668889391 (number)

668889391 is an odd 9-digits prime number following 668889390 and preceding 668889392. In scientific notation, it is written as 6.68889391 × 10^8. The sum of its digits is 58. It has a total of 1 prime factors and 2 positive divisors. There are 668889390 positive integers (up to 668889391) that are relatively prime to 668889391.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.68889391 × 10^8
Engineering notation 6.68889391 × 10^6

Prime Factorization of 668889391

Prime Factorization 668889391

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 668889391
Product of the distinct prime numbers

The prime factorization of 668889391 is 668889391. Since it has a total of 1 prime factors.

Most popular turbo-numbers

3, 4, 83, 8, 624, 51, 917, 3500, 36559, 90977, 206682, 150475, 9883661, 7347770, 62100163, 18790604, 958479951, 459585745, 3819154459, 7251926243

Basic calculations (n = 668889391)

Multiplication

n×y
n×2 1337778782
n×3 2006668173
n×4 2675557564
n×5 3344446955

Division

n÷y
n÷2 334444695.5
n÷3 222963130.33333
n÷3 167222347.75
n÷5 133777878.2

Exponentiation

ny
n2 447413017392350881
n3 2.9926982072904E+26
n4 2.0017840813213E+35
n5 1.3389721350685E+44

Nth Root

y√n
2√n 25862.896028867
3√n 874.55025202665
4√n 160.81945164957
5√n 58.219820426599

Divisors of 668889391

1, 668889391

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 668889392
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 334444696
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 25862.8960482
Returns the nth root of the product of n divisors
H Harmonic Mean 1.99999999701
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 668889391 can be divided by 2 positive divisors. The sum of these divisors (counting 668889391) is 668889392, the average is 334444696.

Base conversion 668889391

Base System Value
2 Binary 100111110111100111000100101111
3 Ternary 1201121122002202011
4 Quaternary 213313213010233
5 Quinary 2332213430031
6 Senary 150212342051
8 Octal 4767470457
10 Decimal 668889391
12 Duodecimal 168014927
16 Hexadecimal 27de712f
20 Vigesimal a90b39b
36 Base36 b28mcv

Cryptographic Hash Functions

md5 8f908b34725e33a9b75ac764c9380d7f
sha1 a54b1499a1d3dc1dfb1dc7d2207771ae3802c229
sha256 eb171d469fc3fdc0ef4b69998ac15779ff1d0eac6bf6aa42009696784073315d
sha512 989ea245b3b689cd3879017f79e2b68fd289796abb91f62adc39f4195e448d7b99fad3433ecacfcff427585f98ee0c24d13980a497afb682a7be1420a1dd7f93
ripemd-160 e74d0c7e08114f466aafba504ddcb4481e9422bd

668889391 as geometric shapes

Circle

Radius = n
Diameter 1337778782
Circumference 4202755993.6595
Area 1.4055894485603E+18

Sphere

Radius = n
Volume 1.253578493658E+27
Surface area 5.622357794241E+18
Circumference 4202755993.6595

Square

Length = n
Perimeter 2675557564
Area 447413017392350881
Diagonal 945952448.47968

Cube

Length = n
Surface area 2684478104354105286
Volume 2.9926982072904E+26
Space diagonal 1158550409.8558

Equilateral Triangle

Length = n
Perimeter 2006668173
Area 1.9373551952281E+17
Altitude 579275204.9279

Triangular Pyramid

Length = n
Surface area 1.9373551952281E+17
Volume 3.5269286606998E+25
Height 315317482.82656