21242133640
21,242,133,640 is an even composite number composed of seven prime numbers multiplied together.
21242133640 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 21242133640:
23 × 5 × 7 × 13 × 37 × 109 × 1447
(2 × 2 × 2 × 5 × 7 × 13 × 37 × 109 × 1447)See below for interesting mathematical facts about the number 21242133640 from the Numbermatics database.
Names of 21242133640
- Cardinal: 21242133640 can be written as Twenty-one billion, two hundred forty-two million, one hundred thirty-three thousand, six hundred forty.
Scientific notation
- Scientific notation: 2.124213364 × 1010
Factors of 21242133640
Divisors of 21242133640
- Number of divisors d(n): 256
-
Complete list of divisors:
1 2 4 5 7 8 10 13 14 20 26 28 35 37 40 52 56 65 70 74 91 104 109 130 140 148 182 185 218 259 260 280 296 364 370 436 455 481 518 520 545 728 740 763 872 910 962 1036 1090 1295 1417 1447 1480 1526 1820 1924 2072 2180 2405 2590 2834 2894 3052 3367 3640 3815 3848 4033 4360 4810 5180 5668 5788 6104 6734 7085 7235 7630 8066 9620 9919 10129 10360 11336 11576 13468 14170 14470 15260 16132 16835 18811 19240 19838 20165 20258 26936 28231 28340 28940 30520 32264 33670 37622 39676 40330 40516 49595 50645 52429 53539 56462 56680 57880 67340 75244 79352 80660 81032 94055 99190 101290 104858 107078 112924 131677 134680 141155 150488 157723 161320 188110 198380 202580 209716 214156 225848 262145 263354 267695 282310 315446 367003 374773 376220 396760 405160 419432 428312 524290 526708 535390 564620 630892 658385 696007 734006 749546 752440 788615 1048580 1053416 1070780 1104061 1129240 1261784 1316770 1392014 1468012 1499092 1577230 1835015 1873865 2050399 2097160 2141560 2208122 2633540 2784028 2936024 2998184 3154460 3480035 3670030 3747730 4100798 4416244 4872049 5267080 5520305 5568056 5835751 6308920 6960070 7340060 7495460 8201596 8832488 9744098 10251995 11040610 11671502 13920140 14352793 14680120 14990920 16403192 19488196 20503990 22081220 23343004 24360245 27840280 28705586 29178755 38976392 40850257 41007980 44162440 46686008 48720490 57411172 58357510 71763965 75864763 81700514 82015960 97440980 114822344 116715020 143527930 151729526 163401028 194881960 204251285 233430040 287055860 303459052 326802056 379323815 408502570 531053341 574111720 606918104 758647630 817005140 1062106682 1517295260 1634010280 2124213364 2655266705 3034590520 4248426728 5310533410 10621066820 21242133640
- Sum of all divisors σ(n): 61010611200
- Sum of proper divisors (its aliquot sum) s(n): 39768477560
- 21242133640 is an abundant number, because the sum of its proper divisors (39768477560) is greater than itself. Its abundance is 18526343920
Bases of 21242133640
- Binary: 100111100100010000100111100100010002
- Hexadecimal: 0x4F2213C88
- Base-36: 9RB0N7S
Squares and roots of 21242133640
- 21242133640 squared (212421336402) is 451228241579619649600
- 21242133640 cubed (212421336403) is 9585050609776485297173172544000
-
The
square root of 21242133640 is 145746.8134814619 -
The
cube root of 21242133640 is 2769.4873062253
Scales and comparisons
How big is 21242133640?- 21,242,133,640 seconds is equal to 675 years, 22 weeks, 4 days, 40 minutes, 40 seconds.
-
To count from 1 to 21,242,133,640 would take you about one thousand, three hundred fifty 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 21242133640 cubic inches would be around 230.8 feet tall.
Recreational maths with 21242133640
- 21242133640 backwards is 04633124212
- 21242133640 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21242133640's digits is 28
- More coming soon!
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