21420196723440
21,420,196,723,440 is an even composite number composed of five prime numbers multiplied together.
21420196723440 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 21420196723440:
24 × 32 × 5 × 151 × 197021677
(2 × 2 × 2 × 2 × 3 × 3 × 5 × 151 × 197021677)See below for interesting mathematical facts about the number 21420196723440 from the Numbermatics database.
Names of 21420196723440
- Cardinal: 21420196723440 can be written as Twenty-one trillion, four hundred twenty billion, one hundred ninety-six million, seven hundred twenty-three thousand, four hundred forty.
Scientific notation
- Scientific notation: 2.142019672344 × 1013
Factors of 21420196723440
Divisors of 21420196723440
- Number of divisors d(n): 120
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 144 151 180 240 302 360 453 604 720 755 906 1208 1359 1510 1812 2265 2416 2718 3020 3624 4530 5436 6040 6795 7248 9060 10872 12080 13590 18120 21744 27180 36240 54360 108720 197021677 394043354 591065031 788086708 985108385 1182130062 1576173416 1773195093 1970216770 2364260124 2955325155 3152346832 3546390186 3940433540 4728520248 5910650310 7092780372 7880867080 8865975465 9457040496 11821300620 14185560744 15761734160 17731950930 23642601240 28371121488 29750273227 35463901860 47285202480 59500546454 70927803720 89250819681 119001092908 141855607440 148751366135 178501639362 238002185816 267752459043 297502732270 357003278724 446254098405 476004371632 535504918086 595005464540 714006557448 892508196810 1071009836172 1190010929080 1338762295215 1428013114896 1785016393620 2142019672344 2380021858160 2677524590430 3570032787240 4284039344688 5355049180860 7140065574480 10710098361720 21420196723440
- Sum of all divisors σ(n): 72412559445408
- Sum of proper divisors (its aliquot sum) s(n): 50992362721968
- 21420196723440 is an abundant number, because the sum of its proper divisors (50992362721968) is greater than itself. Its abundance is 29572165998528
Bases of 21420196723440
- Binary: 1001101111011010001110011011101111010111100002
- Hexadecimal: 0x137B47377AF0
- Base-36: 7LCAW2QK0
Squares and roots of 21420196723440
- 21420196723440 squared (214201967234402) is 458824827670869711845433600
- 21420196723440 cubed (214201967234403) is 9828118070308486048406693754446083584000
-
The
square root of 21420196723440 is 4628195.8389247099 -
The
cube root of 21420196723440 is 27772.0423188885
Scales and comparisons
How big is 21420196723440?- 21,420,196,723,440 seconds is equal to 681,095 years, 51 weeks, 6 days, 13 hours, 24 minutes.
-
To count from 1 to 21,420,196,723,440 would take you about one million, seven hundred two thousand, seven hundred thirty-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 21420196723440 cubic inches would be around 2314.3 feet tall.
Recreational maths with 21420196723440
- 21420196723440 backwards is 04432769102412
- 21420196723440 is a
Harshad number . - The number of decimal digits it has is: 14
- The sum of 21420196723440's digits is 45
- More coming soon!
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