991423000
991,423,000 is an even composite number composed of five prime numbers multiplied together.
991423000 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 991423000:
23 × 53 × 17 × 29 × 2011
(2 × 2 × 2 × 5 × 5 × 5 × 17 × 29 × 2011)See below for interesting mathematical facts about the number 991423000 from the Numbermatics database.
Names of 991423000
- Cardinal: 991423000 can be written as Nine hundred ninety-one million, four hundred twenty-three thousand.
Scientific notation
- Scientific notation: 9.91423 × 108
Factors of 991423000
Divisors of 991423000
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 4 5 8 10 17 20 25 29 34 40 50 58 68 85 100 116 125 136 145 170 200 232 250 290 340 425 493 500 580 680 725 850 986 1000 1160 1450 1700 1972 2011 2125 2465 2900 3400 3625 3944 4022 4250 4930 5800 7250 8044 8500 9860 10055 12325 14500 16088 17000 19720 20110 24650 29000 34187 40220 49300 50275 58319 61625 68374 80440 98600 100550 116638 123250 136748 170935 201100 233276 246500 251375 273496 291595 341870 402200 466552 493000 502750 583190 683740 854675 991423 1005500 1166380 1367480 1457975 1709350 1982846 2011000 2332760 2915950 3418700 3965692 4273375 4957115 5831900 6837400 7289875 7931384 8546750 9914230 11663800 14579750 17093500 19828460 24785575 29159500 34187000 39656920 49571150 58319000 99142300 123927875 198284600 247855750 495711500 991423000
- Sum of all divisors σ(n): 2542363200
- Sum of proper divisors (its aliquot sum) s(n): 1550940200
- 991423000 is an abundant number, because the sum of its proper divisors (1550940200) is greater than itself. Its abundance is 559517200
Bases of 991423000
- Binary: 1110110001011111101010000110002
- Hexadecimal: 0x3B17EA18
- Base-36: GE9MVS
Squares and roots of 991423000
- 991423000 squared (9914230002) is 982919564929000000
- 991423000 cubed (9914230003) is 974489063820603967000000000
-
The
square root of 991423000 is 31486.8702795309 -
The
cube root of 991423000 is 997.1327869465
Scales and comparisons
How big is 991423000?- 991,423,000 seconds is equal to 31 years, 27 weeks, 1 day, 19 hours, 16 minutes, 40 seconds.
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To count from 1 to 991,423,000 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 991423000 cubic inches would be around 83.1 feet tall.
Recreational maths with 991423000
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