18440977490
18,440,977,490 is an even composite number composed of seven prime numbers multiplied together.
18440977490 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 18440977490:
2 × 5 × 132 × 23 × 67 × 73 × 97
(2 × 5 × 13 × 13 × 23 × 67 × 73 × 97)See below for interesting mathematical facts about the number 18440977490 from the Numbermatics database.
Names of 18440977490
- Cardinal: 18440977490 can be written as Eighteen billion, four hundred forty million, nine hundred seventy-seven thousand, four hundred ninety.
Scientific notation
- Scientific notation: 1.844097749 × 1010
Factors of 18440977490
Divisors of 18440977490
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 5 10 13 23 26 46 65 67 73 97 115 130 134 146 169 194 230 299 335 338 365 485 598 670 730 845 871 949 970 1261 1495 1541 1679 1690 1742 1898 2231 2522 2990 3082 3358 3887 4355 4462 4745 4891 6305 6499 7081 7705 7774 8395 8710 9490 9782 11155 11323 12337 12610 12998 14162 15410 16393 16790 19435 20033 21827 22310 22646 24455 24674 29003 32495 32786 35405 38870 40066 43654 48910 56615 58006 61685 63583 64990 70810 81965 84487 92053 100165 109135 112493 113230 123370 127166 145015 149477 162863 163930 168974 184106 200330 218270 224986 260429 283751 290030 298954 317915 325726 377039 422435 460265 474427 520858 562465 567502 635830 747385 754078 814315 826579 844870 920530 948854 1098331 1124930 1196689 1302145 1418755 1462409 1494770 1628630 1653158 1885195 1943201 2117219 2196662 2372135 2393378 2604290 2837510 2924818 3770390 3886402 4132895 4234438 4744270 5491655 5983445 6167551 7312045 8265790 9716005 10586095 10911821 10983310 11966890 12335102 14624090 19011317 19432010 21172190 21823642 25261613 27523847 30837755 38022634 50523226 54559105 55047694 61675510 80178163 95056585 109118210 126308065 137619235 141853673 160356326 190113170 252616130 275238470 283707346 400890815 709268365 801781630 1418536730 1844097749 3688195498 9220488745 18440977490
- Sum of all divisors σ(n): 38985359616
- Sum of proper divisors (its aliquot sum) s(n): 20544382126
- 18440977490 is an abundant number, because the sum of its proper divisors (20544382126) is greater than itself. Its abundance is 2103404636
Bases of 18440977490
- Binary: 100010010110010101011111100010100102
- Hexadecimal: 0x44B2AFC52
- Base-36: 8GZA5AQ
Squares and roots of 18440977490
- 18440977490 squared (184409774902) is 340069650786686700100
- 18440977490 cubed (184409774903) is 6271216775189450228226480749000
-
The
square root of 18440977490 is 135797.5606923779 -
The
cube root of 18440977490 is 2641.9705926273
Scales and comparisons
How big is 18440977490?- 18,440,977,490 seconds is equal to 586 years, 19 weeks, 5 hours, 44 minutes, 50 seconds.
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To count from 1 to 18,440,977,490 would take you about one thousand, one hundred seventy-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 18440977490 cubic inches would be around 220.2 feet tall.
Recreational maths with 18440977490
- 18440977490 backwards is 09477904481
- The number of decimal digits it has is: 11
- The sum of 18440977490's digits is 53
- More coming soon!
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