21382913090
21,382,913,090 is an even composite number composed of seven prime numbers multiplied together.
21382913090 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 21382913090:
2 × 5 × 7 × 112 × 312 × 37 × 71
(2 × 5 × 7 × 11 × 11 × 31 × 31 × 37 × 71)See below for interesting mathematical facts about the number 21382913090 from the Numbermatics database.
Names of 21382913090
- Cardinal: 21382913090 can be written as Twenty-one billion, three hundred eighty-two million, nine hundred thirteen thousand and ninety.
Scientific notation
- Scientific notation: 2.138291309 × 1010
Factors of 21382913090
Divisors of 21382913090
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 5 7 10 11 14 22 31 35 37 55 62 70 71 74 77 110 121 142 154 155 185 217 242 259 310 341 355 370 385 407 434 497 518 605 682 710 770 781 814 847 961 994 1085 1147 1210 1295 1562 1694 1705 1922 2035 2170 2201 2294 2387 2485 2590 2627 2849 3410 3751 3905 4070 4235 4402 4477 4774 4805 4970 5254 5467 5698 5735 6727 7502 7810 8029 8470 8591 8954 9610 10571 10934 11005 11470 11935 12617 13135 13454 14245 15407 16058 17182 18389 18755 21142 22010 22385 23870 24211 25234 26257 26270 27335 28490 28897 30814 31339 33635 35557 36778 37510 40145 42955 44770 48422 52514 52855 54670 57794 60137 62678 63085 67270 68231 71114 73997 77035 80290 81437 85910 88319 91945 105710 116281 120274 121055 126170 131285 136462 138787 144485 147994 154070 156695 162874 169477 176638 177785 183890 202279 232562 242110 248899 262570 266321 277574 288970 300685 313390 317867 338954 341155 355570 369985 391127 404558 407185 441595 477617 497798 532642 570059 581405 601370 635734 682310 693935 739970 750541 782254 813967 814370 847385 883190 895807 955234 971509 1011395 1140118 1162810 1244495 1331605 1387870 1501082 1589335 1627934 1694770 1791614 1864247 1943018 1955635 2022790 2225069 2388085 2488990 2524547 2663210 2737889 2850295 3178670 3728494 3752705 3911270 4069835 4302397 4450138 4479035 4776170 4857545 5049094 5253787 5475778 5700590 6270649 7505410 8139670 8255951 8604794 8958070 9321235 9715090 9853877 10507574 11125345 12541298 12622735 13689445 16511902 17671829 18642470 19707754 21511985 22250690 25245470 26268935 27378890 27770017 30116779 31353245 35343658 41279755 43023970 49269385 52537870 55540034 57791657 60233558 62706490 68977139 82559510 88359145 98538770 115583314 137954278 138850085 150583895 176718290 194390119 277700170 288958285 301167790 305470187 344885695 388780238 577916570 610940374 689771390 971950595 1527350935 1943901190 2138291309 3054701870 4276582618 10691456545 21382913090
- Sum of all divisors σ(n): 52033072896
- Sum of proper divisors (its aliquot sum) s(n): 30650159806
- 21382913090 is an abundant number, because the sum of its proper divisors (30650159806) is greater than itself. Its abundance is 9267246716
Bases of 21382913090
- Binary: 100111110101000010101011100010000102
- Hexadecimal: 0x4FA855C42
- Base-36: 9TMU1C2
Squares and roots of 21382913090
- 21382913090 squared (213829130902) is 457228972214493348100
- 21382913090 cubed (213829130903) is 9776887375092536100805416629000
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The
square root of 21382913090 is 146228.9748647647 -
The
cube root of 21382913090 is 2775.5919778113
Scales and comparisons
How big is 21382913090?- 21,382,913,090 seconds is equal to 679 years, 47 weeks, 2 days, 10 hours, 4 minutes, 50 seconds.
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To count from 1 to 21,382,913,090 would take you about one thousand, three hundred fifty-nine 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 21382913090 cubic inches would be around 231.3 feet tall.
Recreational maths with 21382913090
- 21382913090 backwards is 09031928312
- The number of decimal digits it has is: 11
- The sum of 21382913090's digits is 38
- More coming soon!
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