990394240
990,394,240 is an even composite number composed of four prime numbers multiplied together.
990394240 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 990394240:
27 × 5 × 11 × 140681
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 11 × 140681)See below for interesting mathematical facts about the number 990394240 from the Numbermatics database.
Names of 990394240
- Cardinal: 990394240 can be written as Nine hundred ninety million, three hundred ninety-four thousand, two hundred forty.
Scientific notation
- Scientific notation: 9.9039424 × 108
Factors of 990394240
Divisors of 990394240
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 4 5 8 10 11 16 20 22 32 40 44 55 64 80 88 110 128 160 176 220 320 352 440 640 704 880 1408 1760 3520 7040 140681 281362 562724 703405 1125448 1406810 1547491 2250896 2813620 3094982 4501792 5627240 6189964 7737455 9003584 11254480 12379928 15474910 18007168 22508960 24759856 30949820 45017920 49519712 61899640 90035840 99039424 123799280 198078848 247598560 495197120 990394240
- Sum of all divisors σ(n): 2582921520
- Sum of proper divisors (its aliquot sum) s(n): 1592527280
- 990394240 is an abundant number, because the sum of its proper divisors (1592527280) is greater than itself. Its abundance is 602133040
Bases of 990394240
- Binary: 1110110000100000110111100000002
- Hexadecimal: 0x3B083780
- Base-36: GDNL34
Squares and roots of 990394240
- 990394240 squared (9903942402) is 980880750625177600
- 990394240 cubed (9903942403) is 971458645546052294017024000
-
The
square root of 990394240 is 31470.5297063777 -
The
cube root of 990394240 is 996.7877726437
Scales and comparisons
How big is 990394240?- 990,394,240 seconds is equal to 31 years, 25 weeks, 3 days, 21 hours, 30 minutes, 40 seconds.
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To count from 1 to 990,394,240 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 990394240 cubic inches would be around 83.1 feet tall.
Recreational maths with 990394240
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