21308690800
21,308,690,800 is an even composite number composed of six prime numbers multiplied together.
21308690800 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 21308690800:
24 × 52 × 17 × 47 × 61 × 1093
(2 × 2 × 2 × 2 × 5 × 5 × 17 × 47 × 61 × 1093)See below for interesting mathematical facts about the number 21308690800 from the Numbermatics database.
Names of 21308690800
- Cardinal: 21308690800 can be written as Twenty-one billion, three hundred eight million, six hundred ninety thousand, eight hundred.
Scientific notation
- Scientific notation: 2.13086908 × 1010
Factors of 21308690800
Divisors of 21308690800
- Number of divisors d(n): 240
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Complete list of divisors:
1 2 4 5 8 10 16 17 20 25 34 40 47 50 61 68 80 85 94 100 122 136 170 188 200 235 244 272 305 340 376 400 425 470 488 610 680 752 799 850 940 976 1037 1093 1175 1220 1360 1525 1598 1700 1880 2074 2186 2350 2440 2867 3050 3196 3400 3760 3995 4148 4372 4700 4880 5185 5465 5734 6100 6392 6800 7990 8296 8744 9400 10370 10930 11468 12200 12784 14335 15980 16592 17488 18581 18800 19975 20740 21860 22936 24400 25925 27325 28670 31960 37162 39950 41480 43720 45872 48739 51371 51850 54650 57340 63920 66673 71675 74324 79900 82960 87440 92905 97478 102742 103700 109300 114680 133346 143350 148648 159800 185810 194956 205484 207400 218600 229360 243695 256855 266692 286700 297296 319600 333365 371620 389912 410968 414800 437200 464525 487390 513710 533384 573400 666730 743240 779824 821936 873307 929050 974780 1027420 1066768 1133441 1146800 1218475 1284275 1333460 1486480 1666825 1746614 1858100 1949560 2054840 2266882 2436950 2568550 2666920 3133631 3333650 3493228 3716200 3899120 4109680 4366535 4533764 4873900 5137100 5333840 5667205 6267262 6667300 6986456 7432400 8733070 9067528 9747800 10274200 11334410 12534524 13334600 13972912 15668155 17466140 18135056 19495600 20548400 21832675 22668820 25069048 26669200 28336025 31336310 34932280 43665350 45337640 50138096 53271727 56672050 62672620 69864560 78340775 87330700 90675280 106543454 113344100 125345240 156681550 174661400 213086908 226688200 250690480 266358635 313363100 349322800 426173816 453376400 532717270 626726200 852347632 1065434540 1253452400 1331793175 2130869080 2663586350 4261738160 5327172700 10654345400 21308690800
- Sum of all divisors σ(n): 56317859712
- Sum of proper divisors (its aliquot sum) s(n): 35009168912
- 21308690800 is an abundant number, because the sum of its proper divisors (35009168912) is greater than itself. Its abundance is 13700478112
Bases of 21308690800
- Binary: 100111101100001100011010001011100002
- Hexadecimal: 0x4F618D170
- Base-36: 9SEN71S
Squares and roots of 21308690800
- 21308690800 squared (213086908002) is 454060303610004640000
- 21308690800 cubed (213086908003) is 9675430614179712660325312000000
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The
square root of 21308690800 is 145974.9663469733 -
The
cube root of 21308690800 is 2772.3767998153
Scales and comparisons
How big is 21308690800?- 21,308,690,800 seconds is equal to 677 years, 28 weeks, 4 days, 8 hours, 46 minutes, 40 seconds.
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To count from 1 to 21,308,690,800 would take you about one thousand, three hundred fifty-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 21308690800 cubic inches would be around 231 feet tall.
Recreational maths with 21308690800
- 21308690800 backwards is 00809680312
- The number of decimal digits it has is: 11
- The sum of 21308690800's digits is 37
- More coming soon!
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