997389666
997,389,666 is an even composite number composed of five prime numbers multiplied together.
997389666 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 997389666:
2 × 33 × 7 × 133 × 1201
(2 × 3 × 3 × 3 × 7 × 13 × 13 × 13 × 1201)See below for interesting mathematical facts about the number 997389666 from the Numbermatics database.
Names of 997389666
- Cardinal: 997389666 can be written as Nine hundred ninety-seven million, three hundred eighty-nine thousand, six hundred sixty-six.
Scientific notation
- Scientific notation: 9.97389666 × 108
Factors of 997389666
Divisors of 997389666
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 6 7 9 13 14 18 21 26 27 39 42 54 63 78 91 117 126 169 182 189 234 273 338 351 378 507 546 702 819 1014 1183 1201 1521 1638 2197 2366 2402 2457 3042 3549 3603 4394 4563 4914 6591 7098 7206 8407 9126 10647 10809 13182 15379 15613 16814 19773 21294 21618 25221 30758 31226 31941 32427 39546 46137 46839 50442 59319 63882 64854 75663 92274 93678 109291 118638 138411 140517 151326 202969 218582 226989 276822 281034 327873 405938 415233 421551 453978 608907 655746 830466 843102 983619 1217814 1420783 1826721 1967238 2638597 2841566 2950857 3653442 4262349 5277194 5480163 5901714 7915791 8524698 10960326 12787047 15831582 18470179 23747373 25574094 36940358 38361141 47494746 55410537 71242119 76722282 110821074 142484238 166231611 332463222 498694833 997389666
- Sum of all divisors σ(n): 2746329600
- Sum of proper divisors (its aliquot sum) s(n): 1748939934
- 997389666 is an abundant number, because the sum of its proper divisors (1748939934) is greater than itself. Its abundance is 751550268
Bases of 997389666
- Binary: 1110110111001011110101011000102
- Hexadecimal: 0x3B72F562
- Base-36: GHTISI
Squares and roots of 997389666
- 997389666 squared (9973896662) is 994786145843591556
- 997389666 cubed (9973896663) is 992189421744367070279260296
-
The
square root of 997389666 is 31581.4766279223 -
The
cube root of 997389666 is 999.1291304729
Scales and comparisons
How big is 997389666?- 997,389,666 seconds is equal to 31 years, 37 weeks, 20 hours, 41 minutes, 6 seconds.
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To count from 1 to 997,389,666 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 997389666 cubic inches would be around 83.3 feet tall.
Recreational maths with 997389666
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