21399043320
21,399,043,320 is an even composite number composed of six prime numbers multiplied together.
21399043320 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 21399043320:
23 × 34 × 5 × 31 × 257 × 829
(2 × 2 × 2 × 3 × 3 × 3 × 3 × 5 × 31 × 257 × 829)See below for interesting mathematical facts about the number 21399043320 from the Numbermatics database.
Names of 21399043320
- Cardinal: 21399043320 can be written as Twenty-one billion, three hundred ninety-nine million, forty-three thousand, three hundred twenty.
Scientific notation
- Scientific notation: 2.139904332 × 1010
Factors of 21399043320
Divisors of 21399043320
- Number of divisors d(n): 320
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 31 36 40 45 54 60 62 72 81 90 93 108 120 124 135 155 162 180 186 216 248 257 270 279 310 324 360 372 405 465 514 540 558 620 648 744 771 810 829 837 930 1028 1080 1116 1240 1285 1395 1542 1620 1658 1674 1860 2056 2232 2313 2487 2511 2570 2790 3084 3240 3316 3348 3720 3855 4145 4185 4626 4974 5022 5140 5580 6168 6632 6696 6939 7461 7710 7967 8290 8370 9252 9948 10044 10280 11160 11565 12435 12555 13878 14922 15420 15934 16580 16740 18504 19896 20088 20817 22383 23130 23901 24870 25110 25699 27756 29844 30840 31868 33160 33480 34695 37305 39835 41634 44766 46260 47802 49740 50220 51398 55512 59688 63736 67149 69390 71703 74610 77097 79670 83268 89532 92520 95604 99480 100440 102796 104085 111915 119505 128495 134298 138780 143406 149220 154194 159340 166536 179064 191208 205592 208170 213053 215109 223830 231291 239010 256990 268596 277560 286812 298440 308388 318680 335745 358515 385485 416340 426106 430218 447660 462582 478020 513980 537192 573624 616776 639159 645327 671490 693873 717030 770970 832680 852212 860436 895320 925164 956040 1027960 1065265 1075545 1156455 1278318 1290654 1342980 1387746 1434060 1541940 1704424 1720872 1850328 1917477 2081619 2130530 2151090 2312910 2556636 2581308 2685960 2775492 2868120 3083880 3195795 3226635 3469365 3834954 4163238 4261060 4302180 4625820 5113272 5162616 5550984 5752431 6391590 6453270 6604643 6938730 7669908 8326476 8522120 8604360 9251640 9587385 10408095 11504862 12783180 12906540 13209286 13877460 15339816 16652952 17257293 19174770 19813929 20816190 23009724 25566360 25813080 26418572 27754920 28762155 33023215 34514586 38349540 39627858 41632380 46019448 52837144 57524310 59441787 66046430 69029172 76699080 79255716 83264760 86286465 99069645 115048620 118883574 132092860 138058344 158511432 172572930 178325361 198139290 230097240 237767148 264185720 297208935 345145860 356650722 396278580 475534296 534976083 594417870 690291720 713301444 792557160 891626805 1069952166 1188835740 1426602888 1783253610 2139904332 2377671480 2674880415 3566507220 4279808664 5349760830 7133014440 10699521660 21399043320
- Sum of all divisors σ(n): 74623507200
- Sum of proper divisors (its aliquot sum) s(n): 53224463880
- 21399043320 is an abundant number, because the sum of its proper divisors (53224463880) is greater than itself. Its abundance is 31825420560
Bases of 21399043320
- Binary: 100111110110111101101111100111110002
- Hexadecimal: 0x4FB7B7CF8
- Base-36: 9TWFRI0
Squares and roots of 21399043320
- 21399043320 squared (213990433202) is 457919055011236622400
- 21399043320 cubed (213990433203) is 9799029695238915569508082368000
-
The
square root of 21399043320 is 146284.1184818091 -
The
cube root of 21399043320 is 2776.2897262711
Scales and comparisons
How big is 21399043320?- 21,399,043,320 seconds is equal to 680 years, 22 weeks, 2 hours, 42 minutes.
-
To count from 1 to 21,399,043,320 would take you about one thousand, three hundred sixty 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 21399043320 cubic inches would be around 231.4 feet tall.
Recreational maths with 21399043320
- 21399043320 backwards is 02334099312
- 21399043320 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21399043320's digits is 36
- More coming soon!
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