21664740240
21,664,740,240 is an even composite number composed of seven prime numbers multiplied together.
21664740240 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of nine hundred sixty divisors.
Prime factorization of 21664740240:
24 × 32 × 5 × 113 × 13 × 37 × 47
(2 × 2 × 2 × 2 × 3 × 3 × 5 × 11 × 11 × 11 × 13 × 37 × 47)See below for interesting mathematical facts about the number 21664740240 from the Numbermatics database.
Names of 21664740240
- Cardinal: 21664740240 can be written as Twenty-one billion, six hundred sixty-four million, seven hundred forty thousand, two hundred forty.
Scientific notation
- Scientific notation: 2.166474024 × 1010
Factors of 21664740240
Divisors of 21664740240
- Number of divisors d(n): 960
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 11 12 13 15 16 18 20 22 24 26 30 33 36 37 39 40 44 45 47 48 52 55 60 65 66 72 74 78 80 88 90 94 99 104 110 111 117 120 121 130 132 141 143 144 148 156 165 176 180 185 188 195 198 208 220 222 234 235 240 242 260 264 282 286 296 312 330 333 360 363 370 376 390 396 407 423 429 440 444 468 470 481 484 495 517 520 528 555 564 572 585 592 605 611 624 660 666 705 715 720 726 740 752 780 792 814 846 858 880 888 936 940 962 968 990 1034 1040 1089 1110 1128 1144 1170 1210 1221 1222 1287 1320 1331 1332 1410 1430 1443 1452 1480 1551 1560 1573 1584 1628 1665 1692 1716 1739 1776 1815 1833 1872 1880 1924 1936 1980 2035 2068 2115 2145 2178 2220 2256 2288 2340 2405 2420 2442 2444 2574 2585 2640 2662 2664 2820 2860 2886 2904 2960 3055 3102 3120 3146 3256 3330 3384 3432 3478 3630 3663 3666 3760 3848 3960 3993 4070 4136 4230 4290 4329 4356 4440 4477 4653 4680 4719 4810 4840 4884 4888 5148 5170 5217 5291 5324 5328 5445 5499 5640 5687 5720 5772 5808 6105 6110 6204 6292 6435 6512 6655 6660 6721 6768 6864 6956 7215 7260 7326 7332 7696 7755 7865 7920 7986 8140 8272 8460 8580 8658 8695 8712 8880 8954 9165 9306 9360 9438 9620 9680 9768 9776 10296 10340 10434 10582 10648 10890 10998 11280 11374 11440 11544 11979 12210 12220 12408 12584 12870 13310 13320 13431 13442 13912 14157 14430 14520 14652 14664 15510 15651 15730 15873 15972 16280 16920 17061 17160 17303 17316 17390 17424 17908 18315 18330 18612 18876 19129 19240 19536 19965 20163 20592 20680 20868 21164 21296 21645 21780 21996 22385 22607 22748 23088 23265 23595 23958 24420 24440 24816 25168 25740 26085 26455 26620 26640 26862 26884 27495 27824 28314 28435 28860 29040 29304 29328 31020 31302 31460 31746 31944 32560 33605 33840 34122 34320 34606 34632 34780 35816 36630 36660 37224 37752 38258 38480 39930 40293 40326 41360 41736 42328 43290 43560 43992 44770 45214 45496 46530 47190 47619 47916 48840 48880 49247 51183 51480 51909 52170 52910 53240 53724 53768 54990 56628 56870 57387 57720 58201 58608 59895 60489 62040 62557 62604 62920 63492 63888 67155 67210 67821 68244 69212 69264 69560 70785 71632 73260 73320 73931 74448 75504 76516 78255 79365 79860 80586 80652 83472 84656 85305 86515 86580 87120 87984 89540 90428 90992 93060 94380 95238 95645 95832 97680 98494 100815 102366 102960 103818 104340 105820 106480 107448 107536 109980 113035 113256 113740 114774 115440 116402 119790 120978 124080 125114 125208 125840 126984 134310 134420 135642 136488 138424 139120 141570 146520 146640 147741 147862 153032 155727 156510 158730 159720 161172 161304 170610 172161 173030 173160 174603 179080 180856 186120 187671 188760 190476 191290 191664 196988 201465 201630 203463 204732 207636 208680 210419 211640 214896 219960 221793 226070 226512 227480 229548 232804 238095 239580 241956 246235 248677 250228 250416 253968 255915 259545 268620 268840 271284 272976 276848 283140 286935 291005 293040 295482 295724 302445 306064 311454 312785 313020 317460 319440 322344 322608 339105 341220 344322 346060 346320 349206 358160 361712 369655 372240 375342 377520 380952 382580 393976 402930 403260 406926 409464 415272 417360 420838 423280 439920 443223 443586 452140 454960 459096 465608 476190 479160 483912 492470 497354 500456 511830 519090 523809 537240 537680 542568 563013 566280 573870 582010 590964 591448 604890 622908 625570 626040 631257 634920 640211 644688 665379 678210 682440 688644 692120 698412 738705 739310 746031 750684 761904 765160 778635 787952 805860 806520 813241 813852 818928 830544 841676 