639406902 (number)

639406902 is an even 9-digits composite number following 639406901 and preceding 639406903. In scientific notation, it is written as 6.39406902 × 10^8. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 211066152 positive integers (up to 639406902) that are relatively prime to 639406902.

Interesting facts

Basic properties

Name

Name six hundred thirty-nine million four hundred six thousand nine hundred two

Notation

Scientific notation 6.39406902 × 10^8
Engineering notation 6.39406902 × 10^6

Prime Factorization of 639406902

Prime Factorization 2 × 3 × 103 × 1034639

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 639406902
Product of the distinct prime numbers

The prime factorization of 639406902 is 2 × 3 × 103 × 1034639. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 639406902)

Multiplication

n×y
n×2 1278813804
n×3 1918220706
n×4 2557627608
n×5 3197034510

Division

n÷y
n÷2 319703451
n÷3 213135634
n÷3 159851725.5
n÷5 127881380.4

Exponentiation

ny
n2 408841186325237604
n3 2.6141587635822E+26
n4 1.6715111563583E+35
n5 1.0687757701455E+44

Nth Root

y√n
2√n 25286.496435845
3√n 861.50758729913
4√n 159.01728345009
5√n 57.697296488944

Divisors of 639406902

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 -639406901
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 639406902 can be divided by 16 positive divisors. The sum of these divisors (counting 639406902) is 1, the average is 0.0625.

Base conversion 639406902

Base System Value
2 Binary 100110000111001001001100110110
3 Ternary 1122120011020101010
4 Quaternary 212013021030312
5 Quinary 2302142010102
6 Senary 143240413050
8 Octal 4607111466
10 Decimal 639406902
12 Duodecimal 15a177186
16 Hexadecimal 261c9336
20 Vigesimal 9jg5h52
36 Base36 akopiu

Cryptographic Hash Functions

md5 ccf9dff0e96df12a513df56c44f8df0f
sha1 562027a835f25dd879f5afd807aa676092fa1189
sha256 8807e06ba111e2ddf35271189a0d1e8e8d8371f56947f079464657798e07e265
sha512 5991e548397c6d1a90838235bb427ee7f77d8da1b6bdcec2f24ecd53018a63d06ad48daac99bc6ec888ac89abafe06d723f49eebf6abcc3d59591fe745f4e7d4
ripemd-160 54e987f05ca766733ea094a48aa2b503bd8226a2

639406902 as geometric shapes

Circle

Radius = n
Diameter 1278813804
Circumference 4017512051.9556
Area 1.2844124674443E+18

Sphere

Radius = n
Volume 1.095016262265E+27
Surface area 5.1376498697772E+18
Circumference 4017512051.9556

Square

Length = n
Perimeter 2557627608
Area 408841186325237604
Diagonal 904257912.68336

Cube

Length = n
Surface area 2453047117951425624
Volume 2.6141587635822E+26
Space diagonal 1107485240.9742

Equilateral Triangle

Length = n
Perimeter 1918220706
Area 1.7703342673551E+17
Altitude 553742620.48711

Triangular Pyramid

Length = n
Surface area 1.7703342673551E+17
Volume 3.0808156480454E+25
Height 301419304.22779