638755738 (number)

638755738 is an even 9-digits composite number following 638755737 and preceding 638755739. In scientific notation, it is written as 6.38755738 × 10^8. The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors. There are 316939740 positive integers (up to 638755738) that are relatively prime to 638755738.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million seven hundred fifty-five thousand seven hundred thirty-eight

Notation

Scientific notation 6.38755738 × 10^8
Engineering notation 6.38755738 × 10^6

Prime Factorization of 638755738

Prime Factorization 2 × 131 × 2437999

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 638755738
Product of the distinct prime numbers

The prime factorization of 638755738 is 2 × 131 × 2437999. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 5, 8, 90, 501, 586, 7287, 895, 95202, 27686, 145231, 346454, 3579193, 5348364, 40263538, 79354595, 52412808, 732917105, 2366725704, 5691469091

Basic calculations (n = 638755738)

Multiplication

n×y
n×2 1277511476
n×3 1916267214
n×4 2555022952
n×5 3193778690

Division

n÷y
n÷2 319377869
n÷3 212918579.33333
n÷3 159688934.5
n÷5 127751147.6

Exponentiation

ny
n2 408008892827924644
n3 2.6061802144886E+26
n4 1.6647125662667E+35
n5 1.0633447038236E+44

Nth Root

y√n
2√n 25273.61743004
3√n 861.21503844631
4√n 158.97678267609
5√n 57.685540057757

Divisors of 638755738

1, 2, 131, 262, 2437999, 4875998, 319377869, 638755738

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 -638755737
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 638755738 can be divided by 8 positive divisors. The sum of these divisors (counting 638755738) is 1, the average is 0.125.

Base conversion 638755738

Base System Value
2 Binary 100110000100101010001110011010
3 Ternary 1122111221011010221
4 Quaternary 212010222032122
5 Quinary 2302010140423
6 Senary 143214430254
8 Octal 4604521632
10 Decimal 638755738
12 Duodecimal 159b0238a
16 Hexadecimal 2612a39a
20 Vigesimal 9jc496i
36 Base36 akar2y

Cryptographic Hash Functions

md5 ad4298378d5213827e0d042b24958e2b
sha1 cf2fa8b26226400af0bcd4be6df6189d179baf4d
sha256 00525165a7cf59080d810cc5a05aaf4b7c1b517c44d73073c11a7fdd84e3094a
sha512 65399630fe5873b9546d2e990b1daa382fd2b70d174bdf1ffba489151209e740bfab1c69a13b95de1de165b1ea76a01d4eb7d2e8819a6913271847a2945fa137
ripemd-160 48448752bca550f90c91dba9ba70ed45e5525d03

638755738 as geometric shapes

Circle

Radius = n
Diameter 1277511476
Circumference 4013420667.8783
Area 1.2817977403075E+18

Sphere

Radius = n
Volume 1.0916742154358E+27
Surface area 5.1271909612301E+18
Circumference 4013420667.8783

Square

Length = n
Perimeter 2555022952
Area 408008892827924644
Diagonal 903337027.72324

Cube

Length = n
Surface area 2448053356967547864
Volume 2.6061802144886E+26
Space diagonal 1106357391.8422

Equilateral Triangle

Length = n
Perimeter 1916267214
Area 1.7667303307947E+17
Altitude 553178695.92108

Triangular Pyramid

Length = n
Surface area 1.7667303307947E+17
Volume 3.0714128377652E+25
Height 301112342.57441