860805 873015 886446 887172 904280 918192 931216 938355 952380 958320 967824 984940 994708 1000912 1017315 1023660 1038180 1047618 1052095 1074480 1085136 1108965 1126026 1132560 1147740 1164020 1181928 1182896 1209780 1243385 1245816 1251140 1252080 1262514 1269840 1280422 1330758 1356420 1364880 1377288 1384240 1396824 1477410 1478620 1492062 1501368 1530320 1557270 1611720 1613040 1626482 1627704 1683352 1721610 1746030 1772892 1774344 1808560 1876710 1893771 1904760 1920633 1969880 1989416 2034630 2047320 2076360 2095236 2104190 2216115 2217930 2238093 2252052 2295480 2314609 2328040 2363856 2419560 2439723 2486770 2491632 2502280 2525028 2560844 2619045 2661516 2712840 2735447 2754576 2793648 2815065 2954820 2957240 2984124 3002736 3114540 3156285 3201055 3223440 3252964 3255408 3326895 3366704 3443220 3492060 3545784 3548688 3730155 3753420 3787542 3809520 3841266 3939760 3978832 4066205 4069260 4094640 4152720 4190472 4208380 4432230 4435860 4476186 4504104 4590960 4629218 4656080 4839120 4879446 4973540 5004560 5050056 5121688 5238090 5323032 5425680 5470894 5630130 5761899 5909640 5914480 5968248 6229080 6312570 6402110 6505928 6653790 6886440 6943827 6984120 7091568 7319169 7460310 7506840 7575084 7682532 8132410 8138520 8206341 8380944 8416760 8864460 8871720 8952372 9008208 9258436 9468855 9603165 9758892 9947080 10100112 10243376 10476180 10646064 10941788 11190465 11260260 11523798 11573045 11819280 11936496 12198615 12458160 12625140 12804220 13011856 13307580 13677235 13772880 13887654 13968240 14638338 14920620 15013680 15150168 15365064 16264820 16277040 16412682 16833520 17728920 17743440 17904744 18516872 18937710 19206330 19517784 19894160 20831481 20952360 21883576 22380930 22520520 23047596 23146090 24397230 24619023 25250280 25608440 26615160 27354470 27775308 28809495 29276676 29841240 30089917 30300336 30730128 32529640 32825364 34719135 35457840 35809488 36595845 37033744 37875420 38412660 39035568 41031705 41662962 41904720 43767152 44761860 45041040 46095192 46292180 48794460 49238046 50500560 51216880 53230320 54708940 55550616 57618990 58553352 59682480 60179834 65059280 65650728 69438270 73191690 75750840 76825320 82063410 83325924 89523720 90269751 92190384 92584360 97588920 98476092 104157405 109417880 111101232 115237980 117106704 120359668 123095115 131301456 138876540 146383380 150449585 151501680 153650640 164126820 166651848 179047440 180539502 185168720 195177840 196952184 208314810 218835760 230475960 240719336 246190230 270809253 277753080 292766760 300899170 328253640 333303696 361079004 393904368 416629620 451348755 460951920 481438672 492380460 541618506 555506160 585533520 601798340 656507280 722158008 833259240 902697510 984760920 1083237012 1203596680 1354046265 1444316016 1666518480 1805395020 1969521840 2166474024 2407193360 2708092530 3610790040 4332948048 5416185060 7221580080 10832370120 21664740240
- Sum of all divisors σ(n): 90396214272
- Sum of proper divisors (its aliquot sum) s(n): 68731474032
- 21664740240 is an abundant number, because the sum of its proper divisors (68731474032) is greater than itself. Its abundance is 47066733792
Bases of 21664740240
- Binary: 101000010110101000110110011100100002
- Hexadecimal: 0x50B51B390
- Base-36: 9YAMKK0
Squares and roots of 21664740240
- 21664740240 squared (216647402402) is 469360969666675257600
- 21664740240 cubed (216647402403) is 10168583486623038840339085824000
-
The
square root of 21664740240 is 147189.4705473187 -
The
cube root of 21664740240 is 2787.7329099225
Scales and comparisons
How big is 21664740240?- 21,664,740,240 seconds is equal to 688 years, 45 weeks, 2 days, 7 hours, 24 minutes.
-
To count from 1 to 21,664,740,240 would take you about one thousand, three hundred seventy-seven 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 21664740240 cubic inches would be around 232.3 feet tall.
Recreational maths with 21664740240
- 21664740240 backwards is 04204746612
- 21664740240 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21664740240's digits is 36
- More coming soon!
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The information we have on file for 21664740240 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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