668568081 (number)

668568081 is an odd 9-digits composite number following 668568080 and preceding 668568082. In scientific notation, it is written as 6.68568081 × 10^8. The sum of its digits is 48. It has a total of 2 prime factors and 4 positive divisors. There are 445712052 positive integers (up to 668568081) that are relatively prime to 668568081.

Interesting facts

Basic properties

Name

Name six hundred sixty-eight million five hundred sixty-eight thousand eighty-one

Notation

Scientific notation 6.68568081 × 10^8
Engineering notation 6.68568081 × 10^6

Prime Factorization of 668568081

Prime Factorization 3 × 222856027

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 668568081
Product of the distinct prime numbers

The prime factorization of 668568081 is 3 × 222856027. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 3, 35, 53, 262, 344, 3789, 6214, 94489, 74170, 745802, 727329, 7466215, 3713971, 16755050, 56121595, 565062066, 890939353, 8003342369, 6289563995

Basic calculations (n = 668568081)

Multiplication

n×y
n×2 1337136162
n×3 2005704243
n×4 2674272324
n×5 3342840405

Division

n÷y
n÷2 334284040.5
n÷3 222856027
n÷3 167142020.25
n÷5 133713616.2

Exponentiation

ny
n2 446983278932022561
n3 2.9883875303467E+26
n4 1.9979405164482E+35
n5 1.3357592570339E+44

Nth Root

y√n
2√n 25856.683488027
3√n 874.41019561295
4√n 160.80013522391
5√n 58.214226017066

Divisors of 668568081

1, 3, 222856027, 668568081

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 -668568080
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 668568081 can be divided by 4 positive divisors. The sum of these divisors (counting 668568081) is 1, the average is 0.25.

Base conversion 668568081

Base System Value
2 Binary 100111110110011000101000010001
3 Ternary 1201121000202222210
4 Quaternary 213312120220101
5 Quinary 2332123134311
6 Senary 150201422333
8 Octal 4766305021
10 Decimal 668568081
12 Duodecimal 167a9a9a9
16 Hexadecimal 27d98a11
20 Vigesimal a8ib041
36 Base36 b21qfl

Cryptographic Hash Functions

md5 6acaca89681fec941986ffc527a374dc
sha1 d845e31dbc3c8316bb9bf51617f73c5985cb11ab
sha256 aac300d83a23c5a0ca2f51d0c5aef8376c43121df5db88cf345e25316a8c1cdf
sha512 9fb4b5e87adcf5f47579725efc50417e7564e77107b5534cc68e53b7195c65d7ff216d8d1f9797b1f6fc35c1fe0be64a38eaa68dc17322db95ba2eb9a38d0fe4
ripemd-160 d316842f33d844007c3bd3e8f9e8b547bbb10b9b

668568081 as geometric shapes

Circle

Radius = n
Diameter 1337136162
Circumference 4200737143.3885
Area 1.4042393853703E+18

Sphere

Radius = n
Volume 1.2517728415222E+27
Surface area 5.6169575414813E+18
Circumference 4200737143.3885

Square

Length = n
Perimeter 2674272324
Area 446983278932022561
Diagonal 945498047.51995

Cube

Length = n
Surface area 2681899673592135366
Volume 2.9883875303467E+26
Space diagonal 1157993884.6108

Equilateral Triangle

Length = n
Perimeter 2005704243
Area 1.93549437311E+17
Altitude 578996942.30541

Triangular Pyramid

Length = n
Surface area 1.93549437311E+17
Volume 3.5218484792025E+25
Height 315166015.83998