21137430744
21,137,430,744 is an even composite number composed of six prime numbers multiplied together.
21137430744 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 21137430744:
23 × 32 × 232 × 37 × 53 × 283
(2 × 2 × 2 × 3 × 3 × 23 × 23 × 37 × 53 × 283)See below for interesting mathematical facts about the number 21137430744 from the Numbermatics database.
Names of 21137430744
- Cardinal: 21137430744 can be written as Twenty-one billion, one hundred thirty-seven million, four hundred thirty thousand, seven hundred forty-four.
Scientific notation
- Scientific notation: 2.1137430744 × 1010
Factors of 21137430744
Divisors of 21137430744
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 6 8 9 12 18 23 24 36 37 46 53 69 72 74 92 106 111 138 148 159 184 207 212 222 276 283 296 318 333 414 424 444 477 529 552 566 636 666 828 849 851 888 954 1058 1132 1219 1272 1332 1587 1656 1698 1702 1908 1961 2116 2264 2438 2547 2553 2664 3174 3396 3404 3657 3816 3922 4232 4761 4876 5094 5106 5883 6348 6509 6792 6808 7314 7659 7844 9522 9752 10188 10212 10471 10971 11766 12696 13018 14628 14999 15318 15688 17649 19044 19527 19573 20376 20424 20942 21942 23532 26036 28037 29256 29998 30636 31413 35298 38088 39054 39146 41884 43884 44997 45103 47064 52072 56074 58581 58719 59996 61272 62826 70596 78108 78292 83768 84111 87768 89994 90206 94239 112148 117162 117438 119992 125652 134991 135309 141192 149707 156216 156584 168222 176157 179988 180412 188478 224296 234324 234876 240833 251304 252333 269982 270618 299414 336444 344977 352314 359976 360824 376956 405927 449121 468648 469752 481666 504666 539964 541236 554963 598828 672888 689954 704628 722499 753912 811854 898242 963332 1009332 1034931 1037369 1079928 1082472 1109926 1197656 1347363 1379908 1409256 1444998 1623708 1664889 1796484 1926664 2018664 2069862 2074738 2167497 2219852 2694726 2759816 2889996 3104793 3112107 3247416 3329778 3592968 4139724 4149476 4334994 4439704 4994667 5389452 5539159 5779992 6209586 6224214 6659556 7934471 8279448 8298952 8669988 9336321 9989334 10778904 11078318 12419172 12448428 12764149 13319112 15868942 16617477 17339976 18672642 19978668 22156636 23803413 24838344 24896856 25528298 31737884 33234954 37345284 38292447 39957336 44313272 47606826 49852431 51056596 63475768 66469908 71410239 74690568 76584894 95213652 99704862 102113192 114877341 132939816 142820478 153169788 190427304 199409724 229754682 285640956 293575427 306339576 398819448 459509364 571281912 587150854 880726281 919018728 1174301708 1761452562 2348603416 2642178843 3522905124 5284357686 7045810248 10568715372 21137430744
- Sum of all divisors σ(n): 62842787280
- Sum of proper divisors (its aliquot sum) s(n): 41705356536
- 21137430744 is an abundant number, because the sum of its proper divisors (41705356536) is greater than itself. Its abundance is 20567925792
Bases of 21137430744
- Binary: 100111010111110001110011000110110002
- Hexadecimal: 0x4EBE398D8
- Base-36: 9PKOHY0
Squares and roots of 21137430744
- 21137430744 squared (211374307442) is 446790978457396393536
- 21137430744 cubed (211374307443) is 9444013364187212222922569270784
-
The
square root of 21137430744 is 145387.1753078655 -
The
cube root of 21137430744 is 2764.9295236699
Scales and comparisons
How big is 21137430744?- 21,137,430,744 seconds is equal to 672 years, 5 weeks, 3 days, 4 hours, 32 minutes, 24 seconds.
-
To count from 1 to 21,137,430,744 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 21137430744 cubic inches would be around 230.4 feet tall.
Recreational maths with 21137430744
- 21137430744 backwards is 44703473112
- 21137430744 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21137430744's digits is 36
- More coming soon!
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