638536645 (number)

638536645 is an odd 9-digits composite number following 638536644 and preceding 638536646. In scientific notation, it is written as 6.38536645 × 10^8. The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors. There are 479404800 positive integers (up to 638536645) that are relatively prime to 638536645.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.38536645 × 10^8
Engineering notation 6.38536645 × 10^6

Prime Factorization of 638536645

Prime Factorization 59 × 145 × 101 × 739

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 638536645
Product of the distinct prime numbers

The prime factorization of 638536645 is 59 × 145 × 101 × 739. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 9, 10, 100, 51, 829, 7804, 9873, 27840, 36323, 690304, 954800, 3154020, 5860701, 53575464, 9989471, 564899321, 733450149, 2734135027, 3483772206

Basic calculations (n = 638536645)

Multiplication

n×y
n×2 1277073290
n×3 1915609935
n×4 2554146580
n×5 3192683225

Division

n÷y
n÷2 319268322.5
n÷3 212845548.33333
n÷3 159634161.25
n÷5 127707329

Exponentiation

ny
n2 407729047007856025
n3 2.6034993774544E+26
n4 1.6624297577393E+35
n5 1.061522320055E+44

Nth Root

y√n
2√n 25269.282637226
3√n 861.11656169826
4√n 158.96314867675
5√n 57.681582290606

Divisors of 638536645

1, 59, 101, 145, 739, 5959, 8555, 14645, 43601, 74639, 107155, 864055, 4403701, 6322145, 10822655, 638536645

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638536644
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638536645 can be divided by 16 positive divisors. The sum of these divisors (counting 638536645) is 1, the average is 0.0625.

Base conversion 638536645

Base System Value
2 Binary 100110000011110100101111000101
3 Ternary 1122111112000121101
4 Quaternary 212003310233011
5 Quinary 2301431133040
6 Senary 143210020101
8 Octal 4603645705
10 Decimal 638536645
12 Duodecimal 159a17631
16 Hexadecimal 260f4bc5
20 Vigesimal 9jah1c5
36 Base36 ak6211

Cryptographic Hash Functions

md5 a8daabf7c057983bc4b117b8e085018c
sha1 0d9e25eea172c321a853ba5bf295516e000c99b9
sha256 f0c56caead2b2a6bfb42776122051f7fc37a6ebcf413bc5705cf11008771c939
sha512 df7f51f2974cb9bbfdd8817c19f46f627d19f862765cd29b2414cec9aa48abb283a94ad4170b7fbafc044a23e7f1e69dde2dc3e59908ef118eb4852f4b480962
ripemd-160 29f2dab7cc79625b2c337783d10085156a4091df

638536645 as geometric shapes

Circle

Radius = n
Diameter 1277073290
Circumference 4012044065.9597
Area 1.280918578735E+18

Sphere

Radius = n
Volume 1.0905512690449E+27
Surface area 5.1236743149402E+18
Circumference 4012044065.9597

Square

Length = n
Perimeter 2554146580
Area 407729047007856025
Diagonal 903027183.43121

Cube

Length = n
Surface area 2446374282047136150
Volume 2.6034993774544E+26
Space diagonal 1105977911.6346

Equilateral Triangle

Length = n
Perimeter 1915609935
Area 1.7655185628481E+17
Altitude 552988955.81729

Triangular Pyramid

Length = n
Surface area 1.7655185628481E+17
Volume 3.0682534410216E+25
Height 301009061.14374