638128216 (number)

638128216 is an even 9-digits composite number following 638128215 and preceding 638128217. In scientific notation, it is written as 6.38128216 × 10^8. The sum of its digits is 37. It has a total of 5 prime factors and 16 positive divisors. There are 289056640 positive integers (up to 638128216) that are relatively prime to 638128216.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.38128216 × 10^8
Engineering notation 6.38128216 × 10^6

Prime Factorization of 638128216

Prime Factorization 2 × 2 × 2 × 3223 × 24749

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 159532054
Product of the distinct prime numbers

The prime factorization of 638128216 is 2 × 2 × 2 × 3223 × 24749. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 1, 55, 34, 215, 751, 7556, 1597, 48366, 86936, 198913, 437546, 8617146, 5666389, 65935181, 8647752, 824499313, 763578413, 3528323706, 8108943512

Basic calculations (n = 638128216)

Multiplication

n×y
n×2 1276256432
n×3 1914384648
n×4 2552512864
n×5 3190641080

Division

n÷y
n÷2 319064108
n÷3 212709405.33333
n÷3 159532054
n÷5 127625643.2

Exponentiation

ny
n2 407207620055342656
n3 2.5985067212752E+26
n4 1.6581804583114E+35
n5 1.0581317376683E+44

Nth Root

y√n
2√n 25261.199813152
3√n 860.93292306507
4√n 158.93772306521
5√n 57.674201395219

Divisors of 638128216

1, 2, 4, 8, 3223, 6446, 12892, 24749, 25784, 49498, 98996, 197992, 79766027, 159532054, 319064108, 638128216

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 -638128215
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 638128216 can be divided by 16 positive divisors. The sum of these divisors (counting 638128216) is 1, the average is 0.0625.

Base conversion 638128216

Base System Value
2 Binary 100110000010010001000001011000
3 Ternary 1122110202021100101
4 Quaternary 212002101001120
5 Quinary 2301330100331
6 Senary 143153145144
8 Octal 4602210130
10 Decimal 638128216
12 Duodecimal 15985b1b4
16 Hexadecimal 26091058
20 Vigesimal 9j860ag
36 Base36 ajxavs

Cryptographic Hash Functions

md5 85239da7b5c9fb430989002561166f70
sha1 aab3f9738ceb922244e9cb0a829a11b26a898153
sha256 9ea4341851e4a5293dafcaeb5a1dc726af27863da0d784b26438ebccaf7e7fce
sha512 85e5543e89b88e1095f0751a0cb3f55915cc0068c1f80b3a5da2cd861731cb1ad5951575d4e68a6ac635230161c1dc4170cc2745574210c2dbda9e195aaea06a
ripemd-160 cfab6c679fe40779faa270bc089ca57aa403b603

638128216 as geometric shapes

Circle

Radius = n
Diameter 1276256432
Circumference 4009477830.8679
Area 1.2792804676516E+18

Sphere

Radius = n
Volume 1.0884599501149E+27
Surface area 5.1171218706066E+18
Circumference 4009477830.8679

Square

Length = n
Perimeter 2552512864
Area 407207620055342656
Diagonal 902449577.60015

Cube

Length = n
Surface area 2443245720332055936
Volume 2.5985067212752E+26
Space diagonal 1105270491.8553

Equilateral Triangle

Length = n
Perimeter 1914384648
Area 1.7632607179126E+17
Altitude 552635245.92764

Triangular Pyramid

Length = n
Surface area 1.7632607179126E+17
Volume 3.0623695392875E+25
Height 300816525.86672