668889 (number)

668889 is an odd 6-digits composite number following 668888 and preceding 668890. In scientific notation, it is written as 6.68889 × 10^5. The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors. There are 411552 positive integers (up to 668889) that are relatively prime to 668889.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.68889 × 10^5
Engineering notation 6.68889 × 10^3

Prime Factorization of 668889

Prime Factorization 3 × 3 × 13 × 5717

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 222963
Product of the distinct prime numbers

The prime factorization of 668889 is 3 × 3 × 13 × 5717. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 8, 16, 43, 300, 644, 648, 7757, 8619, 76209, 330403, 561655, 6210990, 8648871, 96740680, 70431572, 708156752, 30638321, 7414345562, 8597242729

Basic calculations (n = 668889)

Multiplication

n×y
n×2 1337778
n×3 2006667
n×4 2675556
n×5 3344445

Division

n÷y
n÷2 334444.5
n÷3 222963
n÷3 167222.25
n÷5 133777.8

Exponentiation

ny
n2 447412494321
n3 299269295913879369
n4 2.0017794007454E+23
n5 1.3389682215852E+29

Nth Root

y√n
2√n 817.85634435395
3√n 87.455008162019
4√n 28.598187780941
5√n 14.624155987736

Divisors of 668889

1, 3, 9, 13, 39, 117, 5717, 17151, 51453, 74321, 222963, 668889

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -668888
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 668889 can be divided by 12 positive divisors. The sum of these divisors (counting 668889) is 1, the average is 0.083333333333333.

Base conversion 668889

Base System Value
2 Binary 10100011010011011001
3 Ternary 1020222112200
4 Quaternary 2203103121
5 Quinary 132401024
6 Senary 22200413
8 Octal 2432331
10 Decimal 668889
12 Duodecimal 283109
16 Hexadecimal a34d9
20 Vigesimal 43c49
36 Base36 ec49

Cryptographic Hash Functions

md5 0215dec023d1334b654e356a101e6045
sha1 a920452fe962e1318876a7e5c30446fce7fb0e17
sha256 312587516895cf86e791b070f3b15af1b5ae34acd89ca90568c52204358c4aec
sha512 23f9443102054018fdb17df43d19a4c6d81a9f0c8b4b68f40774e010fed5a9ee7d7c5c606432a10710d051f3241da3b59ec9fc132ba495c9585631187792c469
ripemd-160 61a508bb11b8cb14c2dc6075cba64ea6b506c263

668889 as geometric shapes

Circle

Radius = n
Diameter 1337778
Circumference 4202753.536934
Area 1405587805283.1

Sphere

Radius = n
Volume 1.2535762953174E+18
Surface area 5622351221132.6
Circumference 4202753.536934

Square

Length = n
Perimeter 2675556
Area 447412494321
Diagonal 945951.89552218

Cube

Length = n
Surface area 2684474965926
Volume 299269295913879369
Space diagonal 1158549.7326239

Equilateral Triangle

Length = n
Perimeter 2006667
Area 193735293026.27
Altitude 579274.86631197

Triangular Pyramid

Length = n
Surface area 193735293026.27
Volume 3.5269224756938E+16
Height 315317.29850739