668749 (number)

668749 is an odd 6-digits composite number following 668748 and preceding 668750. In scientific notation, it is written as 6.68749 × 10^5. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 659260 positive integers (up to 668749) that are relatively prime to 668749.

Interesting facts

Basic properties

Name

Name six hundred sixty-eight thousand seven hundred forty-nine

Notation

Scientific notation 6.68749 × 10^5
Engineering notation 6.68749 × 10^3

Prime Factorization of 668749

Prime Factorization 71 × 9419

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 668749
Product of the distinct prime numbers

The prime factorization of 668749 is 71 × 9419. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 668749)

Multiplication

n×y
n×2 1337498
n×3 2006247
n×4 2674996
n×5 3343745

Division

n÷y
n÷2 334374.5
n÷3 222916.33333333
n÷3 167187.25
n÷5 133749.8

Exponentiation

ny
n2 447225225001
n3 299081421994193749
n4 2.000104018772E+23
n5 1.3375675624497E+29

Nth Root

y√n
2√n 817.77075027174
3√n 87.448906225099
4√n 28.596691246921
5√n 14.623543762608

Divisors of 668749

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 -668748
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 668749 can be divided by 4 positive divisors. The sum of these divisors (counting 668749) is 1, the average is 0.25.

Base conversion 668749

Base System Value
2 Binary 10100011010001001101
3 Ternary 1020222100111
4 Quaternary 2203101031
5 Quinary 132344444
6 Senary 22200021
8 Octal 2432115
10 Decimal 668749
12 Duodecimal 283011
16 Hexadecimal a344d
20 Vigesimal 43bh9
36 Base36 ec0d

Cryptographic Hash Functions

md5 06fcd40ba8c35186243fa1035c653353
sha1 d00df3cb988e06bc939054374c4459537d110b74
sha256 22315a8a7bf048bc994f3b6d3cb48aa3db93c01e0fbfa39f5015ed63732fff21
sha512 a799f56afed367116ab6d7c5ad2a11d66a4eab8e13231983744485cdfff9cb13c80471115bf182429ec448709663aae061507fb765f17368a01865bc9ac1aafe
ripemd-160 5546f4896da95090a5da8ca93ca43d41ade042f9

668749 as geometric shapes

Circle

Radius = n
Diameter 1337498
Circumference 4201873.890991
Area 1404999481363.2

Sphere

Radius = n
Volume 1.2527893308829E+18
Surface area 5619997925452.7
Circumference 4201873.890991

Square

Length = n
Perimeter 2674996
Area 447225225001
Diagonal 945753.90562345

Cube

Length = n
Surface area 2683351350006
Volume 299081421994193749
Space diagonal 1158307.2455109

Equilateral Triangle

Length = n
Perimeter 2006247
Area 193654203032.04
Altitude 579153.62275544

Triangular Pyramid

Length = n
Surface area 193654203032.04
Volume 3.5247083603168E+16
Height 315251.30187448