21220488640
21,220,488,640 is an even composite number composed of five prime numbers multiplied together.
21220488640 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twelve divisors.
Prime factorization of 21220488640:
26 × 5 × 13 × 37 × 137867
(2 × 2 × 2 × 2 × 2 × 2 × 5 × 13 × 37 × 137867)See below for interesting mathematical facts about the number 21220488640 from the Numbermatics database.
Names of 21220488640
- Cardinal: 21220488640 can be written as Twenty-one billion, two hundred twenty million, four hundred eighty-eight thousand, six hundred forty.
Scientific notation
- Scientific notation: 2.122048864 × 1010
Factors of 21220488640
Divisors of 21220488640
- Number of divisors d(n): 112
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Complete list of divisors:
1 2 4 5 8 10 13 16 20 26 32 37 40 52 64 65 74 80 104 130 148 160 185 208 260 296 320 370 416 481 520 592 740 832 962 1040 1184 1480 1924 2080 2368 2405 2960 3848 4160 4810 5920 7696 9620 11840 15392 19240 30784 38480 76960 137867 153920 275734 551468 689335 1102936 1378670 1792271 2205872 2757340 3584542 4411744 5101079 5514680 7169084 8823488 8961355 10202158 11029360 14338168 17922710 20404316 22058720 25505395 28676336 35845420 40808632 44117440 51010790 57352672 66314027 71690840 81617264 102021580 114705344 132628054 143381680 163234528 204043160 265256108 286763360 326469056 331570135 408086320 530512216 573526720 663140270 816172640 1061024432 1326280540 1632345280 2122048864 2652561080 4244097728 5305122160 10610244320 21220488640
- Sum of all divisors σ(n): 55889481312
- Sum of proper divisors (its aliquot sum) s(n): 34668992672
- 21220488640 is an abundant number, because the sum of its proper divisors (34668992672) is greater than itself. Its abundance is 13448504032
Bases of 21220488640
- Binary: 100111100001101011011110101110000002
- Hexadecimal: 0x4F0D6F5C0
- Base-36: 9QY4PTS
Squares and roots of 21220488640
- 21220488640 squared (212204886402) is 450309138120369049600
- 21220488640 cubed (212204886403) is 9555779949971482369644396544000
-
The
square root of 21220488640 is 145672.5390730867 -
The
cube root of 21220488640 is 2768.5463159259
Scales and comparisons
How big is 21220488640?- 21,220,488,640 seconds is equal to 674 years, 38 weeks, 5 days, 12 hours, 10 minutes, 40 seconds.
-
To count from 1 to 21,220,488,640 would take you about one thousand, three hundred forty-nine 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 21220488640 cubic inches would be around 230.7 feet tall.
Recreational maths with 21220488640
- 21220488640 backwards is 04688402212
- 21220488640 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21220488640's digits is 37
- More coming soon!
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