21649094720
21,649,094,720 is an even composite number composed of six prime numbers multiplied together.
What does the number 21649094720 look like?
This visualization shows the relationship between its 6 prime factors (large circles) and 224 divisors.
21649094720 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred twenty-four divisors.
Prime factorization of 21649094720:
26 × 5 × 11 × 17 × 331 × 1093
(2 × 2 × 2 × 2 × 2 × 2 × 5 × 11 × 17 × 331 × 1093)See below for interesting mathematical facts about the number 21649094720 from the Numbermatics database.
Names of 21649094720
- Cardinal: 21649094720 can be written as Twenty-one billion, six hundred forty-nine million, ninety-four thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 2.164909472 × 1010
Factors of 21649094720
Divisors of 21649094720
- Number of divisors d(n): 224
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Complete list of divisors:
1 2 4 5 8 10 11 16 17 20 22 32 34 40 44 55 64 68 80 85 88 110 136 160 170 176 187 220 272 320 331 340 352 374 440 544 662 680 704 748 880 935 1088 1093 1324 1360 1496 1655 1760 1870 2186 2648 2720 2992 3310 3520 3641 3740 4372 5296 5440 5465 5627 5984 6620 7282 7480 8744 10592 10930 11254 11968 12023 13240 14564 14960 17488 18205 18581 21184 21860 22508 24046 26480 28135 29128 29920 34976 36410 37162 43720 45016 48092 52960 56270 58256 59840 60115 61897 69952 72820 74324 87440 90032 92905 96184 105920 112540 116512 120230 123794 145640 148648 174880 180064 185810 192368 204391 225080 233024 240460 247588 291280 297296 309485 349760 360128 361783 371620 384736 408782 450160 480920 495176 582560 594592 618970 723566 743240 769472 817564 900320 961840 990352 1021955 1165120 1189184 1237940 1447132 1486480 1635128 1800640 1808915 1923680 1980704 2043910 2475880 2894264 2972960 3270256 3617830 3847360 3961408 3979613 4087820 4951760 5788528 5945920 6150311 6540512 7235660 7959226 8175640 9903520 11577056 12300622 13081024 14471320 15918452 16351280 19807040 19898065 23154112 24601244 28942640 30751555 31836904 32702560 39796130 49202488 57885280 61503110 63673808 65405120 67653421 79592260 98404976 115770560 123006220 127347616 135306842 159184520 196809952 246012440 254695232 270613684 318369040 338267105 393619904 492024880 541227368 636738080 676534210 984049760 1082454736 1273476160 1353068420 1968099520 2164909472 2706136840 4329818944 5412273680 10824547360 21649094720
- Sum of all divisors σ(n): 59781131136
- Sum of proper divisors (its aliquot sum) s(n): 38132036416
- 21649094720 is an abundant number, because the sum of its proper divisors (38132036416) is greater than itself. Its abundance is 16482941696
Bases of 21649094720
- Binary: 101000010100110001011111000010000002
- Hexadecimal: 0x50A62F840
- Base-36: 9Y1B8E8
Squares and roots of 21649094720
- 21649094720 squared (216490947202) is 468683302195531878400
- 21649094720 cubed (216490947203) is 10146569202913453596261122048000
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The
square root of 21649094720 is 147136.3133967955 -
The
cube root of 21649094720 is 2787.0616804819
Scales and comparisons
How big is 21649094720?- 21,649,094,720 seconds is equal to 688 years, 19 weeks, 3 days, 5 hours, 25 minutes, 20 seconds.
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To count from 1 to 21,649,094,720 would take you about one thousand, three hundred seventy-six 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 21649094720 cubic inches would be around 232.3 feet tall.
Recreational maths with 21649094720
- 21649094720 backwards is 02749094612
- 21649094720 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21649094720's digits is 44
- More coming soon!
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