139986990
139,986,990 is an even composite number composed of seven prime numbers multiplied together.
139986990 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 139986990:
2 × 32 × 5 × 11 × 13 × 73 × 149
(2 × 3 × 3 × 5 × 11 × 13 × 73 × 149)See below for interesting mathematical facts about the number 139986990 from the Numbermatics database.
Names of 139986990
- Cardinal: 139986990 can be written as One hundred thirty-nine million, nine hundred eighty-six thousand, nine hundred ninety.
Scientific notation
- Scientific notation: 1.3998699 × 108
Factors of 139986990
Divisors of 139986990
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 5 6 9 10 11 13 15 18 22 26 30 33 39 45 55 65 66 73 78 90 99 110 117 130 143 146 149 165 195 198 219 234 286 298 330 365 390 429 438 447 495 585 657 715 730 745 803 858 894 949 990 1095 1170 1287 1314 1341 1430 1490 1606 1639 1898 1937 2145 2190 2235 2409 2574 2682 2847 3278 3285 3874 4015 4290 4470 4745 4818 4917 5694 5811 6435 6570 6705 7227 8030 8195 8541 9490 9685 9834 10439 10877 11622 12045 12870 13410 14235 14454 14751 16390 17082 17433 19370 20878 21307 21754 24090 24585 28470 29055 29502 31317 32631 34866 36135 42614 42705 49170 52195 54385 58110 62634 63921 65262 72270 73755 85410 87165 93951 97893 104390 106535 108770 119647 127842 141401 147510 156585 163155 174330 187902 191763 195786 213070 239294 282802 313170 319605 326310 358941 383526 424203 469755 489465 598235 639210 707005 717882 848406 939510 958815 978930 1076823 1196470 1272609 1414010 1555411 1794705 1917630 2121015 2153646 2545218 3110822 3589410 4242030 4666233 5384115 6363045 7777055 9332466 10768230 12726090 13998699 15554110 23331165 27997398 46662330 69993495 139986990
- Sum of all divisors σ(n): 436363200
- Sum of proper divisors (its aliquot sum) s(n): 296376210
- 139986990 is an abundant number, because the sum of its proper divisors (296376210) is greater than itself. Its abundance is 156389220
Bases of 139986990
- Binary: 10000101100000001000001011102
- Hexadecimal: 0x858082E
- Base-36: 2BCENI
Squares and roots of 139986990
- 139986990 squared (1399869902) is 19596357369260100
- 139986990 cubed (1399869903) is 2743235083087039926099000
-
The
square root of 139986990 is 11831.6097805835 -
The
cube root of 139986990 is 519.2333253183
Scales and comparisons
How big is 139986990?- 139,986,990 seconds is equal to 4 years, 23 weeks, 3 days, 5 hours, 16 minutes, 30 seconds.
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To count from 1 to 139,986,990 would take you about 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 139986990 cubic inches would be around 43.3 feet tall.
Recreational maths with 139986990
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