638405087 (number)

638405087 is an odd 9-digits composite number following 638405086 and preceding 638405088. In scientific notation, it is written as 6.38405087 × 10^8. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 625973920 positive integers (up to 638405087) that are relatively prime to 638405087.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million four hundred five thousand eighty-seven

Notation

Scientific notation 6.38405087 × 10^8
Engineering notation 6.38405087 × 10^6

Prime Factorization of 638405087

Prime Factorization 53 × 2399 × 5021

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 638405087
Product of the distinct prime numbers

The prime factorization of 638405087 is 53 × 2399 × 5021. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 2, 71, 88, 577, 827, 2853, 5166, 51668, 66024, 690330, 48628, 9246826, 2291652, 60430921, 92710121, 911362121, 499501278, 8695261591, 9984945234

Basic calculations (n = 638405087)

Multiplication

n×y
n×2 1276810174
n×3 1915215261
n×4 2553620348
n×5 3192025435

Division

n÷y
n÷2 319202543.5
n÷3 212801695.66667
n÷3 159601271.75
n÷5 127681017.4

Exponentiation

ny
n2 407561055107477569
n3 2.601890508437E+26
n4 1.6610601364032E+35
n5 1.0604292408927E+44

Nth Root

y√n
2√n 25266.679382143
3√n 861.05741888864
4√n 158.95496023133
5√n 57.679205262092

Divisors of 638405087

1, 53, 2399, 5021, 127147, 266113, 12045379, 638405087

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 -638405086
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 638405087 can be divided by 8 positive divisors. The sum of these divisors (counting 638405087) is 1, the average is 0.125.

Base conversion 638405087

Base System Value
2 Binary 100110000011010100100111011111
3 Ternary 1122111021100010212
4 Quaternary 212003110213133
5 Quinary 2301412430322
6 Senary 143203123035
8 Octal 4603244737
10 Decimal 638405087
12 Duodecimal 15997347b
16 Hexadecimal 260d49df
20 Vigesimal 9ja0ce7
36 Base36 ak38in

Cryptographic Hash Functions

md5 355da3da1af603c07e37cda2bb5dabc2
sha1 ef9df5228106501cf3688595afb1b722f42f0a82
sha256 2e5fd90eb19bd26c61893b2f55fb38b6851bd9e775ce36fe237689399fd1415c
sha512 f07d2deef2c086d7ed07f2914e80489c07e9142467d216e95fcb68f5f6bbd8a256d2f3faeec3686a51cd8a8f9d4125971fcf15a8ec2dbafea562f46a485c0450
ripemd-160 efc09897c362c8892556813b63ddf8201cb64156

638405087 as geometric shapes

Circle

Radius = n
Diameter 1276810174
Circumference 4011217462.6671
Area 1.280390816615E+18

Sphere

Radius = n
Volume 1.0898773475668E+27
Surface area 5.1215632664598E+18
Circumference 4011217462.6671

Square

Length = n
Perimeter 2553620348
Area 407561055107477569
Diagonal 902841132.32338

Cube

Length = n
Surface area 2445366330644865414
Volume 2.601890508437E+26
Space diagonal 1105750046.4944

Equilateral Triangle

Length = n
Perimeter 1915215261
Area 1.7647911365813E+17
Altitude 552875023.24721

Triangular Pyramid

Length = n
Surface area 1.7647911365813E+17
Volume 3.0663573707012E+25
Height 300947044.10779