638545980 (number)

638545980 is an even 9-digits composite number following 638545979 and preceding 638545981. In scientific notation, it is written as 6.38545980 × 10^8. The sum of its digits is 48. It has a total of 6 prime factors and 48 positive divisors. There are 167401728 positive integers (up to 638545980) that are relatively prime to 638545980.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.38545980 × 10^8
Engineering notation 6.38545980 × 10^6

Prime Factorization of 638545980

Prime Factorization 2 × 2 × 3 × 545 × 599 × 163

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 319272990
Product of the distinct prime numbers

The prime factorization of 638545980 is 2 × 2 × 3 × 545 × 599 × 163. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 638545980)

Multiplication

n×y
n×2 1277091960
n×3 1915637940
n×4 2554183920
n×5 3192729900

Division

n÷y
n÷2 319272990
n÷3 212848660
n÷3 159636495
n÷5 127709196

Exponentiation

ny
n2 407740968574160400
n3 2.6036135636434E+26
n4 1.6625269745379E+35
n5 1.0615999162328E+44

Nth Root

y√n
2√n 25269.467346978
3√n 861.12075800346
4√n 158.96372965862
5√n 57.681750943236

Divisors of 638545980

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 -638545979
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 638545980 can be divided by 48 positive divisors. The sum of these divisors (counting 638545980) is 1, the average is 0.020833333333333.

Base conversion 638545980

Base System Value
2 Binary 100110000011110111000000111100
3 Ternary 1122111112111102010
4 Quaternary 212003313000330
5 Quinary 2301431432410
6 Senary 143210131220
8 Octal 4603670074
10 Decimal 638545980
12 Duodecimal 159a20b10
16 Hexadecimal 260f703c
20 Vigesimal 9jai4j0
36 Base36 ak698c

Cryptographic Hash Functions

md5 223f6f2e6dc9606f4bf9bfedbf804dad
sha1 b17c1116e99027223cf9c5af7915e1485af30368
sha256 2e86a46eb7c0424232ab01c0c3e6f8a9d7f30283e24b62aefcc37e138c38c6dc
sha512 24ada7475dc1db7a193e1f28e0bfe339efb1ffa7b686b975b116bea3d26552714ef5ac14b858e2345b54aac880598f7849b0144c8e15b9743546af7074a79eda
ripemd-160 5cc40a27be84849d0218afd0866fd231746df40c

638545980 as geometric shapes

Circle

Radius = n
Diameter 1277091960
Circumference 4012102719.4946
Area 1.2809560314402E+18

Sphere

Radius = n
Volume 1.0905990992438E+27
Surface area 5.1238241257607E+18
Circumference 4012102719.4946

Square

Length = n
Perimeter 2554183920
Area 407740968574160400
Diagonal 903040385.11482

Cube

Length = n
Surface area 2446445811444962400
Volume 2.6036135636434E+26
Space diagonal 1105994080.3289

Equilateral Triangle

Length = n
Perimeter 1915637940
Area 1.7655701847445E+17
Altitude 552997040.16443

Triangular Pyramid

Length = n
Surface area 1.7655701847445E+17
Volume 3.0683880107358E+25
Height 301013461.70494