21428029440
21,428,029,440 is an even composite number composed of six prime numbers multiplied together.
21428029440 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of seven hundred sixty-eight divisors.
Prime factorization of 21428029440:
211 × 33 × 5 × 17 × 47 × 97
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 17 × 47 × 97)See below for interesting mathematical facts about the number 21428029440 from the Numbermatics database.
Names of 21428029440
- Cardinal: 21428029440 can be written as Twenty-one billion, four hundred twenty-eight million, twenty-nine thousand, four hundred forty.
Scientific notation
- Scientific notation: 2.142802944 × 1010
Factors of 21428029440
Divisors of 21428029440
- Number of divisors d(n): 768
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 17 18 20 24 27 30 32 34 36 40 45 47 48 51 54 60 64 68 72 80 85 90 94 96 97 102 108 120 128 135 136 141 144 153 160 170 180 188 192 194 204 216 235 240 255 256 270 272 282 288 291 306 320 340 360 376 384 388 408 423 432 459 470 480 485 510 512 540 544 564 576 582 612 640 680 705 720 752 765 768 776 799 816 846 864 873 918 940 960 970 1020 1024 1080 1088 1128 1152 1164 1224 1269 1280 1360 1410 1440 1455 1504 1530 1536 1552 1598 1632 1649 1692 1728 1746 1836 1880 1920 1940 2040 2048 2115 2160 2176 2256 2295 2304 2328 2397 2448 2538 2560 2619 2720 2820 2880 2910 3008 3060 3072 3104 3196 3264 3298 3384 3456 3492 3672 3760 3840 3880 3995 4080 4230 4320 4352 4365 4512 4559 4590 4608 4656 4794 4896 4947 5076 5120 5238 5440 5640 5760 5820 6016 6120 6144 6208 6345 6392 6528 6596 6768 6912 6984 7191 7344 7520 7680 7760 7990 8160 8245 8460 8640 8704 8730 9024 9118 9180 9216 9312 9588 9792 9894 10152 10240 10476 10880 11280 11520 11640 11985 12032 12240 12416 12690 12784 13056 13095 13192 13536 13677 13824 13968 14382 14688 14841 15040 15360 15520 15980 16320 16490 16920 17280 17408 17460 18048 18236 18360 18432 18624 19176 19584 19788 20304 20952 21573 21760 22560 22795 23040 23280 23970 24064 24480 24735 24832 25380 25568 26112 26190 26384 27072 27354 27648 27936 28764 29376 29682 30080 30720 31040 31960 32640 32980 33840 34560 34816 34920 35955 36096 36472 36720 37248 38352 39168 39576 40608 41031 41904 43146 43520 44523 45120 45590 46080 46560 47940 48128 48960 49470 49664 50760 51136 52224 52380 52768 54144 54708 55296 55872 57528 58752 59364 60160 62080 63920 65280 65960 67680 68385 69120 69840 71910 72192 72944 73440 74205 74496 76704 77503 78336 79152 81216 82062 83808 86292 87040 89046 90240 91180 92160 93120 95880 96256 97920 98940 99328 101520 102272 104448 104760 105536 107865 108288 109416 111744 115056 117504 118728 120320 123093 124160 127840 130560 131920 135360 136770 138240 139680 143820 144384 145888 146880 148410 148992 153408 155006 156672 158304 162432 164124 167616 172584 174080 178092 180480 182360 186240 191760 195840 197880 198656 203040 204544 205155 209520 211072 215730 216576 218832 222615 223488 230112 232509 235008 237456 240640 246186 248320 255680 261120 263840 270720 273540 276480 279360 287640 288768 291776 293760 296820 297984 306816 310012 313344 316608 324864 328248 335232 345168 356184 360960 364720 372480 383520 387515 391680 395760 406080 409088 410310 419040 422144 431460 433152 437664 445230 446976 460224 465018 470016 474912 481280 492372 496640 511360 522240 527680 541440 547080 558720 575280 583552 587520 593640 595968 613632 615465 620024 633216 649728 656496 670464 690336 697527 712368 721920 729440 744960 767040 775030 783360 791520 812160 818176 820620 838080 844288 862920 866304 875328 890460 893952 920448 930036 940032 949824 984744 