998442885
998,442,885 is an odd composite number composed of seven prime numbers multiplied together.
998442885 is an odd composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 998442885:
3 × 5 × 11 × 29 × 31 × 53 × 127
See below for interesting mathematical facts about the number 998442885 from the Numbermatics database.
Names of 998442885
- Cardinal: 998442885 can be written as Nine hundred ninety-eight million, four hundred forty-two thousand, eight hundred eighty-five.
Scientific notation
- Scientific notation: 9.98442885 × 108
Factors of 998442885
Divisors of 998442885
- Number of divisors d(n): 128
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Complete list of divisors:
1 3 5 11 15 29 31 33 53 55 87 93 127 145 155 159 165 265 319 341 381 435 465 583 635 795 899 957 1023 1397 1537 1595 1643 1705 1749 1905 2697 2915 3683 3937 4191 4495 4611 4785 4929 5115 6731 6985 7685 8215 8745 9889 11049 11811 13485 16907 18073 18415 19685 20193 20955 23055 24645 29667 33655 40513 43307 47647 49445 50721 54219 55245 59055 74041 84535 90365 100965 114173 121539 129921 142941 148335 195199 202565 208661 216535 222123 238235 253605 271095 342519 370205 524117 570865 585597 607695 625983 649605 714705 975995 1043305 1110615 1255903 1572351 1712595 2147189 2295271 2620585 2927985 3129915 3767709 6051169 6279515 6441567 6885813 7861755 10735945 11476355 18153507 18838545 30255845 32207835 34429065 66562859 90767535 199688577 332814295 998442885
- Sum of all divisors σ(n): 1911029760
- Sum of proper divisors (its aliquot sum) s(n): 912586875
- 998442885 is a deficient number, because the sum of its proper divisors (912586875) is less than itself. Its deficiency is 85856010
Bases of 998442885
- Binary: 1110111000001100000111100001012
- Hexadecimal: 0x3B830785
- Base-36: GIG3GL
Squares and roots of 998442885
- 998442885 squared (9984428852) is 996888194607123225
- 998442885 cubed (9984428853) is 995335925045977554319504125
-
The
square root of 998442885 is 31598.1468602195 -
The
cube root of 998442885 is 999.4806920325
Scales and comparisons
How big is 998442885?- 998,442,885 seconds is equal to 31 years, 38 weeks, 6 days, 1 hour, 14 minutes, 45 seconds.
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To count from 1 to 998,442,885 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 998442885 cubic inches would be around 83.3 feet tall.
Recreational maths with 998442885
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