21491352960
21,491,352,960 is an even composite number composed of seven prime numbers multiplied together.
21491352960 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 21491352960:
27 × 3 × 5 × 72 × 11 × 19 × 1093
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 7 × 7 × 11 × 19 × 1093)See below for interesting mathematical facts about the number 21491352960 from the Numbermatics database.
Names of 21491352960
- Cardinal: 21491352960 can be written as Twenty-one billion, four hundred ninety-one million, three hundred fifty-two thousand, nine hundred sixty.
Scientific notation
- Scientific notation: 2.149135296 × 1010
Factors of 21491352960
Divisors of 21491352960
- Number of divisors d(n): 768
-
Complete list of divisors:
1 2 3 4 5 6 7 8 10 11 12 14 15 16 19 20 21 22 24 28 30 32 33 35 38 40 42 44 48 49 55 56 57 60 64 66 70 76 77 80 84 88 95 96 98 105 110 112 114 120 128 132 133 140 147 152 154 160 165 168 176 190 192 196 209 210 220 224 228 231 240 245 264 266 280 285 294 304 308 320 330 336 352 380 384 385 392 399 418 420 440 448 456 462 480 490 528 532 539 560 570 588 608 616 627 640 660 665 672 704 735 760 770 784 798 836 840 880 896 912 924 931 960 980 1045 1056 1064 1078 1093 1120 1140 1155 1176 1216 1232 1254 1320 1330 1344 1408 1463 1470 1520 1540 1568 1596 1617 1672 1680 1760 1824 1848 1862 1920 1960 1995 2090 2112 2128 2156 2186 2240 2280 2310 2352 2432 2464 2508 2640 2660 2688 2695 2793 2926 2940 3040 3080 3135 3136 3192 3234 3279 3344 3360 3520 3648 3696 3724 3920 3990 4180 4224 4256 4312 4372 4389 4480 4560 4620 4655 4704 4928 5016 5280 5320 5390 5465 5586 5852 5880 6080 6160 6270 6272 6384 6468 6558 6688 6720 7040 7296 7315 7392 7448 7651 7840 7980 8085 8360 8512 8624 8744 8778 9120 9240 9310 9408 9856 10032 10241 10560 10640 10780 10930 11172 11704 11760 12023 12160 12320 12540 12768 12936 13116 13376 13440 13965 14630 14784 14896 15302 15680 15960 16170 16395 16720 17024 17248 17488 17556 18240 18480 18620 18816 20064 20482 20767 21120 21280 21560 21860 21945 22344 22953 23408 23520 24046 24640 25080 25536 25872 26232 26752 27930 29260 29568 29792 30604 30723 31360 31920 32340 32790 33440 34496 34976 35112 36069 36480 36960 37240 38255 40128 40964 41534 42560 43120 43720 43890 44688 45906 46816 47040 48092 49280 50160 51072 51205 51744 52464 53557 55860 58520 59584 60115 61208 61446 62301 63840 64680 65580 66880 68992 69952 70224 72138 73920 74480 76510 80256 81928 83068 84161 85120 86240 87440 87780 89376 91812 93632 94080 96184 100320 102410 103488 103835 104928 107114 111720 114765 117040 119168 120230 122416 122892 124602 127680 129360 131160 133760 139904 140448 144276 145369 147840 148960 153020 153615 160671 163856 166136 168322 172480 174880 175560 178752 180345 183624 187264 192368 200640 204820 206976 207670 209856 214228 223440 228437 229530 234080 240460 244832 245784 249204 252483 255360 258720 262320 267785 280896 288552 290738 297920 306040 307230 311505 321342 327712 332272 336644 344960 349760 351120 357504 360690 367248 384736 401280 409640 415340 419712 420805 428456 436107 446880 456874 459060 468160 480920 489664 491568 498408 504966 517440 524640 535570 561792 577104 581476 589127 595840 612080 614460 623010 642684 655424 664544 673288 685311 699520 702240 721380 726845 734496 769472 803355 819280 830680 841610 856912 872214 893760 913748 918120 936320 961840 979328 983136 996816 1009932 1017583 1034880 1049280 1071140 1142185 1154208 1162952 1178254 1224160 1228920 1246020 1262415 1285368 1310848 1329088 1346576 1370622 1404480 1442760 1453690 1468992 1538944 1599059 1606710 1638560 1661360 1683220 