638528085 (number)

638528085 is an odd 9-digits composite number following 638528084 and preceding 638528086. In scientific notation, it is written as 6.38528085 × 10^8. The sum of its digits is 45. It has a total of 6 prime factors and 48 positive divisors. There are 313600896 positive integers (up to 638528085) that are relatively prime to 638528085.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million five hundred twenty-eight thousand eighty-five

Notation

Scientific notation 6.38528085 × 10^8
Engineering notation 6.38528085 × 10^6

Prime Factorization of 638528085

Prime Factorization 13 × 3 × 3 × 5 × 523 × 2087

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 212842695
Product of the distinct prime numbers

The prime factorization of 638528085 is 13 × 3 × 3 × 5 × 523 × 2087. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 638528085)

Multiplication

n×y
n×2 1277056170
n×3 1915584255
n×4 2554112340
n×5 3192640425

Division

n÷y
n÷2 319264042.5
n÷3 212842695
n÷3 159632021.25
n÷5 127705617

Exponentiation

ny
n2 407718115333767225
n3 2.6033946740388E+26
n4 1.6623406157132E+35
n5 1.0614511699691E+44

Nth Root

y√n
2√n 25269.113261054
3√n 861.1127137381
4√n 158.96261592291
5√n 57.681427637934

Divisors of 638528085

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 -638528084
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 638528085 can be divided by 48 positive divisors. The sum of these divisors (counting 638528085) is 1, the average is 0.020833333333333.

Base conversion 638528085

Base System Value
2 Binary 100110000011110010101001010101
3 Ternary 1122111111120212100
4 Quaternary 212003302221111
5 Quinary 2301430344320
6 Senary 143205512313
8 Octal 4603625125
10 Decimal 638528085
12 Duodecimal 159a12699
16 Hexadecimal 260f2a55
20 Vigesimal 9jag045
36 Base36 ak5vf9

Cryptographic Hash Functions

md5 c264097d97a53c0b559764fdec65e58c
sha1 627473510fbcbf5941414fb1181394b0a4617bec
sha256 e5b83ef2be2ef709e672bcfe18fa83a8652f6ff6910bce1307244a52a346de63
sha512 90ffa7cb107d3acbe9d7ea8a5c141092da3718a8f766f0b9b3c8de57e933fcfd45d1da947cd4cd17137d6547a7e9eb360e87b9d5f5eee492d7765694eec8a8c4
ripemd-160 259619df64543dceef508c763e25de27d3389703

638528085 as geometric shapes

Circle

Radius = n
Diameter 1277056170
Circumference 4011990281.8935
Area 1.280884235868E+18

Sphere

Radius = n
Volume 1.0905074109807E+27
Surface area 5.1235369434722E+18
Circumference 4011990281.8935

Square

Length = n
Perimeter 2554112340
Area 407718115333767225
Diagonal 903015077.76312

Cube

Length = n
Surface area 2446308692002603350
Volume 2.6033946740388E+26
Space diagonal 1105963085.2797

Equilateral Triangle

Length = n
Perimeter 1915584255
Area 1.7654712273108E+17
Altitude 552981542.63983

Triangular Pyramid

Length = n
Surface area 1.7654712273108E+17
Volume 3.068130046863E+25
Height 301005025.92104