21357835020
21,357,835,020 is an even composite number composed of six prime numbers multiplied together.
21357835020 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 21357835020:
22 × 32 × 5 × 19 × 31 × 201451
(2 × 2 × 3 × 3 × 5 × 19 × 31 × 201451)See below for interesting mathematical facts about the number 21357835020 from the Numbermatics database.
Names of 21357835020
- Cardinal: 21357835020 can be written as Twenty-one billion, three hundred fifty-seven million, eight hundred thirty-five thousand and twenty.
Scientific notation
- Scientific notation: 2.135783502 × 1010
Factors of 21357835020
Divisors of 21357835020
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 5 6 9 10 12 15 18 19 20 30 31 36 38 45 57 60 62 76 90 93 95 114 124 155 171 180 186 190 228 279 285 310 342 372 380 465 558 570 589 620 684 855 930 1116 1140 1178 1395 1710 1767 1860 2356 2790 2945 3420 3534 5301 5580 5890 7068 8835 10602 11780 17670 21204 26505 35340 53010 106020 201451 402902 604353 805804 1007255 1208706 1813059 2014510 2417412 3021765 3626118 3827569 4029020 6043530 6244981 7252236 7655138 9065295 11482707 12087060 12489962 15310276 18130590 18734943 19137845 22965414 24979924 31224905 34448121 36261180 37469886 38275690 45930828 56204829 57413535 62449810 68896242 74939772 76551380 93674715 112409658 114827070 118654639 124899620 137792484 172240605 187349430 224819316 229654140 237309278 281024145 344481210 355963917 374698860 474618556 562048290 593273195 688962420 711927834 1067891751 1124096580 1186546390 1423855668 1779819585 2135783502 2373092780 3559639170 4271567004 5339458755 7119278340 10678917510 21357835020
- Sum of all divisors σ(n): 70395386880
- Sum of proper divisors (its aliquot sum) s(n): 49037551860
- 21357835020 is an abundant number, because the sum of its proper divisors (49037551860) is greater than itself. Its abundance is 27679716840
Bases of 21357835020
- Binary: 100111110010000011010110011000011002
- Hexadecimal: 0x4F906B30C
- Base-36: 9T7WIZ0
Squares and roots of 21357835020
- 21357835020 squared (213578350202) is 456157116741538400400
- 21357835020 cubed (213578350203) is 9742528442564657136737902008000
-
The
square root of 21357835020 is 146143.2003892073 -
The
cube root of 21357835020 is 2774.5064737133
Scales and comparisons
How big is 21357835020?- 21,357,835,020 seconds is equal to 679 years, 5 weeks, 6 days, 3 hours, 57 minutes.
-
To count from 1 to 21,357,835,020 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 21357835020 cubic inches would be around 231.2 feet tall.
Recreational maths with 21357835020
- 21357835020 backwards is 02053875312
- 21357835020 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21357835020's digits is 36
- More coming soon!
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The information we have on file for 21357835020 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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