21742859520
21,742,859,520 is an even composite number composed of five prime numbers multiplied together.
21742859520 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred sixteen divisors.
Prime factorization of 21742859520:
28 × 32 × 5 × 61 × 30941
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 61 × 30941)See below for interesting mathematical facts about the number 21742859520 from the Numbermatics database.
Names of 21742859520
- Cardinal: 21742859520 can be written as Twenty-one billion, seven hundred forty-two million, eight hundred fifty-nine thousand, five hundred twenty.
Scientific notation
- Scientific notation: 2.174285952 × 1010
Factors of 21742859520
Divisors of 21742859520
- Number of divisors d(n): 216
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 61 64 72 80 90 96 120 122 128 144 160 180 183 192 240 244 256 288 305 320 360 366 384 480 488 549 576 610 640 720 732 768 915 960 976 1098 1152 1220 1280 1440 1464 1830 1920 1952 2196 2304 2440 2745 2880 2928 3660 3840 3904 4392 4880 5490 5760 5856 7320 7808 8784 9760 10980 11520 11712 14640 15616 17568 19520 21960 23424 29280 30941 35136 39040 43920 46848 58560 61882 70272 78080 87840 92823 117120 123764 140544 154705 175680 185646 234240 247528 278469 309410 351360 371292 464115 495056 556938 618820 702720 742584 928230 990112 1113876 1237640 1392345 1485168 1856460 1887401 1980224 2227752 2475280 2784690 2970336 3712920 3774802 3960448 4455504 4950560 5569380 5662203 5940672 7425840 7549604 7920896 8911008 9437005 9901120 11138760 11324406 11881344 14851680 15099208 16986609 17822016 18874010 19802240 22277520 22648812 23762688 28311015 29703360 30198416 33973218 35644032 37748020 39604480 44555040 45297624 56622030 59406720 60396832 67946436 71288064 75496040 84933045 89110080 90595248 113244060 118813440 120793664 135892872 150992080 169866090 178220160 181190496 226488120 241587328 271785744 301984160 339732180 356440320 362380992 452976240 483174656 543571488 603968320 679464360 724761984 905952480 1087142976 1207936640 1358928720 1449523968 1811904960 2174285952 2415873280 2717857440 3623809920 4348571904 5435714880 7247619840 10871429760 21742859520
- Sum of all divisors σ(n): 76463746632
- Sum of proper divisors (its aliquot sum) s(n): 54720887112
- 21742859520 is an abundant number, because the sum of its proper divisors (54720887112) is greater than itself. Its abundance is 32978027592
Bases of 21742859520
- Binary: 101000011111111100110110101000000002
- Hexadecimal: 0x50FF9B500
- Base-36: 9ZL4XS0
Squares and roots of 21742859520
- 21742859520 squared (217428595202) is 472751940106454630400
- 21742859520 cubed (217428595203) is 10278979021542096874040721408000
-
The
square root of 21742859520 is 147454.6015558689 -
The
cube root of 21742859520 is 2791.0795837455
Scales and comparisons
How big is 21742859520?- 21,742,859,520 seconds is equal to 691 years, 18 weeks, 3 days, 11 hours, 12 minutes.
-
To count from 1 to 21,742,859,520 would take you about one thousand, three hundred eighty-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 21742859520 cubic inches would be around 232.6 feet tall.
Recreational maths with 21742859520
- 21742859520 backwards is 02595824712
- 21742859520 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21742859520's digits is 45
- More coming soon!
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