176868 180120 182648 186048 186694 193392 196520 197676 204136 205479 208080 214880 216144 219640 221085 227520 228310 229653 232560 235824 240160 241740 247095 255170 257856 263568 270180 273972 277440 280041 288192 294780 306204 310080 314432 322320 329460 342465 351424 353736 360240 365296 373388 382755 386784 388127 393040 395352 408272 410958 416160 429760 432288 433789 439280 442170 456620 459306 465120 466735 471648 480320 483480 494190 510340 527136 540360 547944 560082 589560 612408 644640 658920 684930 707472 720480 730592 746776 765510 773568 776254 786080 790704 816544 821916 832320 840123 864576 867578 878560 884340 913240 918612 930240 933470 943296 966960 988380 1020680 1027395 1054272 1080720 1095888 1120164 1148265 1164381 1179120 1224816 1289280 1301367 1317840 1369860 1400205 1414944 1440960 1461184 1493552 1531020 1552508 1572160 1581408 1633088 1643832 1680246 1735156 1757120 1768680 1826480 1837224 1866940 1933920 1940635 1976760 2041360 2054790 2161440 2168945 2191776 2240328 2296530 2328762 2358240 2449632 2602734 2635680 2739720 2800410 2829888 2987104 3062040 3105016 3162816 3287664 3360492 3470312 3493143 3537360 3652960 3674448 3733880 3867840 3881270 3904101 3953520 4082720 4109580 4200615 4322880 4337890 4383552 4480656 4593060 4657524 4716480 4899264 5205468 5271360 5479440 5600820 5821905 5974208 6124080 6210032 6506835 6575328 6720984 6940624 6986286 7074720 7305920 7348896 7374413 7467760 7762540 7808202 7907040 8165440 8219160 8401230 8675780 8961312 9186120 9315048 10410936 10958880 11201640 11643810 12248160 12420064 13013670 13150656 13441968 13881248 13972572 14149440 14697792 14748826 14935520 15525080 15616404 15814080 16438320 16802460 17351560 17465715 17922624 18372240 18630096 19520505 20821872 21917760 22123239 22403280 23287620 24496320 24840128 26027340 26883936 27762496 27945144 29497652 29871040 31050160 31232808 32876640 33604920 34703120 34931430 36744480 36872065 37260192 39041010 41643744 44246478 44806560 46575240 52054680 53767872 55890288 58995304 62100320 62465616 65753280 66369717 67209840 69406240 69862860 73488960 73744130 74520384 78082020 83287488 88492956 89613120 93150480 104109360 110616195 111780576 117990608 124200640 124931232 132739434 134419680 138812480 139725720 147488260 156164040 176985912 186300960 208218720 221232390 223561152 235981216 249862464 265478868 268839360 279451440 294976520 312328080 331848585 353971824 372601920 416437440 442464780 471962432 530957736 558902880 589953040 624656160 663697170 707943648 884929560 1061915472 1117805760 1179906080 1249312320 1327394340 1415887296 1769859120 2123830944 2359812160 2654788680 3539718240 4247661888 5309577360 7079436480 10619154720 21238309440
- Sum of all divisors σ(n): 82734912000
- Sum of proper divisors (its aliquot sum) s(n): 61496602560
- 21238309440 is an abundant number, because the sum of its proper divisors (61496602560) is greater than itself. Its abundance is 40258293120
Bases of 21238309440
- Binary: 100111100011110011011100010010000002
- Hexadecimal: 0x4F1E6E240
- Base-36: 9R8QOG0
Squares and roots of 21238309440
- 21238309440 squared (212383094402) is 451065787869193113600
- 21238309440 cubed (212383094403) is 9579874780563321589753872384000
-
The
square root of 21238309440 is 145733.6935646661 -
The
cube root of 21238309440 is 2769.3211002441
Scales and comparisons
How big is 21238309440?- 21,238,309,440 seconds is equal to 675 years, 16 weeks, 1 day, 18 hours, 24 minutes.
-
To count from 1 to 21,238,309,440 would take you about one thousand, three hundred fifty 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 21238309440 cubic inches would be around 230.8 feet tall.
Recreational maths with 21238309440
- 21238309440 backwards is 04490383212
- 21238309440 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21238309440's digits is 36
- More coming soon!
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The information we have on file for 21238309440 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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