21395311000
21,395,311,000 is an even composite number composed of five prime numbers multiplied together.
21395311000 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 21395311000:
23 × 53 × 75 × 19 × 67
(2 × 2 × 2 × 5 × 5 × 5 × 7 × 7 × 7 × 7 × 7 × 19 × 67)See below for interesting mathematical facts about the number 21395311000 from the Numbermatics database.
Names of 21395311000
- Cardinal: 21395311000 can be written as Twenty-one billion, three hundred ninety-five million, three hundred eleven thousand.
Scientific notation
- Scientific notation: 2.1395311 × 1010
Factors of 21395311000
Divisors of 21395311000
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 4 5 7 8 10 14 19 20 25 28 35 38 40 49 50 56 67 70 76 95 98 100 125 133 134 140 152 175 190 196 200 245 250 266 268 280 335 343 350 380 392 469 475 490 500 532 536 665 670 686 700 760 875 931 938 950 980 1000 1064 1225 1273 1330 1340 1372 1400 1675 1715 1750 1862 1876 1900 1960 2345 2375 2401 2450 2546 2660 2680 2744 3283 3325 3350 3430 3500 3724 3752 3800 4655 4690 4750 4802 4900 5092 5320 6125 6365 6517 6566 6650 6700 6860 7000 7448 8375 8575 8911 9310 9380 9500 9604 9800 10184 11725 12005 12250 12730 13034 13132 13300 13400 13720 16415 16625 16750 16807 17150 17822 18620 18760 19000 19208 22981 23275 23450 24010 24500 25460 26068 26264 26600 31825 32585 32830 33250 33500 33614 34300 35644 37240 42875 44555 45619 45962 46550 46900 48020 49000 50920 52136 58625 60025 62377 63650 65170 65660 66500 67000 67228 68600 71288 82075 84035 85750 89110 91238 91924 93100 93800 96040 114905 116375 117250 120050 124754 127300 130340 131320 133000 134456 159125 160867 162925 164150 168070 171500 178220 182476 183848 186200 222775 228095 229810 232750 234500 240100 249508 254600 260680 300125 311885 318250 319333 321734 325850 328300 336140 343000 356440 364952 410375 420175 436639 445550 456190 459620 465500 469000 480200 499016 574525 600250 623770 636500 638666 643468 651700 656600 672280 804335 814625 820750 840350 873278 891100 912380 919240 931000 1113875 1126069 1140475 1149050 1200500 1247540 1273000 1277332 1286936 1303400 1559425 1596665 1608670 1629250 1641500 1680700 1746556 1782200 1824760 2100875 2183195 2227750 2252138 2280950 2298100 2401000 2495080 2554664 2872625 3056473 3118850 3193330 3217340 3258500 3283000 3361400 3493112 4021675 4201750 4366390 4455500 4504276 4561900 4596200 5630345 5702375 5745250 6112946 6237700 6386660 6434680 6517000 7797125 7983325 8043350 8403500 8732780 8911000 9008552 9123800 10915975 11260690 11404750 11490500 12225892 12475400 12773320 15282365 15594250 15966650 16086700 16807000 17465560 20108375 21395311 21831950 22521380 22809500 22981000 24451784 28151725 30564730 31188500 31933300 32173400 39916625 40216750 42790622 43663900 45042760 45619000 54579875 56303450 61129460 62377000 63866600 76411825 79833250 80433500 85581244 87327800 106976555 109159750 112606900 122258920 140758625 152823650 159666500 160867000 171162488 213953110 218319500 225213800 281517250 305647300 319333000 382059125 427906220 436639000 534882775 563034500 611294600 764118250 855812440 1069765550 1126069000 1528236500 2139531100 2674413875 3056473000 4279062200 5348827750 10697655500 21395311000
- Sum of all divisors σ(n): 62400499200
- Sum of proper divisors (its aliquot sum) s(n): 41005188200
- 21395311000 is an abundant number, because the sum of its proper divisors (41005188200) is greater than itself. Its abundance is 19609877200
Bases of 21395311000
- Binary: 100111110110100001010001001100110002
- Hexadecimal: 0x4FB428998
- Base-36: 9TU7RMG
Squares and roots of 21395311000
- 21395311000 squared (213953110002) is 457759332786721000000
- 21395311000 cubed (213953110003) is 9793903288124392465231000000000
-
The
square root of 21395311000 is 146271.3608332131 -
The
cube root of 21395311000 is 2776.1283077753
Scales and comparisons
How big is 21395311000?- 21,395,311,000 seconds is equal to 680 years, 15 weeks, 5 days, 21 hours, 56 minutes, 40 seconds.
-
To count from 1 to 21,395,311,000 would take you about one thousand, three hundred sixty 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 21395311000 cubic inches would be around 231.3 feet tall.
Recreational maths with 21395311000
- 21395311000 backwards is 00011359312
- 21395311000 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21395311000's digits is 25
- More coming soon!
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