668889389 (number)

668889389 is an odd 9-digits composite number following 668889388 and preceding 668889390. In scientific notation, it is written as 6.68889389 × 10^8. The sum of its digits is 65. It has a total of 2 prime factors and 4 positive divisors. There are 573333756 positive integers (up to 668889389) that are relatively prime to 668889389.

Interesting facts

Basic properties

Name

Name six hundred sixty-eight million eight hundred eighty-nine thousand three hundred eighty-nine

Notation

Scientific notation 6.68889389 × 10^8
Engineering notation 6.68889389 × 10^6

Prime Factorization of 668889389

Prime Factorization 7 × 95555627

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 668889389
Product of the distinct prime numbers

The prime factorization of 668889389 is 7 × 95555627. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 4, 61, 53, 112, 227, 1207, 1580, 70861, 54002, 631235, 962925, 2119998, 71163, 90198910, 80349328, 656547811, 944973029, 1234786462, 9776591557

Basic calculations (n = 668889389)

Multiplication

n×y
n×2 1337778778
n×3 2006668167
n×4 2675557556
n×5 3344446945

Division

n÷y
n÷2 334444694.5
n÷3 222963129.66667
n÷3 167222347.25
n÷5 133777877.8

Exponentiation

ny
n2 447413014716793321
n3 2.9926981804456E+26
n4 2.0017840573797E+35
n5 1.3389721150506E+44

Nth Root

y√n
2√n 25862.895990202
3√n 874.55025115501
4√n 160.81945152935
5√n 58.219820391783

Divisors of 668889389

1, 7, 95555627, 668889389

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 -668889388
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 668889389 can be divided by 4 positive divisors. The sum of these divisors (counting 668889389) is 1, the average is 0.25.

Base conversion 668889389

Base System Value
2 Binary 100111110111100111000100101101
3 Ternary 1201121122002202002
4 Quaternary 213313213010231
5 Quinary 2332213430024
6 Senary 150212342045
8 Octal 4767470455
10 Decimal 668889389
12 Duodecimal 168014925
16 Hexadecimal 27de712d
20 Vigesimal a90b399
36 Base36 b28mct

Cryptographic Hash Functions

md5 d96fc9e678e784ac384d063e99d59b06
sha1 3586dc2f2204eb8f3cea74b3929cc307a2184be5
sha256 9bbcb95ff6d7d9cb2058263b4b2fcac2416cfe1fd4d2751bc0b20ed8eceafdb8
sha512 c5ad1565734306b9b428a840b8e9bddda6fdb4a45ab92730a1cd0ff2f1a8dfa74fcefc265ddacf9570a96d799f23fd839f72b5d81d9b115a4ce859fe7c186aed
ripemd-160 e268431bf3ca09d8ec17aa977b38678c2bd50b92

668889389 as geometric shapes

Circle

Radius = n
Diameter 1337778778
Circumference 4202755981.0931
Area 1.4055894401547E+18

Sphere

Radius = n
Volume 1.2535784824133E+27
Surface area 5.622357760619E+18
Circumference 4202755981.0931

Square

Length = n
Perimeter 2675557556
Area 447413014716793321
Diagonal 945952445.65125

Cube

Length = n
Surface area 2684478088300759926
Volume 2.9926981804456E+26
Space diagonal 1158550406.3917

Equilateral Triangle

Length = n
Perimeter 2006668167
Area 1.9373551836426E+17
Altitude 579275203.19585

Triangular Pyramid

Length = n
Surface area 1.9373551836426E+17
Volume 3.5269286290629E+25
Height 315317481.88375