997449390
997,449,390 is an even composite number composed of five prime numbers multiplied together.
997449390 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 997449390:
2 × 35 × 5 × 72 × 8377
(2 × 3 × 3 × 3 × 3 × 3 × 5 × 7 × 7 × 8377)See below for interesting mathematical facts about the number 997449390 from the Numbermatics database.
Names of 997449390
- Cardinal: 997449390 can be written as Nine hundred ninety-seven million, four hundred forty-nine thousand, three hundred ninety.
Scientific notation
- Scientific notation: 9.9744939 × 108
Factors of 997449390
Divisors of 997449390
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 5 6 7 9 10 14 15 18 21 27 30 35 42 45 49 54 63 70 81 90 98 105 126 135 147 162 189 210 243 245 270 294 315 378 405 441 486 490 567 630 735 810 882 945 1134 1215 1323 1470 1701 1890 2205 2430 2646 2835 3402 3969 4410 5670 6615 7938 8377 8505 11907 13230 16754 17010 19845 23814 25131 39690 41885 50262 58639 59535 75393 83770 117278 119070 125655 150786 175917 226179 251310 293195 351834 376965 410473 452358 527751 586390 678537 753930 820946 879585 1055502 1130895 1231419 1357074 1583253 1759170 2035611 2052365 2261790 2462838 2638755 3166506 3392685 3694257 4071222 4104730 4749759 5277510 6157095 6785370 7388514 7916265 9499518 10178055 11082771 12314190 14249277 15832530 18471285 20356110 22165542 23748795 28498554 33248313 36942570 47497590 55413855 66496626 71246385 99744939 110827710 142492770 166241565 199489878 332483130 498724695 997449390
- Sum of all divisors σ(n): 3128881392
- Sum of proper divisors (its aliquot sum) s(n): 2131432002
- 997449390 is an abundant number, because the sum of its proper divisors (2131432002) is greater than itself. Its abundance is 1133982612
Bases of 997449390
- Binary: 1110110111001111011110101011102
- Hexadecimal: 0x3B73DEAE
- Base-36: GHUSVI
Squares and roots of 997449390
- 997449390 squared (9974493902) is 994905285611372100
- 997449390 cubed (9974493903) is 992367670240838878208019000
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The
square root of 997449390 is 31582.4221680353 -
The
cube root of 997449390 is 999.1490727949
Scales and comparisons
How big is 997449390?- 997,449,390 seconds is equal to 31 years, 37 weeks, 1 day, 13 hours, 16 minutes, 30 seconds.
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To count from 1 to 997,449,390 would take you about forty-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 997449390 cubic inches would be around 83.3 feet tall.
Recreational maths with 997449390
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