638694580 (number)

638694580 is an even 9-digits composite number following 638694579 and preceding 638694581. In scientific notation, it is written as 6.38694580 × 10^8. The sum of its digits is 49. It has a total of 4 prime factors and 12 positive divisors. There are 255477824 positive integers (up to 638694580) that are relatively prime to 638694580.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million six hundred ninety-four thousand five hundred eighty

Notation

Scientific notation 6.38694580 × 10^8
Engineering notation 6.38694580 × 10^6

Prime Factorization of 638694580

Prime Factorization 2 × 2 × 5 × 31934729

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 319347290
Product of the distinct prime numbers

The prime factorization of 638694580 is 2 × 2 × 5 × 31934729. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 638694580)

Multiplication

n×y
n×2 1277389160
n×3 1916083740
n×4 2554778320
n×5 3193472900

Division

n÷y
n÷2 319347290
n÷3 212898193.33333
n÷3 159673645
n÷5 127738916

Exponentiation

ny
n2 407930766521376400
n3 2.6054316959245E+26
n4 1.6640751027472E+35
n5 1.0628357488376E+44

Nth Root

y√n
2√n 25272.407483261
3√n 861.18755174195
4√n 158.97297721079
5√n 57.684435389048

Divisors of 638694580

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638694579
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638694580 can be divided by 12 positive divisors. The sum of these divisors (counting 638694580) is 1, the average is 0.083333333333333.

Base conversion 638694580

Base System Value
2 Binary 100110000100011011010010110100
3 Ternary 1122111211001020211
4 Quaternary 212010123102310
5 Quinary 2302001211310
6 Senary 143213235204
8 Octal 4604332264
10 Decimal 638694580
12 Duodecimal 159a92b04
16 Hexadecimal 2611b4b4
20 Vigesimal 9jbgg90
36 Base36 ak9fw4

Cryptographic Hash Functions

md5 c9c60f53324ae006920fea3c6a4f38fb
sha1 d86d0f790c08b94bbdd8f9e34ad81c149ac7cdd4
sha256 639ce3f62bd0b1f9ef6ab265b828f818014d4ca215e46dee827f00f11f129df3
sha512 389350e47f164bf7b8133584ebf7d00de5c125768b39e7da0c943186072687fbb0ae85f36fd7a5a2c83972b0a29ee0d6a83d8a15f21f057aca23e0aba509bbe0
ripemd-160 3c4fcb9041122d3cad261f2f7f8bc0e6808a5e7f

638694580 as geometric shapes

Circle

Radius = n
Diameter 1277389160
Circumference 4013036400.8312
Area 1.2815522992768E+18

Sphere

Radius = n
Volume 1.0913606767128E+27
Surface area 5.1262091971072E+18
Circumference 4013036400.8312

Square

Length = n
Perimeter 2554778320
Area 407930766521376400
Diagonal 903250537.25019

Cube

Length = n
Surface area 2447584599128258400
Volume 2.6054316959245E+26
Space diagonal 1106251463.0789

Equilateral Triangle

Length = n
Perimeter 1916083740
Area 1.7663920339639E+17
Altitude 553125731.53943

Triangular Pyramid

Length = n
Surface area 1.7663920339639E+17
Volume 3.0705307001776E+25
Height 301083512.41673