21137909488
21,137,909,488 is an even composite number composed of six prime numbers multiplied together.
21137909488 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred sixty divisors.
Prime factorization of 21137909488:
24 × 19 × 31 × 41 × 227 × 241
(2 × 2 × 2 × 2 × 19 × 31 × 41 × 227 × 241)See below for interesting mathematical facts about the number 21137909488 from the Numbermatics database.
Names of 21137909488
- Cardinal: 21137909488 can be written as Twenty-one billion, one hundred thirty-seven million, nine hundred nine thousand, four hundred eighty-eight.
Scientific notation
- Scientific notation: 2.1137909488 × 1010
Factors of 21137909488
Divisors of 21137909488
- Number of divisors d(n): 160
-
Complete list of divisors:
1 2 4 8 16 19 31 38 41 62 76 82 124 152 164 227 241 248 304 328 454 482 496 589 656 779 908 964 1178 1271 1558 1816 1928 2356 2542 3116 3632 3856 4313 4579 4712 5084 6232 7037 7471 8626 9158 9307 9424 9881 10168 12464 14074 14942 17252 18316 18614 19762 20336 24149 28148 29884 34504 36632 37228 39524 48298 54707 56296 59768 69008 73264 74456 79048 96596 109414 112592 119536 133703 141949 148912 158096 176833 187739 193192 218828 267406 283898 288517 306311 353666 375478 386384 437656 534812 567796 577034 612622 707332 750956 875312 1039433 1069624 1135592 1154068 1225244 1414664 1501912 1695917 2078866 2139248 2242987 2271184 2308136 2450488 2829328 3003824 3391834 4157732 4485974 4616272 4900976 5481823 5819909 6783668 8315464 8971948 10963646 11639818 13567336 16630928 17943896 21927292 23279636 27134672 32222423 35887792 42616753 43854584 46559272 64444846 69532597 85233506 87709168 93118544 128889692 139065194 170467012 257779384 278130388 340934024 515558768 556260776 681868048 1112521552 1321119343 2642238686 5284477372 10568954744 21137909488
- Sum of all divisors σ(n): 45977057280
- Sum of proper divisors (its aliquot sum) s(n): 24839147792
- 21137909488 is an abundant number, because the sum of its proper divisors (24839147792) is greater than itself. Its abundance is 3701238304
Bases of 21137909488
- Binary: 100111010111110101011100110111100002
- Hexadecimal: 0x4EBEAE6F0
- Base-36: 9PKYRCG
Squares and roots of 21137909488
- 21137909488 squared (211379094882) is 446811217522880422144
- 21137909488 cubed (211379094883) is 9444655074221725932327102902272
-
The
square root of 21137909488 is 145388.8217436265 -
The
cube root of 21137909488 is 2764.9503979103
Scales and comparisons
How big is 21137909488?- 21,137,909,488 seconds is equal to 672 years, 6 weeks, 1 day, 17 hours, 31 minutes, 28 seconds.
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To count from 1 to 21,137,909,488 would take you about one thousand, three hundred forty-four 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 21137909488 cubic inches would be around 230.4 feet tall.
Recreational maths with 21137909488
- 21137909488 backwards is 88490973112
- The number of decimal digits it has is: 11
- The sum of 21137909488's digits is 52
- More coming soon!
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