990381128
990,381,128 is an even composite number composed of four prime numbers multiplied together.
990381128 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 990381128:
23 × 113 × 281 × 331
(2 × 2 × 2 × 11 × 11 × 11 × 281 × 331)See below for interesting mathematical facts about the number 990381128 from the Numbermatics database.
Names of 990381128
- Cardinal: 990381128 can be written as Nine hundred ninety million, three hundred eighty-one thousand, one hundred twenty-eight.
Scientific notation
- Scientific notation: 9.90381128 × 108
Factors of 990381128
Divisors of 990381128
- Number of divisors d(n): 64
-
Complete list of divisors:
1 2 4 8 11 22 44 88 121 242 281 331 484 562 662 968 1124 1324 1331 2248 2648 2662 3091 3641 5324 6182 7282 10648 12364 14564 24728 29128 34001 40051 68002 80102 93011 136004 160204 186022 272008 320408 372044 374011 440561 744088 748022 881122 1023121 1496044 1762244 2046242 2992088 3524488 4092484 8184968 11254331 22508662 45017324 90034648 123797641 247595282 495190564 990381128
- Sum of all divisors σ(n): 2055983040
- Sum of proper divisors (its aliquot sum) s(n): 1065601912
- 990381128 is an abundant number, because the sum of its proper divisors (1065601912) is greater than itself. Its abundance is 75220784
Bases of 990381128
- Binary: 1110110000100000000100010010002
- Hexadecimal: 0x3B080448
- Base-36: GDNAYW
Squares and roots of 990381128
- 990381128 squared (9903811282) is 980854778698552384
- 990381128 cubed (9903811283) is 971420062131662682033009152
-
The
square root of 990381128 is 31470.3213838055 -
The
cube root of 990381128 is 996.7833737427
Scales and comparisons
How big is 990381128?- 990,381,128 seconds is equal to 31 years, 25 weeks, 3 days, 17 hours, 52 minutes, 8 seconds.
-
To count from 1 to 990,381,128 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 990381128 cubic inches would be around 83.1 feet tall.
Recreational maths with 990381128
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