388625981 (number)

388625981 is an odd 9-digits composite number following 388625980 and preceding 388625982. In scientific notation, it is written as 3.88625981 × 10^8. The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors. There are 366240960 positive integers (up to 388625981) that are relatively prime to 388625981.

Interesting facts

Basic properties

Name

Name three hundred eighty-eight million six hundred twenty-five thousand nine hundred eighty-one

Notation

Scientific notation 3.88625981 × 10^8
Engineering notation 3.88625981 × 10^6

Prime Factorization of 388625981

Prime Factorization 19 × 191 × 107089

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 388625981
Product of the distinct prime numbers

The prime factorization of 388625981 is 19 × 191 × 107089. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 9, 19, 70, 419, 75, 7792, 5746, 63378, 2593, 789469, 765454, 7368763, 3570022, 96895033, 75651223, 419133597, 244302313, 5359808651, 6421852010

Basic calculations (n = 388625981)

Multiplication

n×y
n×2 777251962
n×3 1165877943
n×4 1554503924
n×5 1943129905

Division

n÷y
n÷2 194312990.5
n÷3 129541993.66667
n÷3 97156495.25
n÷5 77725196.2

Exponentiation

ny
n2 151030153108212361
n3 5.8694241412259E+25
n4 2.281010714789E+34
n5 8.8646002670639E+42

Nth Root

y√n
2√n 19713.598885034
3√n 729.7553324053
4√n 140.40512414094
5√n 52.228357270986

Divisors of 388625981

1, 19, 191, 3629, 107089, 2034691, 20453999, 388625981

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 -388625980
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 388625981 can be divided by 8 positive divisors. The sum of these divisors (counting 388625981) is 1, the average is 0.125.

Base conversion 388625981

Base System Value
2 Binary 10111001010011111011000111101
3 Ternary 1000002021020121212
4 Quaternary 113022133120331
5 Quinary 1243442012411
6 Senary 102321334205
8 Octal 2712373075
10 Decimal 388625981
12 Duodecimal aa197365
16 Hexadecimal 1729f63d
20 Vigesimal 618i4j1
36 Base36 6fdlq5

Cryptographic Hash Functions

md5 a31ad64e6ef5c958c5e6e341a139bea7
sha1 fd8334dc8004e9d94f38c6589f3f7fe558062648
sha256 5ac1e1c51efdcd4a94f2d7f8759c81360351c140dc973479770d23ef29732912
sha512 0793d8bd65c0846a719fb8393b2684d8db780415063cfab5df11cf05154a5edee7efc0ec1b1df4c44c147eec1b3e42ed6b70b87131807fbf07254f176b96e54f
ripemd-160 f55e44dd1171431c4c1f4aa728f794ffe23ea2ee

388625981 as geometric shapes

Circle

Radius = n
Diameter 777251962
Circumference 2441809053.8075
Area 4.744752194753E+17

Sphere

Radius = n
Volume 2.4585786350504E+26
Surface area 1.8979008779012E+18
Circumference 2441809053.8075

Square

Length = n
Perimeter 1554503924
Area 151030153108212361
Diagonal 549600133.02075

Cube

Length = n
Surface area 906180918649274166
Volume 5.8694241412259E+25
Space diagonal 673119944.2333

Equilateral Triangle

Length = n
Perimeter 1165877943
Area 6.5397974664583E+16
Altitude 336559972.11665

Triangular Pyramid

Length = n
Surface area 6.5397974664583E+16
Volume 6.9171826865348E+24
Height 183200044.34025