9992118990
9,992,118,990 is an even composite number composed of seven prime numbers multiplied together.
9992118990 is an even 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 9992118990:
2 × 3 × 5 × 7 × 37 × 157 × 8191
See below for interesting mathematical facts about the number 9992118990 from the Numbermatics database.
Names of 9992118990
- Cardinal: 9992118990 can be written as Nine billion, nine hundred ninety-two million, one hundred eighteen thousand, nine hundred ninety.
Scientific notation
- Scientific notation: 9.99211899 × 109
Factors of 9992118990
Divisors of 9992118990
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 5 6 7 10 14 15 21 30 35 37 42 70 74 105 111 157 185 210 222 259 314 370 471 518 555 777 785 942 1099 1110 1295 1554 1570 2198 2355 2590 3297 3885 4710 5495 5809 6594 7770 8191 10990 11618 16382 16485 17427 24573 29045 32970 34854 40663 40955 49146 57337 58090 81326 81910 87135 114674 121989 122865 172011 174270 203315 243978 245730 286685 303067 344022 406630 573370 606134 609945 860055 909201 1219890 1285987 1515335 1720110 1818402 2121469 2571974 3030670 3857961 4242938 4546005 6364407 6429935 7715922 9001909 9092010 10607345 12728814 12859870 18003818 19289805 21214690 27005727 31822035 38579610 45009545 47581519 54011454 63644070 90019090 95163038 135028635 142744557 237907595 270057270 285489114 333070633 475815190 666141266 713722785 999211899 1427445570 1665353165 1998423798 3330706330 4996059495 9992118990
- Sum of all divisors σ(n): 28330426368
- Sum of proper divisors (its aliquot sum) s(n): 18338307378
- 9992118990 is an abundant number, because the sum of its proper divisors (18338307378) is greater than itself. Its abundance is 8346188388
Bases of 9992118990
- Binary: 10010100111001001110100010110011102
- Hexadecimal: 0x25393A2CE
- Base-36: 4L91SCU
Squares and roots of 9992118990
- 9992118990 squared (99921189902) is 99842441910318620100
- 9992118990 cubed (99921189903) is 997637559820066560851805699000
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The
square root of 9992118990 is 99960.5871831493 -
The
cube root of 9992118990 is 2153.8685705749
Scales and comparisons
How big is 9992118990?- 9,992,118,990 seconds is equal to 317 years, 37 weeks, 2 days, 12 hours, 36 minutes, 30 seconds.
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To count from 1 to 9,992,118,990 would take you about six hundred thirty-five 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 9992118990 cubic inches would be around 179.5 feet tall.
Recreational maths with 9992118990
- 9992118990 backwards is 0998112999
- The number of decimal digits it has is: 10
- The sum of 9992118990's digits is 57
- More coming soon!
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