21356379520
21,356,379,520 is an even composite number composed of six prime numbers multiplied together.
21356379520 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 21356379520:
27 × 5 × 72 × 23 × 29 × 1021
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 7 × 23 × 29 × 1021)See below for interesting mathematical facts about the number 21356379520 from the Numbermatics database.
Names of 21356379520
- Cardinal: 21356379520 can be written as Twenty-one billion, three hundred fifty-six million, three hundred seventy-nine thousand, five hundred twenty.
Scientific notation
- Scientific notation: 2.135637952 × 1010
Factors of 21356379520
Divisors of 21356379520
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 23 28 29 32 35 40 46 49 56 58 64 70 80 92 98 112 115 116 128 140 145 160 161 184 196 203 224 230 232 245 280 290 320 322 368 392 406 448 460 464 490 560 580 640 644 667 736 784 805 812 896 920 928 980 1015 1021 1120 1127 1160 1288 1334 1421 1472 1568 1610 1624 1840 1856 1960 2030 2042 2240 2254 2320 2576 2668 2842 2944 3136 3220 3248 3335 3680 3712 3920 4060 4084 4480 4508 4640 4669 5105 5152 5336 5635 5684 6272 6440 6496 6670 7105 7147 7360 7840 8120 8168 9016 9280 9338 10210 10304 10672 11270 11368 12880 12992 13340 14210 14294 14720 15680 16240 16336 18032 18560 18676 20420 20608 21344 22540 22736 23345 23483 25760 25984 26680 28420 28588 29609 31360 32480 32672 32683 35735 36064 37352 40840 42688 45080 45472 46690 46966 50029 51520 53360 56840 57176 59218 64960 65344 65366 71470 72128 74704 81680 85376 90160 90944 93380 93932 100058 103040 106720 113680 114352 117415 118436 129920 130688 130732 142940 144256 148045 149408 163360 163415 164381 180320 181888 186760 187864 200116 207263 213440 227360 228704 234830 236872 250145 261464 285880 296090 298816 326720 326830 328762 360640 373520 375728 400232 414526 426880 454720 457408 469660 473744 500290 522928 571760 592180 597632 653440 653660 657524 681007 721280 747040 751456 800464 821905 829052 909440 914816 939320 947488 1000580 1036315 1045856 1143520 1150667 1184360 1307320 1315048 1362014 1450841 1494080 1502912 1600928 1643810 1658104 1878640 1894976 2001160 2072630 2091712 2287040 2301334 2368720 2614640 2630096 2724028 2901682 2988160 3005824 3201856 3287620 3316208 3405035 3757280 3789952 4002320 4145260 4183424 4574080 4602668 4737440 4767049 5229280 5260192 5448056 5753335 5803364 6403712 6575240 6632416 6810070 7254205 7514560 8004640 8290520 9205336 9474880 9534098 10458560 10520384 10896112 11506670 11606728 13150480 13264832 13620140 14508410 15029120 16009280 16581040 18410672 18949760 19068196 20917120 21040768 21792224 23013340 23213456 23835245 26300960 26529664 27240280 29016820 32018560 33162080 33369343 36821344 38136392 43584448 46026680 46426912 47670490 52601920 54480560 58033640 66324160 66738686 73642688 76272784 87168896 92053360 92853824 95340980 105203840 108961120 116067280 132648320 133477372 147285376 152545568 166846715 184106720 185707648 190681960 217922240 232134560 266954744 305091136 333693430 368213440 381363920 435844480 464269120 533909488 610182272 667386860 736426880 762727840 928538240 1067818976 1334773720 1525455680 2135637952 2669547440 3050911360 4271275904 5339094880 10678189760 21356379520
- Sum of all divisors σ(n): 64172606400
- Sum of proper divisors (its aliquot sum) s(n): 42816226880
- 21356379520 is an abundant number, because the sum of its proper divisors (42816226880) is greater than itself. Its abundance is 21459847360
Bases of 21356379520
- Binary: 100111110001111000001111101100000002
- Hexadecimal: 0x4F8F07D80
- Base-36: 9T71BWG
Squares and roots of 21356379520
- 21356379520 squared (213563795202) is 456094946202275430400
- 21356379520 cubed (213563795203) is 9740536768249776779193745408000
-
The
square root of 21356379520 is 146138.2205995407 -
The
cube root of 21356379520 is 2774.4434463215
Scales and comparisons
How big is 21356379520?- 21,356,379,520 seconds is equal to 679 years, 3 weeks, 3 days, 7 hours, 38 minutes, 40 seconds.
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To count from 1 to 21,356,379,520 would take you about one thousand, three hundred fifty-eight 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 21356379520 cubic inches would be around 231.2 feet tall.
Recreational maths with 21356379520
- 21356379520 backwards is 02597365312
- The number of decimal digits it has is: 11
- The sum of 21356379520's digits is 43
- More coming soon!
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