668889808 (number)

668889808 is an even 9-digits composite number following 668889807 and preceding 668889809. In scientific notation, it is written as 6.68889808 × 10^8. The sum of its digits is 61. It has a total of 5 prime factors and 10 positive divisors. There are 334444896 positive integers (up to 668889808) that are relatively prime to 668889808.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.68889808 × 10^8
Engineering notation 6.68889808 × 10^6

Prime Factorization of 668889808

Prime Factorization 2 × 2 × 2 × 2 × 41805613

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 83611226
Product of the distinct prime numbers

The prime factorization of 668889808 is 2 × 2 × 2 × 2 × 41805613. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 9, 93, 76, 773, 953, 6092, 4951, 12812, 22559, 736117, 592182, 9077171, 2453857, 27030668, 70531620, 242104774, 975918886, 1453174024, 2836452020

Basic calculations (n = 668889808)

Multiplication

n×y
n×2 1337779616
n×3 2006669424
n×4 2675559232
n×5 3344449040

Division

n÷y
n÷2 334444904
n÷3 222963269.33333
n÷3 167222452
n÷5 133777961.6

Exponentiation

ny
n2 447413575246276864
n3 2.9927038044308E+26
n4 2.0017890731466E+35
n5 1.3389763087935E+44

Nth Root

y√n
2√n 25862.904090608
3√n 874.55043376441
4√n 160.81947671414
5√n 58.219827685694

Divisors of 668889808

1, 2, 4, 8, 16, 41805613, 83611226, 167222452, 334444904, 668889808

10 divisors

τ Total Divisors 10
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -668889807
Sum of the proper positive divisors of n
A Arithmetic Mean 0.1
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 10
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 668889808 can be divided by 10 positive divisors. The sum of these divisors (counting 668889808) is 1, the average is 0.1.

Base conversion 668889808

Base System Value
2 Binary 100111110111100111001011010000
3 Ternary 1201121122010022121
4 Quaternary 213313213023100
5 Quinary 2332213433213
6 Senary 150212344024
8 Octal 4767471320
10 Decimal 668889808
12 Duodecimal 168015014
16 Hexadecimal 27de72d0
20 Vigesimal a90b4a8
36 Base36 b28mog

Cryptographic Hash Functions

md5 22f0f14aae3d33ed17745e657da7ac22
sha1 15c20a4a8fd5c1f8a9b240a8948b68945fdc3a15
sha256 140b0db1d3752ee0abb5e8ed9243dfa3a3f2e1e651c264a04aaba2a4f61d844e
sha512 bfa7c0ec57c799518862b168095fcb1eae42b46217563e265972571490081ba2e10dbd673f51df94d38fcbd7134c90aafa97ca7103c73a6c4d1284a91788fa68
ripemd-160 fe98b01731813bf8c355e4f1d8e2fb0c010f7b49

668889808 as geometric shapes

Circle

Radius = n
Diameter 1337779616
Circumference 4202758613.7478
Area 1.40559120111E+18

Sphere

Radius = n
Volume 1.2535808381827E+27
Surface area 5.6223648044402E+18
Circumference 4202758613.7478

Square

Length = n
Perimeter 2675559232
Area 447413575246276864
Diagonal 945953038.20674

Cube

Length = n
Surface area 2684481451477661184
Volume 2.9927038044308E+26
Space diagonal 1158551132.121

Equilateral Triangle

Length = n
Perimeter 2006669424
Area 1.9373576108065E+17
Altitude 579275566.0605

Triangular Pyramid

Length = n
Surface area 1.9373576108065E+17
Volume 3.5269352569929E+25
Height 315317679.40225