21427204590
21,427,204,590 is an even composite number composed of seven prime numbers multiplied together.
21427204590 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 21427204590:
2 × 34 × 5 × 11 × 19 × 47 × 2693
(2 × 3 × 3 × 3 × 3 × 5 × 11 × 19 × 47 × 2693)See below for interesting mathematical facts about the number 21427204590 from the Numbermatics database.
Names of 21427204590
- Cardinal: 21427204590 can be written as Twenty-one billion, four hundred twenty-seven million, two hundred four thousand, five hundred ninety.
Scientific notation
- Scientific notation: 2.142720459 × 1010
Factors of 21427204590
Divisors of 21427204590
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 3 5 6 9 10 11 15 18 19 22 27 30 33 38 45 47 54 55 57 66 81 90 94 95 99 110 114 135 141 162 165 171 190 198 209 235 270 282 285 297 330 342 405 418 423 470 495 513 517 570 594 627 705 810 846 855 891 893 990 1026 1034 1045 1254 1269 1410 1485 1539 1551 1710 1782 1786 1881 2090 2115 2538 2565 2585 2679 2693 2970 3078 3102 3135 3762 3807 4230 4455 4465 4653 5130 5170 5358 5386 5643 6270 6345 7614 7695 7755 8037 8079 8910 8930 9306 9405 9823 11286 12690 13395 13465 13959 15390 15510 16074 16158 16929 18810 19035 19646 23265 24111 24237 26790 26930 27918 28215 29469 29623 33858 38070 40185 40395 41877 46530 48222 48474 49115 51167 56430 58938 59246 69795 72333 72711 80370 80790 83754 84645 88407 88869 98230 102334 120555 121185 126571 139590 144666 145422 147345 148115 153501 169290 176814 177738 209385 218133 241110 242370 253142 255835 265221 266607 294690 296230 307002 361665 363555 379713 418770 436266 442035 444345 460503 511670 530442 533214 562837 632855 723330 727110 759426 767505 795663 799821 884070 888690 921006 1090665 1125674 1139139 1265710 1326105 1333035 1381509 1392281 1535010 1591326 1599642 1688511 1898565 2181330 2278278 2302515 2399463 2404849 2652210 2666070 2763018 2784562 2814185 3377022 3417417 3797130 3978315 3999105 4144527 4176843 4605030 4798926 4809698 5065533 5628370 5695695 6834834 6907545 6961405 7214547 7956630 7998210 8289054 8353686 8442555 10131066 10252251 11391390 11997315 12024245 12530529 13815090 13922810 14429094 15196599 16885110 17087085 20504502 20722635 20884215 21643641 23994630 24048490 25061058 25327665 26453339 30393198 34174170 36072735 37591587 41445270 41768430 43287282 45589797 50655330 51261255 52906678 62652645 64930923 72145470 75183174 75982995 79360017 91179594 102522510 108218205 112774761 125305290 129861846 132266695 151965990 158720034 187957935 194792769 216436410 225549522 227948985 238080051 264533390 324654615 375915870 389585538 396800085 455897970 476160102 563873805 649309230 714240153 793600170 973963845 1127747610 1190400255 1428480306 1947927690 2142720459 2380800510 3571200765 4285440918 7142401530 10713602295 21427204590
- Sum of all divisors σ(n): 67593968640
- Sum of proper divisors (its aliquot sum) s(n): 46166764050
- 21427204590 is an abundant number, because the sum of its proper divisors (46166764050) is greater than itself. Its abundance is 24739559460
Bases of 21427204590
- Binary: 100111111010010100100110001111011102
- Hexadecimal: 0x4FD2931EE
- Base-36: 9UD7CVI
Squares and roots of 21427204590
- 21427204590 squared (214272045902) is 459125096541717068100
- 21427204590 cubed (214272045903) is 9837767376002873088073662579000
-
The
square root of 21427204590 is 146380.3422253139 -
The
cube root of 21427204590 is 2777.5070637577
Scales and comparisons
How big is 21427204590?- 21,427,204,590 seconds is equal to 681 years, 16 weeks, 4 days, 1 hour, 16 minutes, 30 seconds.
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To count from 1 to 21,427,204,590 would take you about one thousand, three hundred sixty-two 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 21427204590 cubic inches would be around 231.5 feet tall.
Recreational maths with 21427204590
- 21427204590 backwards is 09540272412
- The number of decimal digits it has is: 11
- The sum of 21427204590's digits is 36
- More coming soon!
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