21314649920
21,314,649,920 is an even composite number composed of four prime numbers multiplied together.
21314649920 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of fifty-six divisors.
Prime factorization of 21314649920:
26 × 5 × 19 × 3505699
(2 × 2 × 2 × 2 × 2 × 2 × 5 × 19 × 3505699)See below for interesting mathematical facts about the number 21314649920 from the Numbermatics database.
Names of 21314649920
- Cardinal: 21314649920 can be written as Twenty-one billion, three hundred fourteen million, six hundred forty-nine thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 2.131464992 × 1010
Factors of 21314649920
Divisors of 21314649920
- Number of divisors d(n): 56
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Complete list of divisors:
1 2 4 5 8 10 16 19 20 32 38 40 64 76 80 95 152 160 190 304 320 380 608 760 1216 1520 3040 6080 3505699 7011398 14022796 17528495 28045592 35056990 56091184 66608281 70113980 112182368 133216562 140227960 224364736 266433124 280455920 333041405 532866248 560911840 666082810 1065732496 1121823680 1332165620 2131464992 2664331240 4262929984 5328662480 10657324960 21314649920
- Sum of all divisors σ(n): 53426868000
- Sum of proper divisors (its aliquot sum) s(n): 32112218080
- 21314649920 is an abundant number, because the sum of its proper divisors (32112218080) is greater than itself. Its abundance is 10797568160
Bases of 21314649920
- Binary: 100111101100111001110111111010000002
- Hexadecimal: 0x4F673BF40
- Base-36: 9SI6X4W
Squares and roots of 21314649920
- 21314649920 squared (213146499202) is 454314301212156006400
- 21314649920 cubed (213146499203) is 9683550283986536924841279488000
-
The
square root of 21314649920 is 145995.3763651439 -
The
cube root of 21314649920 is 2772.6352137237
Scales and comparisons
How big is 21314649920?- 21,314,649,920 seconds is equal to 677 years, 38 weeks, 3 days, 8 hours, 5 minutes, 20 seconds.
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To count from 1 to 21,314,649,920 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 21314649920 cubic inches would be around 231.1 feet tall.
Recreational maths with 21314649920
- 21314649920 backwards is 02994641312
- The number of decimal digits it has is: 11
- The sum of 21314649920's digits is 41
- More coming soon!
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