398421120
398,421,120 is an even composite number composed of four prime numbers multiplied together.
398421120 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 398421120:
27 × 3 × 5 × 207511
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 207511)See below for interesting mathematical facts about the number 398421120 from the Numbermatics database.
Names of 398421120
- Cardinal: 398421120 can be written as Three hundred ninety-eight million, four hundred twenty-one thousand, one hundred twenty.
Scientific notation
- Scientific notation: 3.9842112 × 108
Factors of 398421120
Divisors of 398421120
- Number of divisors d(n): 64
-
Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 320 384 480 640 960 1920 207511 415022 622533 830044 1037555 1245066 1660088 2075110 2490132 3112665 3320176 4150220 4980264 6225330 6640352 8300440 9960528 12450660 13280704 16600880 19921056 24901320 26561408 33201760 39842112 49802640 66403520 79684224 99605280 132807040 199210560 398421120
- Sum of all divisors σ(n): 1269973440
- Sum of proper divisors (its aliquot sum) s(n): 871552320
- 398421120 is an abundant number, because the sum of its proper divisors (871552320) is greater than itself. Its abundance is 473131200
Bases of 398421120
- Binary: 101111011111101101100100000002
- Hexadecimal: 0x17BF6C80
- Base-36: 6L7JPC
Squares and roots of 398421120
- 398421120 squared (3984211202) is 158739388862054400
- 398421120 cubed (3984211203) is 63245125098535239548928000
-
The
square root of 398421120 is 19960.4889719665 -
The
cube root of 398421120 is 735.8355807895
Scales and comparisons
How big is 398421120?- 398,421,120 seconds is equal to 12 years, 34 weeks, 5 days, 8 hours, 32 minutes.
-
To count from 1 to 398,421,120 would take you about nineteen 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 398421120 cubic inches would be around 61.3 feet tall.
Recreational maths with 398421120
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