639888900 (number)

639888900 is an even 9-digits composite number following 639888899 and preceding 639888901. In scientific notation, it is written as 6.39888900 × 10^8. The sum of its digits is 51. It has a total of 6 prime factors and 48 positive divisors. There are 146259840 positive integers (up to 639888900) that are relatively prime to 639888900.

Interesting facts

Basic properties

Name

Name six hundred thirty-nine million eight hundred eighty-eight thousand nine hundred

Notation

Scientific notation 6.39888900 × 10^8
Engineering notation 6.39888900 × 10^6

Prime Factorization of 639888900

Prime Factorization 2 × 2 × 3 × 7 × 25 × 304709

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 319944450
Product of the distinct prime numbers

The prime factorization of 639888900 is 2 × 2 × 3 × 7 × 25 × 304709. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 639888900)

Multiplication

n×y
n×2 1279777800
n×3 1919666700
n×4 2559555600
n×5 3199444500

Division

n÷y
n÷2 319944450
n÷3 213296300
n÷3 159972225
n÷5 127977780

Exponentiation

ny
n2 409457804343210000
n3 2.6200750401759E+26
n4 1.6765569353756E+35
n5 1.0728101731649E+44

Nth Root

y√n
2√n 25296.025379494
3√n 861.72400694073
4√n 159.04724260261
5√n 57.705992547658

Divisors of 639888900

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -639888899
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 639888900 can be divided by 48 positive divisors. The sum of these divisors (counting 639888900) is 1, the average is 0.020833333333333.

Base conversion 639888900

Base System Value
2 Binary 100110001000111110111000000100
3 Ternary 1122121001201112220
4 Quaternary 212020332320010
5 Quinary 2302302421100
6 Senary 143255012340
8 Octal 4610767004
10 Decimal 639888900
12 Duodecimal 15a36a0b0
16 Hexadecimal 2623ee04
20 Vigesimal 9jj6250
36 Base36 akz1fo

Cryptographic Hash Functions

md5 61eeefb4dbfa64aeb6630bca0931938f
sha1 4639ab49b2c5baedf8d33dafa54a300f96e42057
sha256 d62eeed72eb8c804fef7090f3963136d18d52603c21550373be3b5dc5095fe58
sha512 dedcf62130dfad6e7cd01453f278e592ba5720b690de493fdfd1dd76556edb8994211a3326dee88a375570764a3534878681e0151c164c8515eb6c160b93b080
ripemd-160 2b7baf1a8a2c0a276333d0ac4bbec4ad179b4892

639888900 as geometric shapes

Circle

Radius = n
Diameter 1279777800
Circumference 4020540534.7073
Area 1.2863496300796E+18

Sphere

Radius = n
Volume 1.0974944664094E+27
Surface area 5.1453985203185E+18
Circumference 4020540534.7073

Square

Length = n
Perimeter 2559555600
Area 409457804343210000
Diagonal 904939560.792

Cube

Length = n
Surface area 2456746826059260000
Volume 2.6200750401759E+26
Space diagonal 1108320085.9994

Equilateral Triangle

Length = n
Perimeter 1919666700
Area 1.7730043016951E+17
Altitude 554160042.99968

Triangular Pyramid

Length = n
Surface area 1.7730043016951E+17
Volume 3.0877880468767E+25
Height 301646520.264