21001913800
21,001,913,800 is an even composite number composed of seven prime numbers multiplied together.
21001913800 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 21001913800:
23 × 52 × 7 × 41 × 43 × 67 × 127
(2 × 2 × 2 × 5 × 5 × 7 × 41 × 43 × 67 × 127)See below for interesting mathematical facts about the number 21001913800 from the Numbermatics database.
Names of 21001913800
- Cardinal: 21001913800 can be written as Twenty-one billion, one million, nine hundred thirteen thousand, eight hundred.
Scientific notation
- Scientific notation: 2.10019138 × 1010
Factors of 21001913800
Divisors of 21001913800
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 4 5 7 8 10 14 20 25 28 35 40 41 43 50 56 67 70 82 86 100 127 134 140 164 172 175 200 205 215 254 268 280 287 301 328 335 344 350 410 430 469 508 536 574 602 635 670 700 820 860 889 938 1016 1025 1075 1148 1204 1270 1340 1400 1435 1505 1640 1675 1720 1763 1778 1876 2050 2150 2296 2345 2408 2540 2680 2747 2870 2881 3010 3175 3350 3526 3556 3752 4100 4300 4445 4690 5080 5207 5461 5494 5740 5762 6020 6350 6700 7052 7112 7175 7525 8200 8509 8600 8815 8890 9380 10414 10922 10988 11480 11524 11725 12040 12341 12700 13400 13735 14104 14350 14405 15050 17018 17630 17780 18760 19229 20167 20828 21844 21976 22225 23048 23450 24682 25400 26035 27305 27470 28700 28810 30100 34036 35260 35560 36449 38227 38458 40334 41656 42545 43688 44075 44450 46900 49364 52070 54610 54940 57400 57620 59563 60200 61705 68072 68675 70520 72025 72898 76454 76916 80668 85090 88150 88900 93800 96145 98728 100835 104140 109220 109880 115240 118121 119126 123410 130175 136525 137350 144050 145796 152908 153832 161336 170180 176300 177800 182245 191135 192290 201670 208280 212725 218440 223901 236242 238252 246820 260350 273050 274700 288100 291592 297815 305816 308525 340360 348869 352600 364490 365887 382270 384580 403340 425450 447802 472484 476504 480725 493640 504175 520700 546100 549400 576200 590605 595630 617050 697738 728980 731774 764540 769160 806680 826847 850900 895604 911225 944968 955675 961450 1008350 1041400 1092200 1119505 1181210 1191260 1234100 1395476 1457960 1463548 1489075 1529080 1567307 1653694 1701800 1744345 1791208 1822450 1829435 1911350 1922900 2016700 2239010 2362420 2382520 2442083 2468200 2561209 2790952 2927096 2953025 2978150 3134614 3307388 3488690 3644900 3658870 3822700 3845800 4033400 4134235 4478020 4724840 4884166 5122418 5597525 5906050 5956300 6269228 6614776 6977380 7289800 7317740 7645400 7836535 8268470 8721725 8956040 9147175 9768332 10244836 11195050 11812100 11912600 12210415 12538456 12806045 13954760 14635480 15001367 15673070 16536940 17443450 18294350 19536664 20489672 20671175 22390100 23624200 24420830 25612090 30002734 31346140 33073880 34886900 36588700 39182675 41342350 44780200 48841660 51224180 60005468 61052075 62692280 64030225 69773800 73177400 75006835 78365350 82684700 97683320 102448360 105009569 120010936 122104150 128060450 150013670 156730700 165369400 210019138 244208300 256120900 300027340 313461400 375034175 420038276 488416600 512241800 525047845 600054680 750068350 840076552 1050095690 1500136700 2100191380 2625239225 3000273400 4200382760 5250478450 10500956900 21001913800
- Sum of all divisors σ(n): 59836170240
- Sum of proper divisors (its aliquot sum) s(n): 38834256440
- 21001913800 is an abundant number, because the sum of its proper divisors (38834256440) is greater than itself. Its abundance is 17832342640
Bases of 21001913800
- Binary: 100111000111100111111000101110010002
- Hexadecimal: 0x4E3CFC5C8
- Base-36: 9NBZWEG
Squares and roots of 21001913800
- 21001913800 squared (210019138002) is 441080383262630440000
- 21001913800 cubed (210019138003) is 9263532188152727262136072000000
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The
square root of 21001913800 is 144920.3705487949 -
The
cube root of 21001913800 is 2759.0079838209
Scales and comparisons
How big is 21001913800?- 21,001,913,800 seconds is equal to 667 years, 41 weeks, 2 days, 16 hours, 56 minutes, 40 seconds.
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To count from 1 to 21,001,913,800 would take you about one thousand, three hundred thirty-five 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 21001913800 cubic inches would be around 229.9 feet tall.
Recreational maths with 21001913800
- 21001913800 backwards is 00831910012
- 21001913800 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21001913800's digits is 25
- More coming soon!
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The information we have on file for 21001913800 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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