638534749 (number)

638534749 is an odd 9-digits composite number following 638534748 and preceding 638534750. In scientific notation, it is written as 6.38534749 × 10^8. The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors. There are 638358336 positive integers (up to 638534749) that are relatively prime to 638534749.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million five hundred thirty-four thousand seven hundred forty-nine

Notation

Scientific notation 6.38534749 × 10^8
Engineering notation 6.38534749 × 10^6

Prime Factorization of 638534749

Prime Factorization 3697 × 172717

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 638534749
Product of the distinct prime numbers

The prime factorization of 638534749 is 3697 × 172717. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 8, 100, 47, 814, 253, 6768, 9931, 3980, 57603, 954145, 194461, 3048378, 9805105, 78608283, 29471304, 638394716, 951169108, 9760064663, 7857558564

Basic calculations (n = 638534749)

Multiplication

n×y
n×2 1277069498
n×3 1915604247
n×4 2554138996
n×5 3192673745

Division

n÷y
n÷2 319267374.5
n÷3 212844916.33333
n÷3 159633687.25
n÷5 127706949.8

Exponentiation

ny
n2 407726625680493001
n3 2.6034761858951E+26
n4 1.662410012888E+35
n5 1.0615065603145E+44

Nth Root

y√n
2√n 25269.245121293
3√n 861.11570939603
4√n 158.96303067472
5√n 57.681548035905

Divisors of 638534749

1, 3697, 172717, 638534749

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638534748
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638534749 can be divided by 4 positive divisors. The sum of these divisors (counting 638534749) is 1, the average is 0.25.

Base conversion 638534749

Base System Value
2 Binary 100110000011110100010001011101
3 Ternary 1122111111221000011
4 Quaternary 212003310101131
5 Quinary 2301431102444
6 Senary 143210003221
8 Octal 4603642135
10 Decimal 638534749
12 Duodecimal 159a16511
16 Hexadecimal 260f445d
20 Vigesimal 9jaggh9
36 Base36 ak60kd

Cryptographic Hash Functions

md5 2f6e86e55b0361dc8c4e8d88a45398d2
sha1 b810093921c4408697b905c12111bc6e5a5ff1ee
sha256 15bce54e95e0d81b5ab2af17a552382b0eb4194d7f73c608c74e8ea5a20d2b02
sha512 6e6d170ca2c9466a519c272093cde606a829f423f5a488e09ab3c8454b49f60507a135ffcf1ecf5bc471a3a1d0ba42f004f83bfd16371fd156ade6f4dd998b84
ripemd-160 b30d37d932316712e474b6ae680d35da325e1096

638534749 as geometric shapes

Circle

Radius = n
Diameter 1277069498
Circumference 4012032153.0404
Area 1.2809109719108E+18

Sphere

Radius = n
Volume 1.0905415545872E+27
Surface area 5.1236438876432E+18
Circumference 4012032153.0404

Square

Length = n
Perimeter 2554138996
Area 407726625680493001
Diagonal 903024502.0823

Cube

Length = n
Surface area 2446359754082958006
Volume 2.6034761858951E+26
Space diagonal 1105974627.6662

Equilateral Triangle

Length = n
Perimeter 1915604247
Area 1.7655080781931E+17
Altitude 552987313.83312

Triangular Pyramid

Length = n
Surface area 1.7655080781931E+17
Volume 3.0682261095069E+25
Height 301008167.36077