668897128 (number)

668897128 is an even 9-digits composite number following 668897127 and preceding 668897129. In scientific notation, it is written as 6.68897128 × 10^8. The sum of its digits is 55. It has a total of 5 prime factors and 16 positive divisors. There are 316845936 positive integers (up to 668897128) that are relatively prime to 668897128.

Interesting facts

Basic properties

Name

Name six hundred sixty-eight million eight hundred ninety-seven thousand one hundred twenty-eight

Notation

Scientific notation 6.68897128 × 10^8
Engineering notation 6.68897128 × 10^6

Prime Factorization of 668897128

Prime Factorization 2 × 2 × 2 × 19 × 4400639

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 167224282
Product of the distinct prime numbers

The prime factorization of 668897128 is 2 × 2 × 2 × 19 × 4400639. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 668897128)

Multiplication

n×y
n×2 1337794256
n×3 2006691384
n×4 2675588512
n×5 3344485640

Division

n÷y
n÷2 334448564
n÷3 222965709.33333
n÷3 167224282
n÷5 133779425.6

Exponentiation

ny
n2 447423367846648384
n3 2.9928020575271E+26
n4 2.0018767009524E+35
n5 1.3390495758772E+44

Nth Root

y√n
2√n 25863.045605651
3√n 874.55362396891
4√n 160.81991669458
5√n 58.219955110949

Divisors of 668897128

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -668897127
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 668897128 can be divided by 16 positive divisors. The sum of these divisors (counting 668897128) is 1, the average is 0.0625.

Base conversion 668897128

Base System Value
2 Binary 100111110111101000111101101000
3 Ternary 1201121122111100201
4 Quaternary 213313220331220
5 Quinary 2332214202003
6 Senary 150212441544
8 Octal 4767507550
10 Decimal 668897128
12 Duodecimal 1680192b4
16 Hexadecimal 27de8f68
20 Vigesimal a90c2g8
36 Base36 b28sbs

Cryptographic Hash Functions

md5 71b9a5ba38ea00594e723f65df42bdac
sha1 86ab6e8c8744f3fb24f87010c14ee52b2b5a80d8
sha256 9a58fb1cfd2e6fd2873367589bea71aad55bfcbd277270a691fda66f73d5561f
sha512 1965b7b0cc0f73ec948eb40fdb71b4fd85a8519102940f9bfb306ac3bae4c230b4f6d34b8abd7e7ade8f10de3fed9e8da9fbd6f0dccf37ce8437687224fc0000
ripemd-160 9e63999f37087098b765f01c00c6312fd3020e9f

668897128 as geometric shapes

Circle

Radius = n
Diameter 1337794256
Circumference 4202804606.6642
Area 1.4056219654714E+18

Sphere

Radius = n
Volume 1.2536219943434E+27
Surface area 5.6224878618857E+18
Circumference 4202804606.6642

Square

Length = n
Perimeter 2675588512
Area 447423367846648384
Diagonal 945963390.25001

Cube

Length = n
Surface area 2684540207079890304
Volume 2.9928020575271E+26
Space diagonal 1158563810.7329

Equilateral Triangle

Length = n
Perimeter 2006691384
Area 1.9374000140099E+17
Altitude 579281905.36645

Triangular Pyramid

Length = n
Surface area 1.9374000140099E+17
Volume 3.5270510493774E+25
Height 315321130.08334