21494265520
21,494,265,520 is an even composite number composed of seven prime numbers multiplied together.
21494265520 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of four hundred eighty divisors.
Prime factorization of 21494265520:
24 × 5 × 72 × 13 × 17 × 43 × 577
(2 × 2 × 2 × 2 × 5 × 7 × 7 × 13 × 17 × 43 × 577)See below for interesting mathematical facts about the number 21494265520 from the Numbermatics database.
Names of 21494265520
- Cardinal: 21494265520 can be written as Twenty-one billion, four hundred ninety-four million, two hundred sixty-five thousand, five hundred twenty.
Scientific notation
- Scientific notation: 2.149426552 × 1010
Factors of 21494265520
Divisors of 21494265520
- Number of divisors d(n): 480
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Complete list of divisors:
1 2 4 5 7 8 10 13 14 16 17 20 26 28 34 35 40 43 49 52 56 65 68 70 80 85 86 91 98 104 112 119 130 136 140 170 172 182 196 208 215 221 238 245 260 272 280 301 340 344 364 392 430 442 455 476 490 520 559 560 577 595 602 637 680 688 728 731 784 833 860 884 910 952 980 1040 1105 1118 1154 1190 1204 1274 1360 1456 1462 1505 1547 1666 1720 1768 1820 1904 1960 2107 2210 2236 2308 2380 2408 2548 2795 2885 2924 3010 3094 3185 3332 3440 3536 3640 3655 3913 3920 4039 4165 4214 4420 4472 4616 4760 4816 5096 5117 5590 5770 5848 6020 6188 6370 6664 7280 7310 7501 7735 7826 8078 8330 8428 8840 8944 9232 9503 9520 9809 10192 10234 10535 10829 11180 11540 11696 12040 12376 12740 13328 14620 15002 15470 15652 16156 16660 16856 17680 19006 19565 19618 20195 20468 21070 21658 22360 23080 24080 24752 24811 25480 25585 27391 28273 29240 30004 30940 31304 32312 33320 33712 35819 37505 38012 39130 39236 40390 40936 42140 43316 44720 46160 47515 49045 49622 50960 51170 52507 54145 54782 56546 58480 60008 61880 62608 64624 66521 66640 68663 71638 75010 76024 78260 78472 80780 81872 84280 86632 95030 98090 99244 102340 105014 108290 109564 113092 120016 123760 124055 127517 133042 136955 137326 141365 143276 150020 152048 156520 156944 161560 168560 173264 173677 179095 190060 196180 198488 204680 210028 216580 219128 226184 248110 255034 262535 266084 273910 274652 282730 286552 300040 313040 322543 323120 332605 343315 347354 358190 367549 380120 392360 396976 409360 420056 421787 433160 438256 452368 465647 480641 496220 510068 525070 532168 547820 549304 565460 573104 600080 637585 645086 665210 686630 694708 716380 735098 760240 784720 840112 843574 866320 868385 892619 931294 961282 992440 1020136 1050140 1064336 1095640 1098608 1130920 1215739 1275170 1290172 1330420 1373260 1389416 1432760 1470196 1612715 1687148 1736770 1785238 1837745 1862588 1922564 1984880 2040272 2100280 2108935 2191280 2257801 2261840 2328235 2403205 2431478 2550340 2580344 2660840 2746520 2778832 2865520 2940392 2952509 3225430 3374296 3473540 3570476 3675490 3725176 3845128 4200560 4217870 4463095 4515602 4656470 4806410 4862956 5100680 5160688 5321680 5483231 5493040 5880784 5905018 6078695 6248333 6450860 6748592 6947080 7140952 7350980 7450352 7690256 8435740 8926190 9031204 9312940 9612820 9725912 10201360 10966462 11289005 11810036 12157390 12496666 12901720 13894160 14281904 14701960 14762545 15804607 16871480 17852380 18062408 18625880 19225640 19451824 20667563 21932924 22578010 23620072 24314780 24993332 25803440 27416155 29403920 29525090 31241665 31609214 33742960 35704760 36124816 37251760 38382617 38451280 41335126 43865848 45156020 47240144 48629560 49986664 54832310 59050180 62483330 63218428 71409520 76765234 79023035 82670252 87731696 90312040 97259120 99973328 103337815 109664620 118100360 124966660 126436856 153530468 158046070 165340504 180624080 191913085 206675630 219329240 236200720 249933320 252873712 268678319 307060936 316092140 330681008 383826170 413351260 438658480 499866640 537356638 614121872 632184280 767652340 826702520 1074713276 1264368560 1343391595 1535304680 1653405040 2149426552 2686783190 3070609360 4298853104 5373566380 10747132760 21494265520
- Sum of all divisors σ(n): 67946776128
- Sum of proper divisors (its aliquot sum) s(n): 46452510608
- 21494265520 is an abundant number, because the sum of its proper divisors (46452510608) is greater than itself. Its abundance is 24958245088
Bases of 21494265520
- Binary: 101000000010010100001110110101100002
- Hexadecimal: 0x5012876B0
- Base-36: 9VH4PF4
Squares and roots of 21494265520
- 21494265520 squared (214942655202) is 462003450244260870400
- 21494265520 cubed (214942655203) is 9930424830706252004523908608000
-
The
square root of 21494265520 is 146609.2272675905 -
The
cube root of 21494265520 is 2780.4016430547
Scales and comparisons
How big is 21494265520?- 21,494,265,520 seconds is equal to 683 years, 23 weeks, 3 days, 5 hours, 18 minutes, 40 seconds.
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To count from 1 to 21,494,265,520 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 21494265520 cubic inches would be around 231.7 feet tall.
Recreational maths with 21494265520
- 21494265520 backwards is 02556249412
- 21494265520 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21494265520's digits is 40
- More coming soon!
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