668045405 (number)

668045405 is an odd 9-digits composite number following 668045404 and preceding 668045406. In scientific notation, it is written as 6.68045405 × 10^8. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 528490560 positive integers (up to 668045405) that are relatively prime to 668045405.

Interesting facts

Basic properties

Name

Name six hundred sixty-eight million forty-five thousand four hundred five

Notation

Scientific notation 6.68045405 × 10^8
Engineering notation 6.68045405 × 10^6

Prime Factorization of 668045405

Prime Factorization 5 × 107 × 1223 × 1021

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 668045405
Product of the distinct prime numbers

The prime factorization of 668045405 is 5 × 107 × 1223 × 1021. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 668045405)

Multiplication

n×y
n×2 1336090810
n×3 2004136215
n×4 2672181620
n×5 3340227025

Division

n÷y
n÷2 334022702.5
n÷3 222681801.66667
n÷3 167011351.25
n÷5 133609081

Exponentiation

ny
n2 446284663141614025
n3 2.9813841853373E+26
n4 1.9917000055542E+35
n5 1.330546036849E+44

Nth Root

y√n
2√n 25846.574337811
3√n 874.18226949811
4√n 160.76869825252
5√n 58.205120976271

Divisors of 668045405

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 -668045404
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 668045405 can be divided by 16 positive divisors. The sum of these divisors (counting 668045405) is 1, the average is 0.0625.

Base conversion 668045405

Base System Value
2 Binary 100111110100011001000001011101
3 Ternary 1201120001020000102
4 Quaternary 213310121001131
5 Quinary 2332004423110
6 Senary 150142310445
8 Octal 4764310135
10 Decimal 668045405
12 Duodecimal 167888425
16 Hexadecimal 27d1905d
20 Vigesimal a8f5da5
36 Base36 b1qj4t

Cryptographic Hash Functions

md5 dc321a46829aeffa75e3ad55a7aed105
sha1 51773b9c24d841dd1dc52c62f4a4bad63f6eaeca
sha256 71339a4769b6af1b1a40e8cf4f7fc656123c8ca7af0ce2a6fe3d65d761ff38aa
sha512 52c77a38addd187656d73362d657e81384c9e8d91e86753a11ad0aab26b2cb855559d1fa8ed34771635ecf3b72e7f2bb2abf83c382922038fbc5b9d1357dbde1
ripemd-160 c643e2d96235c064275c4fb0a4ef8457332c1a4e

668045405 as geometric shapes

Circle

Radius = n
Diameter 1336090810
Circumference 4197453073.2248
Area 1.4020446191355E+18

Sphere

Radius = n
Volume 1.2488392872246E+27
Surface area 5.608178476542E+18
Circumference 4197453073.2248

Square

Length = n
Perimeter 2672181620
Area 446284663141614025
Diagonal 944758872.03203

Cube

Length = n
Surface area 2677707978849684150
Volume 2.9813841853373E+26
Space diagonal 1157088583.2229

Equilateral Triangle

Length = n
Perimeter 2004136215
Area 1.9324692780001E+17
Altitude 578544291.61146

Triangular Pyramid

Length = n
Surface area 1.9324692780001E+17
Volume 3.5135949579572E+25
Height 314919624.01068