149743890
149,743,890 is an even composite number composed of five prime numbers multiplied together.
149743890 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 149743890:
2 × 37 × 5 × 41 × 167
(2 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 5 × 41 × 167)See below for interesting mathematical facts about the number 149743890 from the Numbermatics database.
Names of 149743890
- Cardinal: 149743890 can be written as One hundred forty-nine million, seven hundred forty-three thousand, eight hundred ninety.
Scientific notation
- Scientific notation: 1.4974389 × 108
Factors of 149743890
Divisors of 149743890
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 5 6 9 10 15 18 27 30 41 45 54 81 82 90 123 135 162 167 205 243 246 270 334 369 405 410 486 501 615 729 738 810 835 1002 1107 1215 1230 1458 1503 1670 1845 2187 2214 2430 2505 3006 3321 3645 3690 4374 4509 5010 5535 6642 6847 7290 7515 9018 9963 10935 11070 13527 13694 15030 16605 19926 20541 21870 22545 27054 29889 33210 34235 40581 41082 45090 49815 59778 61623 67635 68470 81162 89667 99630 102705 121743 123246 135270 149445 179334 184869 202905 205410 243486 298890 308115 365229 369738 405810 448335 554607 608715 616230 730458 896670 924345 1109214 1217430 1663821 1826145 1848690 2773035 3327642 3652290 4991463 5546070 8319105 9982926 14974389 16638210 24957315 29948778 49914630 74871945 149743890
- Sum of all divisors σ(n): 416586240
- Sum of proper divisors (its aliquot sum) s(n): 266842350
- 149743890 is an abundant number, because the sum of its proper divisors (266842350) is greater than itself. Its abundance is 117098460
Bases of 149743890
- Binary: 10001110110011101001000100102
- Hexadecimal: 0x8ECE912
- Base-36: 2H5J4I
Squares and roots of 149743890
- 149743890 squared (1497438902) is 22423232592332100
- 149743890 cubed (1497438903) is 3357742074750592825869000
-
The
square root of 149743890 is 12236.9886001417 -
The
cube root of 149743890 is 531.0267151167
Scales and comparisons
How big is 149743890?- 149,743,890 seconds is equal to 4 years, 39 weeks, 4 days, 3 hours, 31 minutes, 30 seconds.
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To count from 1 to 149,743,890 would take you about seven 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 149743890 cubic inches would be around 44.3 feet tall.
Recreational maths with 149743890
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