21428396640
21,428,396,640 is an even composite number composed of seven prime numbers multiplied together.
21428396640 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 21428396640:
25 × 33 × 5 × 7 × 17 × 73 × 571
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 7 × 17 × 73 × 571)See below for interesting mathematical facts about the number 21428396640 from the Numbermatics database.
Names of 21428396640
- Cardinal: 21428396640 can be written as Twenty-one billion, four hundred twenty-eight million, three hundred ninety-six thousand, six hundred forty.
Scientific notation
- Scientific notation: 2.142839664 × 1010
Factors of 21428396640
Divisors of 21428396640
- Number of divisors d(n): 768
-
Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 14 15 16 17 18 20 21 24 27 28 30 32 34 35 36 40 42 45 48 51 54 56 60 63 68 70 72 73 80 84 85 90 96 102 105 108 112 119 120 126 135 136 140 144 146 153 160 168 170 180 189 204 210 216 219 224 238 240 252 255 270 272 280 288 292 306 315 336 340 357 360 365 378 408 420 432 438 459 476 480 504 510 511 540 544 560 571 584 595 612 630 657 672 680 714 720 730 756 765 816 840 864 876 918 945 952 1008 1020 1022 1071 1080 1095 1120 1142 1168 1190 1224 1241 1260 1314 1360 1428 1440 1460 1512 1530 1533 1632 1680 1713 1752 1785 1836 1890 1904 1971 2016 2040 2044 2142 2160 2190 2284 2295 2336 2380 2448 2482 2520 2555 2628 2720 2855 2856 2920 3024 3060 3066 3213 3285 3360 3426 3504 3570 3672 3723 3780 3808 3942 3997 4080 4088 4284 4320 4380 4568 4590 4599 4760 4896 4964 5040 5110 5139 5256 5355 5710 5712 5840 6048 6120 6132 6205 6426 6570 6852 7008 7140 7344 7446 7560 7665 7884 7994 8160 8176 8565 8568 8687 8760 9136 9180 9198 9520 9707 9855 9928 10080 10220 10278 10512 10710 11169 11420 11424 11680 11991 12240 12264 12410 12852 13140 13704 13797 14280 14688 14892 15120 15330 15417 15768 15988 16065 16352 17130 17136 17374 17520 18272 18360 18396 18615 19040 19414 19710 19856 19985 20440 20556 21024 21420 22338 22840 22995 23982 24480 24528 24820 25695 25704 26061 26280 27408 27594 28560 29121 29784 30240 30660 30834 31536 31976 32130 33507 34260 34272 34748 35040 35973 36720 36792 37230 38828 39420 39712 39970 40880 41112 41683 42840 43435 44676 45680 45990 47964 48535 49056 49640 51390 51408 52122 52560 54816 55188 55845 57120 58242 59568 59955 61320 61668 63072 63952 64260 67014 67949 68520 68985 69496 71946 73440 73584 74460 77085 77656 78183 78840 79940 81760 82224 83366 85680 86870 87363 89352 91360 91980 95928 97070 99280 102780 102816 104244 105120 107919 110376 111690 116484 119136 119910 122640 123336 125049 127904 128520 130305 134028 135898 137040 137970 138992 143892 145605 147168 148920 154170 155312 156366 157680 159880 164448 166732 167535 171360 173740 174726 178704 179865 183960 191856 194140 198560 203847 205560 208415 208488 215838 220752 223380 232968 234549 239820 245280 246672 250098 257040 260610 262089 268056 271796 274080 275940 277984 287784 291210 291781 297840 308340 310624 312732 315360 319760 333464 335070 339745 347480 349452 357408 359730 367920 375147 383712 388280 390915 407694 411120 416830 416976 431676 436815 441504 446760 465936 469098 479640 493344 500196 514080 521220 524178 536112 539595 543592 551880 575568 582420 583562 595680 611541 616680 625245 625464 639520 666928 670140 679490 694960 698904 708611 719460 735840 750294 776560 781830 815388 822240 833660 833952 863352 873630 875343 893520 931872 938196 959280 1000392 1019235 1042440 1048356 1072224 1079190 1087184 1103760 1125441 1151136 1164840 1167124 1172745 1223082 1233360 1250490 