21165139200
21,165,139,200 is an even composite number composed of five prime numbers multiplied together.
21165139200 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 21165139200:
28 × 3 × 52 × 67 × 16453
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 5 × 67 × 16453)See below for interesting mathematical facts about the number 21165139200 from the Numbermatics database.
Names of 21165139200
- Cardinal: 21165139200 can be written as Twenty-one billion, one hundred sixty-five million, one hundred thirty-nine thousand, two hundred.
Scientific notation
- Scientific notation: 2.11651392 × 1010
Factors of 21165139200
Divisors of 21165139200
- Number of divisors d(n): 216
-
Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 64 67 75 80 96 100 120 128 134 150 160 192 200 201 240 256 268 300 320 335 384 400 402 480 536 600 640 670 768 800 804 960 1005 1072 1200 1280 1340 1600 1608 1675 1920 2010 2144 2400 2680 3200 3216 3350 3840 4020 4288 4800 5025 5360 6400 6432 6700 8040 8576 9600 10050 10720 12864 13400 16080 16453 17152 19200 20100 21440 25728 26800 32160 32906 40200 42880 49359 51456 53600 64320 65812 80400 82265 85760 98718 107200 128640 131624 160800 164530 197436 214400 246795 257280 263248 321600 329060 394872 411325 428800 493590 526496 643200 658120 789744 822650 987180 1052992 1102351 1233975 1286400 1316240 1579488 1645300 1974360 2105984 2204702 2467950 2632480 3158976 3290600 3307053 3948720 4211968 4409404 4935900 5264960 5511755 6317952 6581200 6614106 7897440 8818808 9871800 10529920 11023510 12635904 13162400 13228212 15794880 16535265 17637616 19743600 21059840 22047020 26324800 26456424 27558775 31589760 33070530 35275232 39487200 44094040 52649600 52912848 55117550 63179520 66141060 70550464 78974400 82676325 88188080 105299200 105825696 110235100 132282120 141100928 157948800 165352650 176376160 211651392 220470200 264564240 282201856 315897600 330705300 352752320 423302784 440940400 529128480 661410600 705504640 846605568 881880800 1058256960 1322821200 1411009280 1763761600 2116513920 2645642400 3527523200 4233027840 5291284800 7055046400 10582569600 21165139200
- Sum of all divisors σ(n): 70896205408
- Sum of proper divisors (its aliquot sum) s(n): 49731066208
- 21165139200 is an abundant number, because the sum of its proper divisors (49731066208) is greater than itself. Its abundance is 28565927008
Bases of 21165139200
- Binary: 100111011011000101001100101000000002
- Hexadecimal: 0x4ED8A6500
- Base-36: 9Q16DXC
Squares and roots of 21165139200
- 21165139200 squared (211651392002) is 447963117355376640000
- 21165139200 cubed (211651392003) is 9481201735292482454028288000000
-
The
square root of 21165139200 is 145482.4360532915 -
The
cube root of 21165139200 is 2766.1371519323
Scales and comparisons
How big is 21165139200?- 21,165,139,200 seconds is equal to 672 years, 51 weeks, 1 day, 21 hours, 20 minutes.
-
To count from 1 to 21,165,139,200 would take you about one thousand, three hundred forty-five 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 21165139200 cubic inches would be around 230.5 feet tall.
Recreational maths with 21165139200
- 21165139200 backwards is 00293156112
- 21165139200 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21165139200's digits is 30
- More coming soon!
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The information we have on file for 21165139200 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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