21493940000
21,493,940,000 is an even composite number composed of five prime numbers multiplied together.
21493940000 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred sixty divisors.
Prime factorization of 21493940000:
25 × 54 × 13 × 192 × 229
(2 × 2 × 2 × 2 × 2 × 5 × 5 × 5 × 5 × 13 × 19 × 19 × 229)See below for interesting mathematical facts about the number 21493940000 from the Numbermatics database.
Names of 21493940000
- Cardinal: 21493940000 can be written as Twenty-one billion, four hundred ninety-three million, nine hundred forty thousand.
Scientific notation
- Scientific notation: 2.149394 × 1010
Factors of 21493940000
Divisors of 21493940000
- Number of divisors d(n): 360
-
Complete list of divisors:
1 2 4 5 8 10 13 16 19 20 25 26 32 38 40 50 52 65 76 80 95 100 104 125 130 152 160 190 200 208 229 247 250 260 304 325 361 380 400 416 458 475 494 500 520 608 625 650 722 760 800 916 950 988 1000 1040 1145 1235 1250 1300 1444 1520 1625 1805 1832 1900 1976 2000 2080 2290 2375 2470 2500 2600 2888 2977 3040 3250 3610 3664 3800 3952 4000 4351 4580 4693 4750 4940 5000 5200 5725 5776 5954 6175 6500 7220 7328 7600 7904 8125 8702 9025 9160 9386 9500 9880 10000 10400 11450 11552 11875 11908 12350 13000 14440 14885 15200 16250 17404 18050 18320 18772 19000 19760 20000 21755 22900 23465 23750 23816 24700 26000 28625 28880 29770 30875 32500 34808 36100 36640 37544 38000 39520 43510 45125 45800 46930 47500 47632 49400 52000 56563 57250 57760 59540 61750 65000 69616 72200 74425 75088 76000 82669 87020 90250 91600 93860 95000 95264 98800 108775 113126 114500 117325 119080 123500 130000 139232 143125 144400 148850 150176 154375 165338 174040 180500 183200 187720 190000 197600 217550 225625 226252 229000 234650 238160 247000 260000 282815 286250 288800 297700 308750 330676 348080 361000 372125 375440 380000 413345 435100 451250 452504 458000 469300 476320 494000 543875 565630 572500 586625 595400 617500 661352 696160 722000 744250 750880 826690 870200 902500 905008 916000 938600 988000 1074697 1087750 1131260 1145000 1173250 1190800 1235000 1322704 1414075 1444000 1488500 1653380 1740400 1805000 1810016 1860625 1877200 2066725 2149394 2175500 2262520 2290000 2346500 2381600 2470000 2645408 2719375 2828150 2933125 2977000 3306760 3480800 3610000 3721250 3754400 4133450 4298788 4351000 4525040 4580000 4693000 4940000 5373485 5438750 5656300 5866250 5954000 6613520 7070375 7220000 7442500 8266900 8597576 8702000 9050080 9386000 10333625 10746970 10877500 11312600 11732500 11908000 13227040 14140750 14885000 16533800 17195152 17404000 18772000 20667250 21493940 21755000 22625200 23465000 26867425 28281500 29770000 33067600 34390304 35351875 41334500 42987880 43510000 45250400 46930000 51668125 53734850 56563000 59540000 66135200 70703750 82669000 85975760 87020000 93860000 103336250 107469700 113126000 134337125 141407500 165338000 171951520 206672500 214939400 226252000 268674250 282815000 330676000 413345000 429878800 537348500 565630000 671685625 826690000 859757600 1074697000 1131260000 1343371250 1653380000 2149394000 2686742500 4298788000 5373485000 10746970000 21493940000
- Sum of all divisors σ(n): 60363224460
- Sum of proper divisors (its aliquot sum) s(n): 38869284460
- 21493940000 is an abundant number, because the sum of its proper divisors (38869284460) is greater than itself. Its abundance is 17375344460
Bases of 21493940000
- Binary: 101000000010010001101111111001000002
- Hexadecimal: 0x501237F20
- Base-36: 9VGXQ8W
Squares and roots of 21493940000
- 21493940000 squared (214939400002) is 461989456723600000000
- 21493940000 cubed (214939400003) is 9929973663449654984000000000000
-
The
square root of 21493940000 is 146608.1171013393 -
The
cube root of 21493940000 is 2780.3876070487
Scales and comparisons
How big is 21493940000?- 21,493,940,000 seconds is equal to 683 years, 22 weeks, 6 days, 10 hours, 53 minutes, 20 seconds.
-
To count from 1 to 21,493,940,000 would take you about one thousand, three hundred sixty-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 21493940000 cubic inches would be around 231.7 feet tall.
Recreational maths with 21493940000
- 21493940000 backwards is 00004939412
- 21493940000 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21493940000's digits is 32
- More coming soon!
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