21440627670
21,440,627,670 is an even composite number composed of seven prime numbers multiplied together.
21440627670 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 21440627670:
2 × 3 × 5 × 72 × 112 × 149 × 809
(2 × 3 × 5 × 7 × 7 × 11 × 11 × 149 × 809)See below for interesting mathematical facts about the number 21440627670 from the Numbermatics database.
Names of 21440627670
- Cardinal: 21440627670 can be written as Twenty-one billion, four hundred forty million, six hundred twenty-seven thousand, six hundred seventy.
Scientific notation
- Scientific notation: 2.144062767 × 1010
Factors of 21440627670
Divisors of 21440627670
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 5 6 7 10 11 14 15 21 22 30 33 35 42 49 55 66 70 77 98 105 110 121 147 149 154 165 210 231 242 245 294 298 330 363 385 447 462 490 539 605 726 735 745 770 809 847 894 1043 1078 1155 1210 1470 1490 1617 1618 1639 1694 1815 2086 2235 2310 2427 2541 2695 3129 3234 3278 3630 4045 4235 4470 4854 4917 5082 5215 5390 5663 5929 6258 7301 8085 8090 8195 8470 8899 9834 10430 11326 11473 11858 12135 12705 14602 15645 16170 16390 16989 17787 17798 18029 21903 22946 24270 24585 25410 26697 28315 29645 31290 33978 34419 35574 36058 36505 39641 43806 44495 49170 53394 54087 56630 57365 59290 62293 68838 73010 79282 80311 84945 88935 88990 90145 97889 108174 109515 114730 118923 120541 124586 126203 133485 160622 169890 172095 177870 180290 186879 195778 198205 219030 237846 240933 241082 252406 266970 270435 293667 311465 344190 361623 373758 378609 396410 401555 436051 481866 489445 540870 587334 594615 602705 622930 631015 685223 723246 757218 803110 843787 872102 883421 934395 978890 1189230 1204665 1205410 1262030 1308153 1325951 1370446 1468335 1687574 1766842 1808115 1868790 1893045 2055669 2180255 2409330 2531361 2616306 2650263 2651902 2936670 3426115 3616230 3786090 3977853 4111338 4218935 4360510 4417105 4796561 5062722 5300526 5906509 6540765 6629755 6852230 7955706 8437870 8834210 9281657 9593122 10278345 11813018 12656805 13081530 13251315 13259510 14389683 14585461 17719527 18563314 19889265 20556690 23982805 25313610 26502630 27844971 28779366 29170922 29532545 35439054 39778530 43756383 46408285 47965610 55689942 59065090 64971599 71948415 72927305 87512766 88597635 92816570 102098227 129943198 139224855 143896830 145854610 177195270 194914797 204196454 218781915 278449710 306294681 324857995 389829594 437563830 510491135 612589362 649715990 714687589 974573985 1020982270 1429375178 1531473405 1949147970 2144062767 3062946810 3573437945 4288125534 7146875890 10720313835 21440627670
- Sum of all divisors σ(n): 66318588000
- Sum of proper divisors (its aliquot sum) s(n): 44877960330
- 21440627670 is an abundant number, because the sum of its proper divisors (44877960330) is greater than itself. Its abundance is 23437332660
Bases of 21440627670
- Binary: 100111111011111011000000011110101102
- Hexadecimal: 0x4FDF603D6
- Base-36: 9UL726U
Squares and roots of 21440627670
- 21440627670 squared (214406276702) is 459700514883569628900
- 21440627670 cubed (214406276703) is 9856267579325909813764971663000
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The
square root of 21440627670 is 146426.1850558157 -
The
cube root of 21440627670 is 2778.0869327869
Scales and comparisons
How big is 21440627670?- 21,440,627,670 seconds is equal to 681 years, 38 weeks, 5 days, 9 hours, 54 minutes, 30 seconds.
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To count from 1 to 21,440,627,670 would take you about one thousand, three hundred sixty-three 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 21440627670 cubic inches would be around 231.5 feet tall.
Recreational maths with 21440627670
- 21440627670 backwards is 07672604412
- The number of decimal digits it has is: 11
- The sum of 21440627670's digits is 39
- More coming soon!
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