388640897 (number)

388640897 is an odd 9-digits composite number following 388640896 and preceding 388640898. In scientific notation, it is written as 3.88640897 × 10^8. The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors. There are 386313540 positive integers (up to 388640897) that are relatively prime to 388640897.

Interesting facts

Basic properties

Name

Name three hundred eighty-eight million six hundred forty thousand eight hundred ninety-seven

Notation

Scientific notation 3.88640897 × 10^8
Engineering notation 3.88640897 × 10^6

Prime Factorization of 388640897

Prime Factorization 167 × 2327191

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 388640897
Product of the distinct prime numbers

The prime factorization of 388640897 is 167 × 2327191. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 9, 80, 62, 887, 776, 3973, 751, 67685, 23177, 958960, 241413, 122145, 155698, 67322826, 43443782, 305968240, 653710343, 4561266996, 5954645889

Basic calculations (n = 388640897)

Multiplication

n×y
n×2 777281794
n×3 1165922691
n×4 1554563588
n×5 1943204485

Division

n÷y
n÷2 194320448.5
n÷3 129546965.66667
n÷3 97160224.25
n÷5 77728179.4

Exponentiation

ny
n2 151041746820964609
n3 5.8700999968947E+25
n4 2.2813609282728E+34
n5 8.8663015754471E+42

Nth Root

y√n
2√n 19713.977198932
3√n 729.76466862385
4√n 140.40647135703
5√n 52.228758184077

Divisors of 388640897

1, 167, 2327191, 388640897

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -388640896
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 388640897 can be divided by 4 positive divisors. The sum of these divisors (counting 388640897) is 1, the average is 0.25.

Base conversion 388640897

Base System Value
2 Binary 10111001010100011000010000001
3 Ternary 1000002022000002022
4 Quaternary 113022203002001
5 Quinary 1243443002042
6 Senary 102321531225
8 Octal 2712430201
10 Decimal 388640897
12 Duodecimal aa1a3b15
16 Hexadecimal 172a3081
20 Vigesimal 619024h
36 Base36 6fdx8h

Cryptographic Hash Functions

md5 ef8bcda28363031966287d1986747c95
sha1 18b7abc90436abead846ee299e0ec67f6dd2dab9
sha256 f9584eca18af5e7fb47e1e4a265a7830a8c05e74b0875a07ada311f6a16997a6
sha512 7f9cc0dbe4377c7724cc33b09ca4c89f1905f8e14ed97315e35333a473d16f17e44ca7a352524362e07aae357c39a1e1b8d4ea01ed45ca3d0da69b5d448e3ab1
ripemd-160 05096cc7095773edef5d5982ca67f4954c0eca2f

388640897 as geometric shapes

Circle

Radius = n
Diameter 777281794
Circumference 2441902773.7995
Area 4.7451164219811E+17

Sphere

Radius = n
Volume 2.4588617368109E+26
Surface area 1.8980465687924E+18
Circumference 2441902773.7995

Square

Length = n
Perimeter 1554563588
Area 151041746820964609
Diagonal 549621227.43025

Cube

Length = n
Surface area 906250480925787654
Volume 5.8700999968947E+25
Space diagonal 673145779.50314

Equilateral Triangle

Length = n
Perimeter 1165922691
Area 6.5402994889466E+16
Altitude 336572889.75157

Triangular Pyramid

Length = n
Surface area 6.5402994889466E+16
Volume 6.9179791900789E+24
Height 183207075.81008