1250928 1310445 1333856 1340280 1358980 1389920 1397808 1417222 1438920 1458905 1500588 1553120 1563660 1630776 1667320 1726704 1747260 1750686 1787040 1834623 1875735 1876392 1918560 2000784 2038470 2084880 2096712 2125833 2158380 2174368 2207520 2250882 2329680 2334248 2345490 2446164 2466720 2500980 2501856 2620890 2626029 2680560 2717960 2795616 2834444 2877840 2917810 3001176 3057705 3127320 3261552 3334640 3453408 3494520 3501372 3543055 3669246 3751470 3752784 4001568 4076940 4169760 4193424 4251666 4316760 4376715 4501764 4659360 4668496 4690980 4892328 4960277 5001960 5241780 5252058 5361120 5435920 5627205 5668888 5755680 5835620 6002352 6115410 6254640 6377499 6523104 6669280 6989040 7002744 7086110 7338492 7502940 7505568 7878087 8153880 8386848 8503332 8633520 8753430 9003528 9173115 9336992 9381960 9784656 9920554 10003920 10483560 10504116 10629165 10871840 11254410 11337776 11671240 12004704 12230820 12509280 12754998 13130145 13978080 14005488 14172220 14676984 14880831 15005880 15756174 16307760 17006664 17267040 17506860 18007056 18346230 18763920 19132497 19569312 19841108 20007840 20967120 21008232 21258330 22508820 22675552 23342480 24461640 24801385 25509996 26260290 28010976 28344440 29353968 29761662 30011760 31512348 31887495 32615520 34013328 35013720 36014112 36692460 37527840 38264994 39390435 39682216 41934240 42016464 42516660 44642493 45017640 46684960 48923280 49602770 51019992 52520580 56688880 58707936 59523324 60023520 63024696 63774990 68026656 70027440 73384920 74404155 76529988 78780870 79364432 84032928 85033320 89284986 90035280 95662485 97846560 99205540 102039984 105041160 113377760 119046648 126049392 127549980 133927479 140054880 146769840 148808310 153059976 157561740 158728864 170066640 178569972 180070560 191324970 198411080 204079968 210082320 223212465 238093296 252098784 255099960 267854958 293539680 297616620 306119952 315123480 340133280 357139944 382649940 396822160 420164640 446424930 476186592 510199920 535709916 595233240 612239904 630246960 669637395 714279888 765299880 793644320 892849860 1020399840 1071419832 1190466480 1260493920 1339274790 1428559776 1530599760 1785699720 2142839664 2380932960 2678549580 3061199520 3571399440 4285679328 5357099160 7142798880 10714198320 21428396640
- Sum of all divisors σ(n): 92159907840
- Sum of proper divisors (its aliquot sum) s(n): 70731511200
- 21428396640 is an abundant number, because the sum of its proper divisors (70731511200) is greater than itself. Its abundance is 49303114560
Bases of 21428396640
- Binary: 100111111010011101101100010011000002
- Hexadecimal: 0x4FD3B6260
- Base-36: 9UDWWO0
Squares and roots of 21428396640
- 21428396640 squared (214283966402) is 459176182561163289600
- 21428396640 cubed (214283966403) is 9839409367561658029355986944000
-
The
square root of 21428396640 is 146384.4139244339 -
The
cube root of 21428396640 is 2777.5585694017
Scales and comparisons
How big is 21428396640?- 21,428,396,640 seconds is equal to 681 years, 18 weeks, 3 days, 20 hours, 24 minutes.
-
To count from 1 to 21,428,396,640 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 21428396640 cubic inches would be around 231.5 feet tall.
Recreational maths with 21428396640
- 21428396640 backwards is 04669382412
- 21428396640 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21428396640's digits is 45
- More coming soon!
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The information we have on file for 21428396640 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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