993280 1022720 1055360 1082880 1094160 1117440 1150560 1162545 1167104 1175040 1187280 1227264 1230930 1240048 1266432 1299456 1312992 1340928 1380672 1395054 1424736 1443840 1458880 1489920 1534080 1550060 1566720 1583040 1624320 1636352 1641240 1676160 1688576 1725840 1750656 1780920 1787904 1840896 1860072 1899648 1969488 2045440 2092581 2110720 2165760 2188320 2234880 2301120 2325090 2334208 2350080 2374560 2454528 2461860 2480096 2532864 2598912 2625984 2681856 2761344 2790108 2849472 2917760 2979840 3068160 3100120 3166080 3248640 3282480 3352320 3377152 3451680 3487635 3501312 3561840 3681792 3720144 3799296 3938976 4090880 4185162 4221440 4331520 4376640 4469760 4602240 4650180 4668416 4700160 4749120 4909056 4923720 4960192 5065728 5251968 5363712 5522688 5580216 5698944 5835520 6136320 6200240 6332160 6497280 6564960 6704640 6903360 6975270 7002624 7123680 7363584 7440288 7598592 7877952 8181760 8370324 8442880 8753280 8939520 9204480 9300360 9336832 9498240 9847440 9920384 10131456 10462905 10503936 11045376 11160432 11397888 11671040 12272640 12400480 12664320 12994560 13129920 13409280 13806720 13950540 14005248 14247360 14727168 14880576 15197184 15755904 16740648 16885760 17506560 18408960 18600720 18996480 19694880 19840768 20925810 21007872 22090752 22320864 22795776 23342080 24545280 24800960 25328640 26259840 26818560 27613440 27901080 28010496 28494720 29761152 30394368 31511808 33481296 35013120 36817920 37201440 37992960 39389760 39681536 41851620 42015744 44181504 44641728 45591552 46684160 49601920 50657280 52519680 55226880 55802160 56989440 59522304 63023616 66962592 70026240 73635840 74402880 75985920 78779520 79363072 83703240 84031488 89283456 91183104 99203840 105039360 110453760 111604320 113978880 119044608 126047232 133925184 140052480 148805760 151971840 157559040 158726144 167406480 178566912 198407680 210078720 220907520 223208640 227957760 238089216 252094464 267850368 297611520 315118080 334812960 357133824 396815360 420157440 446417280 455915520 476178432 535700736 595223040 630236160 669625920 714267648 793630720 892834560 1071401472 1190446080 1260472320 1339251840 1428535296 1785669120 2142802944 2380892160 2678503680 3571338240 4285605888 5357007360 7142676480 10714014720 21428029440
- Sum of all divisors σ(n): 83215641600
- Sum of proper divisors (its aliquot sum) s(n): 61787612160
- 21428029440 is an abundant number, because the sum of its proper divisors (61787612160) is greater than itself. Its abundance is 40359582720
Bases of 21428029440
- Binary: 100111111010011010111001000000000002
- Hexadecimal: 0x4FD35C800
- Base-36: 9UDP1C0
Squares and roots of 21428029440
- 21428029440 squared (214280294402) is 459160445681506713600
- 21428029440 cubed (214280294403) is 9838903547746846722578448384000
-
The
square root of 21428029440 is 146383.1596871717 -
The
cube root of 21428029440 is 2777.5427037669
Scales and comparisons
How big is 21428029440?- 21,428,029,440 seconds is equal to 681 years, 17 weeks, 6 days, 14 hours, 24 minutes.
-
To count from 1 to 21,428,029,440 would take you about one thousand, three hundred sixty-two 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 21428029440 cubic inches would be around 231.5 feet tall.
Recreational maths with 21428029440
- 21428029440 backwards is 04492082412
- 21428029440 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21428029440's digits is 36
- More coming soon!
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The information we have on file for 21428029440 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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