21420212940
21,420,212,940 is an even composite number composed of six prime numbers multiplied together.
21420212940 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 21420212940:
22 × 33 × 5 × 7 × 71 × 79813
(2 × 2 × 3 × 3 × 3 × 5 × 7 × 71 × 79813)See below for interesting mathematical facts about the number 21420212940 from the Numbermatics database.
Names of 21420212940
- Cardinal: 21420212940 can be written as Twenty-one billion, four hundred twenty million, two hundred twelve thousand, nine hundred forty.
Scientific notation
- Scientific notation: 2.142021294 × 1010
Factors of 21420212940
Divisors of 21420212940
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 27 28 30 35 36 42 45 54 60 63 70 71 84 90 105 108 126 135 140 142 180 189 210 213 252 270 284 315 355 378 420 426 497 540 630 639 710 756 852 945 994 1065 1260 1278 1420 1491 1890 1917 1988 2130 2485 2556 2982 3195 3780 3834 4260 4473 4970 5964 6390 7455 7668 8946 9585 9940 12780 13419 14910 17892 19170 22365 26838 29820 38340 44730 53676 67095 79813 89460 134190 159626 239439 268380 319252 399065 478878 558691 718317 798130 957756 1117382 1197195 1436634 1596260 1676073 2154951 2234764 2394390 2793455 2873268 3352146 3591585 4309902 4788780 5028219 5586910 5666723 6704292 7183170 8380365 8619804 10056438 10774755 11173820 11333446 14366340 15084657 16760730 17000169 20112876 21549510 22666892 25141095 28333615 30169314 33521460 34000338 39667061 43099020 50282190 51000507 56667230 60338628 68000676 75423285 79334122 85000845 100564380 102001014 113334460 119001183 150846570 153001521 158668244 170001690 198335305 204002028 238002366 255002535 301693140 306003042 340003380 357003549 396670610 476004732 510005070 595005915 612006084 714007098 765007605 793341220 1020010140 1071010647 1190011830 1428014196 1530015210 1785017745 2142021294 2380023660 3060030420 3570035490 4284042588 5355053235 7140070980 10710106470 21420212940
- Sum of all divisors σ(n): 77234411520
- Sum of proper divisors (its aliquot sum) s(n): 55814198580
- 21420212940 is an abundant number, because the sum of its proper divisors (55814198580) is greater than itself. Its abundance is 34393985640
Bases of 21420212940
- Binary: 100111111001011111010000010110011002
- Hexadecimal: 0x4FCBE82CC
- Base-36: 9U91I30
Squares and roots of 21420212940
- 21420212940 squared (214202129402) is 458825522394943443600
- 21420212940 cubed (214202129403) is 9828140392006427341168880184000
-
The
square root of 21420212940 is 146356.4584840723 -
The
cube root of 21420212940 is 2777.2049327335
Scales and comparisons
How big is 21420212940?- 21,420,212,940 seconds is equal to 681 years, 5 weeks, 3 hours, 9 minutes.
-
To count from 1 to 21,420,212,940 would take you about one thousand, three hundred sixty-two 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 21420212940 cubic inches would be around 231.4 feet tall.
Recreational maths with 21420212940
- 21420212940 backwards is 04921202412
- 21420212940 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21420212940's digits is 27
- More coming soon!
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Numbermatics. (2024). Number 21420212940 - Facts about the integer. Retrieved 4 June 2024, from https://numbermatics.com/n/21420212940/
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The information we have on file for 21420212940 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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