642705 (number)

642705 is an odd 6-digits composite number following 642704 and preceding 642706. In scientific notation, it is written as 6.42705 × 10^5. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 293760 positive integers (up to 642705) that are relatively prime to 642705.

Interesting facts

Basic properties

Name

Name six hundred forty-two thousand seven hundred five

Notation

Scientific notation 6.42705 × 10^5
Engineering notation 6.42705 × 10^3

Prime Factorization of 642705

Prime Factorization 15 × 7 × 6121

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 642705
Product of the distinct prime numbers

The prime factorization of 642705 is 15 × 7 × 6121. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 642705)

Multiplication

n×y
n×2 1285410
n×3 1928115
n×4 2570820
n×5 3213525

Division

n÷y
n÷2 321352.5
n÷3 214235
n÷3 160676.25
n÷5 128541

Exponentiation

ny
n2 413069717025
n3 265481972480552625
n4 1.7062659112311E+23
n5 1.0966256324778E+29

Nth Root

y√n
2√n 801.68884238213
3√n 86.298628322468
4√n 28.314110305325
5√n 14.507825916376

Divisors of 642705

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -642704
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 642705 can be divided by 8 positive divisors. The sum of these divisors (counting 642705) is 1, the average is 0.125.

Base conversion 642705

Base System Value
2 Binary 10011100111010010001
3 Ternary 1012122121220
4 Quaternary 2130322101
5 Quinary 131031310
6 Senary 21435253
8 Octal 2347221
10 Decimal 642705
12 Duodecimal 26bb29
16 Hexadecimal 9ce91
20 Vigesimal 406f5
36 Base36 drwx

Cryptographic Hash Functions

md5 2ac0ed63831d2a509c85c94e9db749c6
sha1 fea0dcd65deb1faca5b6e620d66ab834a8e91e78
sha256 c154e49e0c41464ca6440ea31a554deeb0fb87ba19cdb617ee0b85e2eccb3099
sha512 36a3ff89a0171ad0d05f94669499560896e5e25320d55e2961e4314aa2da76bc16bc63dcda8c6c8562d568fead8636d8a2475e2580dfc67261865e4ea2d5e07f
ripemd-160 b8d7b4b2d0cdade586baba1fef787db5827181b2

642705 as geometric shapes

Circle

Radius = n
Diameter 1285410
Circumference 4038234.6128509
Area 1297696788426.2

Sphere

Radius = n
Volume 1.1120482858739E+18
Surface area 5190787153704.6
Circumference 4038234.6128509

Square

Length = n
Perimeter 2570820
Area 413069717025
Diagonal 908922.127605

Cube

Length = n
Surface area 2478418302150
Volume 265481972480552625
Space diagonal 1113197.7142786

Equilateral Triangle

Length = n
Perimeter 1928115
Area 178864434238.85
Altitude 556598.85713928

Triangular Pyramid

Length = n
Surface area 178864434238.85
Volume 3.1287350503963E+16
Height 302974.042535