145764990
145,764,990 is an even composite number composed of six prime numbers multiplied together.
145764990 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 145764990:
2 × 32 × 5 × 7 × 61 × 3793
(2 × 3 × 3 × 5 × 7 × 61 × 3793)See below for interesting mathematical facts about the number 145764990 from the Numbermatics database.
Names of 145764990
- Cardinal: 145764990 can be written as One hundred forty-five million, seven hundred sixty-four thousand, nine hundred ninety.
Scientific notation
- Scientific notation: 1.4576499 × 108
Factors of 145764990
Divisors of 145764990
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 45 61 63 70 90 105 122 126 183 210 305 315 366 427 549 610 630 854 915 1098 1281 1830 2135 2562 2745 3793 3843 4270 5490 6405 7586 7686 11379 12810 18965 19215 22758 26551 34137 37930 38430 53102 56895 68274 79653 113790 132755 159306 170685 231373 238959 265510 341370 398265 462746 477918 694119 796530 1156865 1194795 1388238 1619611 2082357 2313730 2389590 3239222 3470595 4164714 4858833 6941190 8098055 9717666 10411785 14576499 16196110 20823570 24294165 29152998 48588330 72882495 145764990
- Sum of all divisors σ(n): 440346816
- Sum of proper divisors (its aliquot sum) s(n): 294581826
- 145764990 is an abundant number, because the sum of its proper divisors (294581826) is greater than itself. Its abundance is 148816836
Bases of 145764990
- Binary: 10001011000000110010011111102
- Hexadecimal: 0x8B0327E
- Base-36: 2ES8ZI
Squares and roots of 145764990
- 145764990 squared (1457649902) is 21247432309700100
- 145764990 cubed (1457649903) is 3097131758149111979499000
-
The
square root of 145764990 is 12073.3172740553 -
The
cube root of 145764990 is 526.2810619911
Scales and comparisons
How big is 145764990?- 145,764,990 seconds is equal to 4 years, 33 weeks, 2 hours, 16 minutes, 30 seconds.
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To count from 1 to 145,764,990 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 145764990 cubic inches would be around 43.9 feet tall.
Recreational maths with 145764990
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