1713824 1744428 1767381 1787520 1827496 1836240 1923680 1966272 1993632 2019864 2035166 2098560 2142280 2180535 2284370 2308416 2325904 2356508 2448320 2457840 2492040 2524830 2570736 2658176 2693152 2741244 2808960 2885520 2907380 2937984 2945635 3052749 3198118 3213420 3277120 3322720 3366440 3426555 3427648 3488856 3534762 3654992 3672480 3847360 3932544 3987264 4039728 4070332 4284560 4361070 4568740 4616832 4651808 4713016 4797177 4896640 4915680 4984080 5049660 5087915 5141472 5386304 5482488 5771040 5814760 5891270 6105498 6396236 6426840 6554240 6645440 6732880 6853110 6855296 6977712 7069524 7309984 7344960 7694720 7974528 7995295 8079456 8140664 8569120 8722140 8836905 9137480 9303616 9426032 9594354 9831360 9968160 10099320 10175830 10282944 10772608 10964976 11193413 11542080 11629520 11782540 12210996 12792472 12853680 13290880 13465760 13706220 13955424 14139048 14619968 14689920 15263745 15990590 16158912 16281328 17138240 17444280 17673810 18274960 18607232 18852064 19188708 19662720 19936320 20198640 20351660 20565888 21929952 22386826 23084160 23259040 23565080 23985885 24421992 25584944 25707360 26931520 27412440 27910848 28278096 29239936 30527490 31981180 32317824 32562656 33580239 34276480 34888560 35347620 36549920 37704128 38377416 39872640 40397280 40703320 43859904 44773652 46518080 47130160 47971770 48843984 51169888 51414720 53863040 54824880 55821696 55967065 56556192 61054980 63962360 65125312 67160478 69777120 70695240 73099840 75408256 76754832 80794560 81406640 87719808 89547304 93036160 94260320 95943540 97687968 102339776 102829440 109649760 111934130 113112384 122109960 127924720 130250624 134320956 139554240 141390480 146199680 153509664 161589120 162813280 167901195 179094608 188520640 191887080 195375936 204679552 219299520 223868260 226224768 244219920 255849440 268641912 279108480 282780960 307019328 325626560 335802390 358189216 377041280 383774160 390751872 438599040 447736520 488439840 511698880 537283824 565561920 614038656 651253120 671604780 716378432 767548320 895473040 976879680 1023397760 1074567648 1131123840 1343209560 1432756864 1535096640 1790946080 1953759360 2149135296 2686419120 3070193280 3581892160 4298270592 5372838240 7163784320 10745676480 21491352960
- Sum of all divisors σ(n): 91591430400
- Sum of proper divisors (its aliquot sum) s(n): 70100077440
- 21491352960 is an abundant number, because the sum of its proper divisors (70100077440) is greater than itself. Its abundance is 48608724480
Bases of 21491352960
- Binary: 101000000001111110000000101100000002
- Hexadecimal: 0x500FC0580
- Base-36: 9VFEA2O
Squares and roots of 21491352960
- 21491352960 squared (214913529602) is 461878252051300761600
- 21491352960 cubed (214913529603) is 9926388539382348694662414336000
-
The
square root of 21491352960 is 146599.2938591451 -
The
cube root of 21491352960 is 2780.2760521553
Scales and comparisons
How big is 21491352960?- 21,491,352,960 seconds is equal to 683 years, 18 weeks, 4 days, 12 hours, 16 minutes.
-
To count from 1 to 21,491,352,960 would take you about one thousand, three hundred sixty-six 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 21491352960 cubic inches would be around 231.7 feet tall.
Recreational maths with 21491352960
- 21491352960 backwards is 06925319412
- 21491352960 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21491352960's digits is 42
- More coming soon!
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The information we have on file for 21491352960 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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