388645942 (number)

388645942 is an even 9-digits composite number following 388645941 and preceding 388645943. In scientific notation, it is written as 3.88645942 × 10^8. The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors. There are 182892192 positive integers (up to 388645942) that are relatively prime to 388645942.

Interesting facts

Basic properties

Name

Name three hundred eighty-eight million six hundred forty-five thousand nine hundred forty-two

Notation

Scientific notation 3.88645942 × 10^8
Engineering notation 3.88645942 × 10^6

Prime Factorization of 388645942

Prime Factorization 2 × 17 × 11430763

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 388645942
Product of the distinct prime numbers

The prime factorization of 388645942 is 2 × 17 × 11430763. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 3, 4, 24, 24, 660, 9060, 828, 42383, 93097, 831625, 764436, 3380806, 4127188, 17779622, 72882385, 749355842, 555989062, 4479383728, 9101868643

Basic calculations (n = 388645942)

Multiplication

n×y
n×2 777291884
n×3 1165937826
n×4 1554583768
n×5 1943229710

Division

n÷y
n÷2 194322971
n÷3 129548647.33333
n÷3 97161485.5
n÷5 77729188.4

Exponentiation

ny
n2 151045668233067364
n3 5.870328601546E+25
n4 2.2814793891974E+34
n5 8.866877063682E+42

Nth Root

y√n
2√n 19714.105153417
3√n 729.76782633478
4√n 140.40692701365
5√n 52.228893781087

Divisors of 388645942

1, 2, 17, 34, 11430763, 22861526, 194322971, 388645942

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 -388645941
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 388645942 can be divided by 8 positive divisors. The sum of these divisors (counting 388645942) is 1, the average is 0.125.

Base conversion 388645942

Base System Value
2 Binary 10111001010100100010000110110
3 Ternary 1000002022021000011
4 Quaternary 113022210100312
5 Quinary 1243443132232
6 Senary 102322010434
8 Octal 2712442066
10 Decimal 388645942
12 Duodecimal aa1a6a1a
16 Hexadecimal 172a4436
20 Vigesimal 6190eh2
36 Base36 6fe14m

Cryptographic Hash Functions

md5 97b7f73d6f0f410ef996f64360a05a6a
sha1 0d340d04c3574cb5f08774ee6f490c5cf7ae240e
sha256 4da64f2ca10ecb177336e7313b8de9f3546160fbca09c2b1beca8db042fb7bd3
sha512 4c276af74625fb3b1918bb78751a1c849cf4b40678c0a09b98cc758edcfb8105d06f713ce71e262020f0f9d1ef30de43dc0ee01403b3960c6931404ce426ec23
ripemd-160 7498a9f9b73c2fcaaf40da3f937859060ba69c8a

388645942 as geometric shapes

Circle

Radius = n
Diameter 777291884
Circumference 2441934472.4694
Area 4.7452396167757E+17

Sphere

Radius = n
Volume 2.4589574945033E+26
Surface area 1.8980958467103E+18
Circumference 2441934472.4694

Square

Length = n
Perimeter 1554583768
Area 151045668233067364
Diagonal 549628362.13767

Cube

Length = n
Surface area 906274009398404184
Volume 5.870328601546E+25
Space diagonal 673154517.69947

Equilateral Triangle

Length = n
Perimeter 1165937826
Area 6.5404692910716E+16
Altitude 336577258.84973

Triangular Pyramid

Length = n
Surface area 6.5404692910716E+16
Volume 6.9182486032442E+24
Height 183209454.04589