398642018 (number)

398642018 is an even 9-digits composite number following 398642017 and preceding 398642019. In scientific notation, it is written as 3.98642018 × 10^8. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 198729216 positive integers (up to 398642018) that are relatively prime to 398642018.

Interesting facts

Basic properties

Name

Name three hundred ninety-eight million six hundred forty-two thousand eighteen

Notation

Scientific notation 3.98642018 × 10^8
Engineering notation 3.98642018 × 10^6

Prime Factorization of 398642018

Prime Factorization 2 × 337 × 591457

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 398642018
Product of the distinct prime numbers

The prime factorization of 398642018 is 2 × 337 × 591457. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 398642018)

Multiplication

n×y
n×2 797284036
n×3 1195926054
n×4 1594568072
n×5 1993210090

Division

n÷y
n÷2 199321009
n÷3 132880672.66667
n÷3 99660504.5
n÷5 79728403.6

Exponentiation

ny
n2 158915458515112324
n3 6.335037907386E+25
n4 2.5254122955068E+34
n5 1.0067354537629E+43

Nth Root

y√n
2√n 19966.021586686
3√n 735.97154628697
4√n 141.30117333797
5√n 52.494839778172

Divisors of 398642018

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -398642017
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 398642018 can be divided by 8 positive divisors. The sum of these divisors (counting 398642018) is 1, the average is 0.125.

Base conversion 398642018

Base System Value
2 Binary 10111110000101100101101100010
3 Ternary 1000210010010001012
4 Quaternary 113300230231202
5 Quinary 1304023021033
6 Senary 103320140522
8 Octal 2760545542
10 Decimal 398642018
12 Duodecimal b1607742
16 Hexadecimal 17c2cb62
20 Vigesimal 64ba50i
36 Base36 6lca5e

Cryptographic Hash Functions

md5 06c692aaffb2895ed21470cf37ba49e5
sha1 ea9b5e704a6d97ad47a3b290a85974a2f514d30f
sha256 58372945db4d9f290e73b47246e307d11b16eba6a1e948e7002a2110127e05dc
sha512 c712cecb4fb03b5994ea17ea9b41843d49b40fcd5d159633686fb6d250914bf8aff71702fca7cbd944035ea312076b13a531c840ab8bf872299a4d459aafc3eb
ripemd-160 8670ce4871c82762052a6a4bc7455e87a654b120

398642018 as geometric shapes

Circle

Radius = n
Diameter 797284036
Circumference 2504741670.322
Area 4.9924763701293E+17

Sphere

Radius = n
Volume 2.6536144733409E+26
Surface area 1.9969905480517E+18
Circumference 2504741670.322

Square

Length = n
Perimeter 1594568072
Area 158915458515112324
Diagonal 563764948.38738

Cube

Length = n
Surface area 953492751090673944
Volume 6.335037907386E+25
Space diagonal 690468229.20779

Equilateral Triangle

Length = n
Perimeter 1195926054
Area 6.881241206407E+16
Altitude 345234114.60389

Triangular Pyramid

Length = n
Surface area 6.881241206407E+16
Volume 7.4659137723108E+24
Height 187921649.46246