638532021 (number)

638532021 is an odd 9-digits composite number following 638532020 and preceding 638532022. In scientific notation, it is written as 6.38532021 × 10^8. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 423403200 positive integers (up to 638532021) that are relatively prime to 638532021.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million five hundred thirty-two thousand twenty-one

Notation

Scientific notation 6.38532021 × 10^8
Engineering notation 6.38532021 × 10^6

Prime Factorization of 638532021

Prime Factorization 3 × 214777 × 991

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 638532021
Product of the distinct prime numbers

The prime factorization of 638532021 is 3 × 214777 × 991. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 4, 86, 16, 725, 15, 6253, 1555, 56090, 45312, 883707, 682473, 2031521, 2369483, 41612219, 44742873, 521937697, 630350463, 635875190, 2906297517

Basic calculations (n = 638532021)

Multiplication

n×y
n×2 1277064042
n×3 1915596063
n×4 2554128084
n×5 3192660105

Division

n÷y
n÷2 319266010.5
n÷3 212844007
n÷3 159633005.25
n÷5 127706404.2

Exponentiation

ny
n2 407723141842344441
n3 2.6034428176906E+26
n4 1.6623816039379E+35
n5 1.0614838852357E+44

Nth Root

y√n
2√n 25269.191142575
3√n 861.1144830848
4√n 158.96286089076
5√n 57.681498749462

Divisors of 638532021

1, 3, 991, 2973, 214777, 644331, 212844007, 638532021

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638532020
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638532021 can be divided by 8 positive divisors. The sum of these divisors (counting 638532021) is 1, the average is 0.125.

Base conversion 638532021

Base System Value
2 Binary 100110000011110011100110110101
3 Ternary 1122111111210021010
4 Quaternary 212003303212311
5 Quinary 2301431011041
6 Senary 143205542433
8 Octal 4603634665
10 Decimal 638532021
12 Duodecimal 159a14a19
16 Hexadecimal 260f39b5
20 Vigesimal 9jaga11
36 Base36 ak5ygl

Cryptographic Hash Functions

md5 4b2eb100bcd7307fde78ea09a23acb61
sha1 7476e4d5ed243309f48ac53b9958e9361c1fdfc7
sha256 46eaed17dd6a126d76a3f2323ec5b3f43822d6a96b7ea8f77bdd8b3247db63cb
sha512 09dda06f9d5a994673d8469bb55329f2b686577d6c6f79802b590c93c896cbd275e14509ec3ba891ad7e1df3c1fc7e1c4e2c806417ace76a4c475d5c17908b54
ripemd-160 2300d93832a94e4758506753896973f63c39ebd6

638532021 as geometric shapes

Circle

Radius = n
Diameter 1277064042
Circumference 4012015012.5109
Area 1.2809000271105E+18

Sphere

Radius = n
Volume 1.0905275773464E+27
Surface area 5.1236001084418E+18
Circumference 4012015012.5109

Square

Length = n
Perimeter 2554128084
Area 407723141842344441
Diagonal 903020644.1077

Cube

Length = n
Surface area 2446338851054066646
Volume 2.6034428176906E+26
Space diagonal 1105969902.6316

Equilateral Triangle

Length = n
Perimeter 1915596063
Area 1.7654929927314E+17
Altitude 552984951.31582

Triangular Pyramid

Length = n
Surface area 1.7654929927314E+17
Volume 3.0681867847007E+25
Height 301006881.36923