20742149428
20,742,149,428 is an even composite number composed of six prime numbers multiplied together.
20742149428 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 20742149428:
22 × 72 × 11 × 133 × 29 × 151
(2 × 2 × 7 × 7 × 11 × 13 × 13 × 13 × 29 × 151)See below for interesting mathematical facts about the number 20742149428 from the Numbermatics database.
Names of 20742149428
- Cardinal: 20742149428 can be written as Twenty billion, seven hundred forty-two million, one hundred forty-nine thousand, four hundred twenty-eight.
Scientific notation
- Scientific notation: 2.0742149428 × 1010
Factors of 20742149428
Divisors of 20742149428
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 4 7 11 13 14 22 26 28 29 44 49 52 58 77 91 98 116 143 151 154 169 182 196 203 286 302 308 319 338 364 377 406 539 572 604 637 638 676 754 812 1001 1057 1078 1183 1274 1276 1421 1508 1661 1859 1963 2002 2114 2156 2197 2233 2366 2548 2639 2842 3322 3718 3926 4004 4147 4228 4379 4394 4466 4732 4901 5278 5684 6644 7007 7399 7436 7852 8281 8294 8758 8788 8932 9802 10556 11627 13013 13741 14014 14798 15379 15631 16562 16588 17516 18473 19604 21593 23254 24167 25519 26026 27482 28028 29029 29596 30653 30758 31262 33124 34307 36946 43186 46508 48169 48334 51038 52052 53911 54964 56927 58058 61306 61516 62524 63713 68614 73892 81389 86372 91091 96187 96338 96668 102076 107653 107822 113854 116116 122612 127426 137228 151151 162778 169169 178633 182182 192374 192676 203203 214571 215306 215644 227708 240149 254852 280709 302302 325556 331747 337183 338338 357266 364364 377377 384748 398489 406406 429142 430612 445991 480298 561418 604604 626197 663494 674366 676676 700843 714532 740051 754754 796978 812812 858284 891982 960596 1058057 1122836 1184183 1250431 1252394 1326988 1348732 1401686 1480102 1509508 1593956 1783964 1964963 2116114 2322229 2360281 2368366 2500862 2504788 2641639 2789423 2803372 2960204 3121937 3649217 3929926 4232228 4383379 4644458 4720562 4736732 4905901 5001724 5180357 5283278 5578846 6243874 7298434 7859852 8140561 8766758 9288916 9441124 9620663 9811802 10360714 10566556 11157692 12487748 13754741 14596868 16255603 16281122 17533516 19241326 19623604 20721428 25544519 27509482 30683653 32511206 32562244 34341307 36262499 38482652 51089038 55018964 56983927 61367306 65022412 67344641 68682614 72524998 102178076 105827293 113967854 122734612 134689282 137365228 145049996 178811633 211654586 227935708 269378564 357623266 398887489 423309172 471412487 715246532 740791051 797774978 942824974 1481582102 1595549956 1885649948 2963164204 5185537357 10371074714 20742149428
- Sum of all divisors σ(n): 51963206400
- Sum of proper divisors (its aliquot sum) s(n): 31221056972
- 20742149428 is an abundant number, because the sum of its proper divisors (31221056972) is greater than itself. Its abundance is 10478907544
Bases of 20742149428
- Binary: 100110101000101010000010101001101002
- Hexadecimal: 0x4D4541534
- Base-36: 9J1C8XG
Squares and roots of 20742149428
- 20742149428 squared (207421494282) is 430236762893480727184
- 20742149428 cubed (207421494283) is 8924035225355582890288629650752
-
The
square root of 20742149428 is 144021.3505977499 -
The
cube root of 20742149428 is 2747.5857346771
Scales and comparisons
How big is 20742149428?- 20,742,149,428 seconds is equal to 659 years, 27 weeks, 6 days, 4 hours, 10 minutes, 28 seconds.
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To count from 1 to 20,742,149,428 would take you about one thousand, three hundred nineteen 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 20742149428 cubic inches would be around 229 feet tall.
Recreational maths with 20742149428
- 20742149428 backwards is 82494124702
- The number of decimal digits it has is: 11
- The sum of 20742149428's digits is 43
- More coming soon!
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