21476779920
21,476,779,920 is an even composite number composed of five prime numbers multiplied together.
21476779920 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 21476779920:
24 × 32 × 5 × 23 × 1296907
(2 × 2 × 2 × 2 × 3 × 3 × 5 × 23 × 1296907)See below for interesting mathematical facts about the number 21476779920 from the Numbermatics database.
Names of 21476779920
- Cardinal: 21476779920 can be written as Twenty-one billion, four hundred seventy-six million, seven hundred seventy-nine thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 2.147677992 × 1010
Factors of 21476779920
Divisors of 21476779920
- Number of divisors d(n): 120
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 23 24 30 36 40 45 46 48 60 69 72 80 90 92 115 120 138 144 180 184 207 230 240 276 345 360 368 414 460 552 690 720 828 920 1035 1104 1380 1656 1840 2070 2760 3312 4140 5520 8280 16560 1296907 2593814 3890721 5187628 6484535 7781442 10375256 11672163 12969070 15562884 19453605 20750512 23344326 25938140 29828861 31125768 38907210 46688652 51876280 58360815 59657722 62251536 77814420 89486583 93377304 103752560 116721630 119315444 149144305 155628840 178973166 186754608 233443260 238630888 268459749 298288610 311257680 357946332 447432915 466886520 477261776 536919498 596577220 715892664 894865830 933773040 1073838996 1193154440 1342298745 1431785328 1789731660 2147677992 2386308880 2684597490 3579463320 4295355984 5369194980 7158926640 10738389960 21476779920
- Sum of all divisors σ(n): 75262165056
- Sum of proper divisors (its aliquot sum) s(n): 53785385136
- 21476779920 is an abundant number, because the sum of its proper divisors (53785385136) is greater than itself. Its abundance is 32308605216
Bases of 21476779920
- Binary: 101000000000001110110100111100100002
- Hexadecimal: 0x5001DA790
- Base-36: 9V6PXG0
Squares and roots of 21476779920
- 21476779920 squared (214767799202) is 461252075732115206400
- 21476779920 cubed (214767799203) is 9906209318141811163938175488000
-
The
square root of 21476779920 is 146549.5817803653 -
The
cube root of 21476779920 is 2779.6474856229
Scales and comparisons
How big is 21476779920?- 21,476,779,920 seconds is equal to 682 years, 46 weeks, 3 days, 20 hours, 12 minutes.
-
To count from 1 to 21,476,779,920 would take you about one thousand, three hundred sixty-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 21476779920 cubic inches would be around 231.6 feet tall.
Recreational maths with 21476779920
- 21476779920 backwards is 02997767412
- The number of decimal digits it has is: 11
- The sum of 21476779920's digits is 54
- More coming soon!
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Keywords: Divisors of 21476779920, math, Factors of 21476779920, curriculum, school, college, exams, university, Prime factorization of 21476779920, STEM, science, technology, engineering, physics, economics, calculator, twenty-one billion, four hundred seventy-six million, seven hundred seventy-nine thousand, nine hundred twenty.