20512991520
20,512,991,520 is an even composite number composed of six prime numbers multiplied together.
20512991520 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of seven hundred twenty divisors.
Prime factorization of 20512991520:
25 × 32 × 5 × 74 × 17 × 349
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 7 × 7 × 7 × 7 × 17 × 349)See below for interesting mathematical facts about the number 20512991520 from the Numbermatics database.
Names of 20512991520
- Cardinal: 20512991520 can be written as Twenty billion, five hundred twelve million, nine hundred ninety-one thousand, five hundred twenty.
Scientific notation
- Scientific notation: 2.051299152 × 1010
Factors of 20512991520
Divisors of 20512991520
- Number of divisors d(n): 720
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Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 14 15 16 17 18 20 21 24 28 30 32 34 35 36 40 42 45 48 49 51 56 60 63 68 70 72 80 84 85 90 96 98 102 105 112 119 120 126 136 140 144 147 153 160 168 170 180 196 204 210 224 238 240 245 252 255 272 280 288 294 306 315 336 340 343 349 357 360 392 408 420 441 476 480 490 504 510 544 560 588 595 612 630 672 680 686 698 714 720 735 765 784 816 833 840 882 952 980 1008 1020 1029 1047 1071 1120 1176 1190 1224 1260 1360 1372 1396 1428 1440 1470 1530 1568 1632 1666 1680 1715 1745 1764 1785 1904 1960 2016 2040 2058 2094 2142 2205 2352 2380 2401 2443 2448 2499 2520 2720 2744 2792 2856 2940 3060 3087 3141 3332 3360 3430 3490 3528 3570 3808 3920 4080 4116 4165 4188 4284 4410 4704 4760 4802 4886 4896 4998 5040 5145 5235 5355 5488 5584 5712 5831 5880 5933 6120 6174 6282 6664 6860 6980 7056 7140 7203 7329 7497 7840 8160 8232 8330 8376 8568 8820 9520 9604 9772 9996 10080 10290 10470 10710 10976 11168 11424 11662 11760 11866 12005 12215 12240 12348 12495 12564 13328 13720 13960 14112 14280 14406 14658 14994 15435 15705 16464 16660 16752 17101 17136 17493 17640 17799 19040 19208 19544 19992 20580 20940 21420 21609 21987 23324 23520 23732 24010 24430 24480 24696 24990 25128 26656 27440 27920 28560 28812 29155 29316 29665 29988 30870 31410 32928 33320 33504 34202 34272 34986 35280 35598 36015 36645 37485 38416 39088 39984 40817 41160 41531 41880 42840 43218 43974 46648 47464 48020 48860 49392 49980 50256 51303 52479 53397 54880 55840 57120 57624 58310 58632 59330 59976 61740 62820 66640 68404 69972 70560 71196 72030 73290 74970 76832 78176 79968 81634 82320 83062 83760 85505 85680 86436 87465 87948 88995 93296 94928 96040 97720 98784 99960 100512 102606 104958 106794 108045 109935 115248 116620 117264 118660 119707 119952 122451 123480 124593 125640 133280 136808 139944 142392 144060 146580 149940 153909 163268 164640 166124 167520 171010 171360 172872 174930 175896 177990 186592 189856 192080 195440 199920 204085 205212 207655 209916 213588 216090 219870 230496 233240 234528 237320 239414 239904 244902 246960 249186 251280 256515 262395 266985 273616 279888 284784 288120 290717 293160 299880 307818 326536 332248 342020 345744 349860 351792 355980 359121 367353 373779 384160 390880 399840 408170 410424 415310 419832 427176 432180 439740 466480 474640 478828 489804 493920 498372 502560 513030 524790 533970 547232 559776 569568 576240 581434 586320 598535 599760 612255 615636 622965 653072 664496 684040 691488 699720 703584 711960 718242 734706 747558 769545 816340 820848 830620 837949 839664 854352 864360 872151 879480 932960 949280 957656 979608 996744 1026060 1049580 1067940 1077363 1152480 1162868 1172640 1197070 1199520 1224510 1231272 1245930 1306144 1328992 1368080 1399440 1423920 1436484 1453585 1469412 1495116 1539090 1632680 1641696 1661240 1675898 1679328 1708704 1728720 1744302 1758960 1795605 1836765 1868895 1915312 1959216 1993488 2035019 2052120 2099160 2135880 2154726 2325736 2394140 2449020 2462544 2491860 2513847 2616453 2736160 2798880 2847840 2872968 2907170 2938824 2990232 3078180 3265360 3322480 3351796 3457440 3488604 3517920 3591210 3673530 3737790 3830624 3918432 3986976 4070038 4104240 4189745 4198320 4271760 4309452 4360755 4651472 4788280 4898040 4925088 4983720 5027694 5232906 5386815 5745936 5814340 5877648 5980464 6105057 6156360 6530720 6644960 6703592 6977208 7182420 7347060 7475580 7541541 8140076 8208480 8379490 8396640 8543520 8618904 8721510 9302944 9576560 9796080 9967440 10055388 10175095 10465812 10773630 11491872 11628680 11755296 11960928 12210114 12312720 12569235 13082265 13407184 13954416 14245133 14364840 14694120 14951160 15083082 16280152 16758980 17237808 17443020 18315171 19153120 19592160 19934880 20110776 20350190 20931624 21547260 23257360 24420228 24625440 25138470 26164530 26814368 27908832 28490266 28729680 29388240 29902320 30166164 30525285 32560304 33517960 34475616 34886040 36630342 37707705 40221552 40700380 41863248 42735399 43094520 46514720 48840456 50276940 52329060 56980532 57459360 58776480 59804640 60332328 61050570 65120608 67035920 69772080 71225665 73260684 75415410 80443104 81400760 83726496 85470798 86189040 91575855 97680912 100553880 104658120 113961064 120664656 122101140 128206197 134071840 139544160 142451330 146521368 150830820 162801520 170941596 172378080 183151710 195361824 201107760 209316240 213676995 227922128 241329312 244202280 256412394 284902660 293042736 301661640 325603040 341883192 366303420 402215520 418632480 427353990 455844256 488404560 512824788 569805320 586085472 603323280 641030985 683766384 732606840 854707980 976809120 1025649576 1139610640 1206646560 1282061970 1367532768 1465213680 1709415960 2051299152 2279221280 2564123940 2930427360 3418831920 4102598304 5128247880 6837663840 10256495760 20512991520
- Sum of all divisors σ(n): 86713918200
- Sum of proper divisors (its aliquot sum) s(n): 66200926680
- 20512991520 is an abundant number, because the sum of its proper divisors (66200926680) is greater than itself. Its abundance is 45687935160
Bases of 20512991520
- Binary: 100110001101010101101101001001000002
- Hexadecimal: 0x4C6AB6920
- Base-36: 9F8WLK0
Squares and roots of 20512991520
- 20512991520 squared (205129915202) is 420782821099591910400
- 20512991520 cubed (205129915203) is 8631514440977605933495799808000
-
The
square root of 20512991520 is 143223.5718029683 -
The
cube root of 20512991520 is 2737.4298594653
Scales and comparisons
How big is 20512991520?- 20,512,991,520 seconds is equal to 652 years, 12 weeks, 6 days, 21 hours, 12 minutes.
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To count from 1 to 20,512,991,520 would take you about one thousand, three hundred four 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 20512991520 cubic inches would be around 228.1 feet tall.
Recreational maths with 20512991520
- 20512991520 backwards is 02519921502
- 20512991520 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 20512991520's digits is 36
- More coming soon!
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The information we have on file for 20512991520 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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