989900450
989,900,450 is an even composite number composed of six prime numbers multiplied together.
989900450 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 989900450:
2 × 52 × 72 × 11 × 23 × 1597
(2 × 5 × 5 × 7 × 7 × 11 × 23 × 1597)See below for interesting mathematical facts about the number 989900450 from the Numbermatics database.
Names of 989900450
- Cardinal: 989900450 can be written as Nine hundred eighty-nine million, nine hundred thousand, four hundred fifty.
Scientific notation
- Scientific notation: 9.8990045 × 108
Factors of 989900450
Divisors of 989900450
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 5 7 10 11 14 22 23 25 35 46 49 50 55 70 77 98 110 115 154 161 175 230 245 253 275 322 350 385 490 506 539 550 575 770 805 1078 1127 1150 1225 1265 1597 1610 1771 1925 2254 2450 2530 2695 3194 3542 3850 4025 5390 5635 6325 7985 8050 8855 11179 11270 12397 12650 13475 15970 17567 17710 22358 24794 26950 28175 35134 36731 39925 44275 55895 56350 61985 73462 78253 79850 87835 88550 111790 122969 123970 156506 175670 183655 245938 257117 279475 309925 367310 391265 404041 439175 514234 558950 614845 619850 782530 808082 860783 878350 918275 1229690 1285585 1721566 1799819 1836550 1956325 2020205 2571170 2828287 3074225 3599638 3912650 4040410 4303915 5656574 6148450 6427925 8607830 8999095 10101025 12855850 14141435 17998190 19798009 20202050 21519575 28282870 39596018 43039150 44995475 70707175 89990950 98990045 141414350 197980090 494950225 989900450
- Sum of all divisors σ(n): 2439647424
- Sum of proper divisors (its aliquot sum) s(n): 1449746974
- 989900450 is an abundant number, because the sum of its proper divisors (1449746974) is greater than itself. Its abundance is 459846524
Bases of 989900450
- Binary: 1110110000000010101110101000102
- Hexadecimal: 0x3B00AEA2
- Base-36: GDD02Q
Squares and roots of 989900450
- 989900450 squared (9899004502) is 979902900910202500
- 989900450 cubed (9899004503) is 970006322567314864341125000
-
The
square root of 989900450 is 31462.6834519881 -
The
cube root of 989900450 is 996.6220858769
Scales and comparisons
How big is 989900450?- 989,900,450 seconds is equal to 31 years, 24 weeks, 5 days, 4 hours, 20 minutes, 50 seconds.
-
To count from 1 to 989,900,450 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 989900450 cubic inches would be around 83.1 feet tall.
Recreational maths with 989900450
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