638893668 (number)

638893668 is an even 9-digits composite number following 638893667 and preceding 638893669. In scientific notation, it is written as 6.38893668 × 10^8. The sum of its digits is 57. It has a total of 6 prime factors and 48 positive divisors. There are 182407680 positive integers (up to 638893668) that are relatively prime to 638893668.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million eight hundred ninety-three thousand six hundred sixty-eight

Notation

Scientific notation 6.38893668 × 10^8
Engineering notation 6.38893668 × 10^6

Prime Factorization of 638893668

Prime Factorization 2 × 2 × 3 × 7 × 2437 × 3121

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 319446834
Product of the distinct prime numbers

The prime factorization of 638893668 is 2 × 2 × 3 × 7 × 2437 × 3121. Since it has a total of 6 prime factors.

Most popular turbo-numbers

2, 3, 48, 8, 453, 863, 3595, 2218, 27414, 44463, 535678, 730633, 6689214, 5847752, 29484316, 35732206, 775230736, 400190128, 1703027153, 4539214989

Basic calculations (n = 638893668)

Multiplication

n×y
n×2 1277787336
n×3 1916681004
n×4 2555574672
n×5 3194468340

Division

n÷y
n÷2 319446834
n÷3 212964556
n÷3 159723417
n÷5 127778733.6

Exponentiation

ny
n2 408185119010494224
n3 2.6078688790763E+26
n4 1.6661509138161E+35
n5 1.0644932687695E+44

Nth Root

y√n
2√n 25276.346017571
3√n 861.2770229338
4√n 158.98536416152
5√n 57.688031113074

Divisors of 638893668

1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 2437, 3121, 4874, 6242, 7311, 9363, 9748, 12484, 14622, 17059, 18726, 21847, 29244, 34118, 37452, 43694, 51177, 65541, 68236, 87388, 102354, 131082, 204708, 262164, 7605877, 15211754, 22817631, 30423508, 45635262, 53241139, 91270524, 106482278, 159723417, 212964556, 319446834, 638893668

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638893667
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638893668 can be divided by 48 positive divisors. The sum of these divisors (counting 638893668) is 1, the average is 0.020833333333333.

Base conversion 638893668

Base System Value
2 Binary 100110000101001011111001100100
3 Ternary 1122112012011100110
4 Quaternary 212011023321210
5 Quinary 2302024044133
6 Senary 143221413020
8 Octal 4605137144
10 Decimal 638893668
12 Duodecimal 159b6a170
16 Hexadecimal 2614be64
20 Vigesimal 9jd1e38
36 Base36 akdpic

Cryptographic Hash Functions

md5 0b1e9938698f97538aa136b22eeb09cc
sha1 aa8eddc83813c2075768f5c3a6551ede01db1a40
sha256 e03db1de5153da462d0fbf3da76f5f7f0dc14f12d07ce840ff3a928dc9cdaf5e
sha512 06e974a0a25b0dc830f8f9f8e4b6e40fc1754feead5799c2ae145dd2627bb2a80699479a57ab9b26fadb9243be3cc567253615d439d46b4a4591a66400c06c4a
ripemd-160 3a420a580e27a230815e5003cad8320ead72580f

638893668 as geometric shapes

Circle

Radius = n
Diameter 1277787336
Circumference 4014287307.6277
Area 1.282351371188E+18

Sphere

Radius = n
Volume 1.0923815616042E+27
Surface area 5.1294054847522E+18
Circumference 4014287307.6277

Square

Length = n
Perimeter 2555574672
Area 408185119010494224
Diagonal 903532090.19989

Cube

Length = n
Surface area 2449110714062965344
Volume 2.6078688790763E+26
Space diagonal 1106596293.61

Equilateral Triangle

Length = n
Perimeter 1916681004
Area 1.7674934125493E+17
Altitude 553298146.80502

Triangular Pyramid

Length = n
Surface area 1.7674934125493E+17
Volume 3.073402948067E+25
Height 301177363.39996