149890020
149,890,020 is an even composite number composed of six prime numbers multiplied together.
149890020 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 149890020:
22 × 3 × 5 × 72 × 17 × 2999
(2 × 2 × 3 × 5 × 7 × 7 × 17 × 2999)See below for interesting mathematical facts about the number 149890020 from the Numbermatics database.
Names of 149890020
- Cardinal: 149890020 can be written as One hundred forty-nine million, eight hundred ninety thousand and twenty.
Scientific notation
- Scientific notation: 1.4989002 × 108
Factors of 149890020
Divisors of 149890020
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 5 6 7 10 12 14 15 17 20 21 28 30 34 35 42 49 51 60 68 70 84 85 98 102 105 119 140 147 170 196 204 210 238 245 255 294 340 357 420 476 490 510 588 595 714 735 833 980 1020 1190 1428 1470 1666 1785 2380 2499 2940 2999 3332 3570 4165 4998 5998 7140 8330 8997 9996 11996 12495 14995 16660 17994 20993 24990 29990 35988 41986 44985 49980 50983 59980 62979 83972 89970 101966 104965 125958 146951 152949 179940 203932 209930 251916 254915 293902 305898 314895 356881 419860 440853 509830 587804 611796 629790 713762 734755 764745 881706 1019660 1070643 1259580 1427524 1469510 1529490 1763412 1784405 2141286 2204265 2498167 2939020 3058980 3568810 4282572 4408530 4996334 5353215 7137620 7494501 8817060 9992668 10706430 12490835 14989002 21412860 24981670 29978004 37472505 49963340 74945010 149890020
- Sum of all divisors σ(n): 517104000
- Sum of proper divisors (its aliquot sum) s(n): 367213980
- 149890020 is an abundant number, because the sum of its proper divisors (367213980) is greater than itself. Its abundance is 217323960
Bases of 149890020
- Binary: 10001110111100100011111001002
- Hexadecimal: 0x8EF23E4
- Base-36: 2H8NVO
Squares and roots of 149890020
- 149890020 squared (1498900202) is 22467018095600400
- 149890020 cubed (1498900203) is 3367581791689905868008000
-
The
square root of 149890020 is 12242.9579759141 -
The
cube root of 149890020 is 531.1993959641
Scales and comparisons
How big is 149890020?- 149,890,020 seconds is equal to 4 years, 39 weeks, 5 days, 20 hours, 7 minutes.
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To count from 1 to 149,890,020 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 149890020 cubic inches would be around 44.3 feet tall.
Recreational maths with 149890020
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