20105638 (number)

20105638 is an even 8-digits composite number following 20105637 and preceding 20105639. In scientific notation, it is written as 2.0105638 × 10^7. The sum of its digits is 25. It has a total of 5 prime factors and 32 positive divisors. There are 8373120 positive integers (up to 20105638) that are relatively prime to 20105638.

Interesting facts

Basic properties

Name

Name twenty million one hundred five thousand six hundred thirty-eight

Notation

Scientific notation 2.0105638 × 10^7
Engineering notation 2.0105638 × 10^6

Prime Factorization of 20105638

Prime Factorization 2 × 7 × 113 × 179 × 71

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20105638
Product of the distinct prime numbers

The prime factorization of 20105638 is 2 × 7 × 113 × 179 × 71. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20105638)

Multiplication

n×y
n×2 40211276
n×3 60316914
n×4 80422552
n×5 100528190

Division

n÷y
n÷2 10052819
n÷3 6701879.3333333
n÷3 5026409.5
n÷5 4021127.6

Exponentiation

ny
n2 404236679387044
n3 8.127436342078E+21
n4 1.6340729296186E+29
n5 3.2854078788512E+36

Nth Root

y√n
2√n 4483.9310877845
3√n 271.91883211029
4√n 66.962161612245
5√n 28.884414709426

Divisors of 20105638

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20105637
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20105638 can be divided by 32 positive divisors. The sum of these divisors (counting 20105638) is 1, the average is 0.03125.

Base conversion 20105638

Base System Value
2 Binary 1001100101100100110100110
3 Ternary 1101211110202021
4 Quaternary 1030230212212
5 Quinary 20121340023
6 Senary 1554533354
8 Octal 114544646
10 Decimal 20105638
12 Duodecimal 689725a
16 Hexadecimal 132c9a6
20 Vigesimal 65d41i
36 Base36 byxly

Cryptographic Hash Functions

md5 a5d04b393d9d18bda5b2922c7538553e
sha1 3686c788b19dcb3410e3033eaa8700903282577a
sha256 c10530d4eceddf32341e4c95bbefe95747714282084b3def0ddce5aed9b47a02
sha512 cacfc86ea812b4a617f76bbbd6006f90c4fac7254579be3778a3905c3ade91bd5b763e80b90cfae15863a14b46676133a554f3021cf47614b857843ee57f3d57
ripemd-160 6bfcd8f2efb79c40c31417c890b733d189ee0391

20105638 as geometric shapes

Circle

Radius = n
Diameter 40211276
Circumference 126327449.27307
Area 1.2699469822739E+15

Sphere

Radius = n
Volume 3.4044125739721E+22
Surface area 5.0797879290955E+15
Circumference 126327449.27307

Square

Length = n
Perimeter 80422552
Area 404236679387044
Diagonal 28433665.939764

Cube

Length = n
Surface area 2425420076322264
Volume 8.127436342078E+21
Space diagonal 34823986.534588

Equilateral Triangle

Length = n
Perimeter 60316914
Area 1.7503961674532E+14
Altitude 17411993.267294

Triangular Pyramid

Length = n
Surface area 1.7503961674532E+14
Volume 9.5782755852422E+20
Height 9477888.646588