20139915 (number)

20139915 is an odd 8-digits composite number following 20139914 and preceding 20139916. In scientific notation, it is written as 2.0139915 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 10741280 positive integers (up to 20139915) that are relatively prime to 20139915.

Interesting facts

Basic properties

Name

Name twenty million one hundred thirty-nine thousand nine hundred fifteen

Notation

Scientific notation 2.0139915 × 10^7
Engineering notation 2.0139915 × 10^6

Prime Factorization of 20139915

Prime Factorization 3 × 5 × 1342661

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20139915
Product of the distinct prime numbers

The prime factorization of 20139915 is 3 × 5 × 1342661. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20139915)

Multiplication

n×y
n×2 40279830
n×3 60419745
n×4 80559660
n×5 100699575

Division

n÷y
n÷2 10069957.5
n÷3 6713305
n÷3 5034978.75
n÷5 4027983

Exponentiation

ny
n2 405616176207225
n3 8.1690753114385E+21
n4 1.6452448240097E+29
n5 3.3135090909745E+36

Nth Root

y√n
2√n 4487.7516642524
3√n 272.07327088204
4√n 66.990683413833
5√n 28.89425669112

Divisors of 20139915

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 -20139914
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 20139915 can be divided by 8 positive divisors. The sum of these divisors (counting 20139915) is 1, the average is 0.125.

Base conversion 20139915

Base System Value
2 Binary 1001100110100111110001011
3 Ternary 1101220012202210
4 Quaternary 1030310332023
5 Quinary 20123434130
6 Senary 1555400203
8 Octal 114647613
10 Decimal 20139915
12 Duodecimal 68b3063
16 Hexadecimal 1334f8b
20 Vigesimal 65h9ff
36 Base36 bzo23

Cryptographic Hash Functions

md5 719748f429becf4e3e0966b01bd31b76
sha1 b55c6753db3db0308d2e465d17a7ce4613e688ec
sha256 39822df913b87c77523a5a4ee36885fb286e6ffc427ab60866765c25f5c8686a
sha512 98c0bc060cc8cd5de16c9fd1a3256ecaddf54e20afb590cd0ba2a511c12b4feb0bb23044899ef07c9750e83a2217cf140ad0168827c4fccededa2f5ed77cf6e7
ripemd-160 7607bd4340d06bf0fa8ac47dcf7b6c3304ddd23c

20139915 as geometric shapes

Circle

Radius = n
Diameter 40279830
Circumference 126542818.01585
Area 1.2742807993498E+15

Sphere

Radius = n
Volume 3.4218542646716E+22
Surface area 5.0971231973992E+15
Circumference 126542818.01585

Square

Length = n
Perimeter 80559660
Area 405616176207225
Diagonal 28482140.938041

Cube

Length = n
Surface area 2433697057243350
Volume 8.1690753114385E+21
Space diagonal 34883356.040119

Equilateral Triangle

Length = n
Perimeter 60419745
Area 1.7563695639068E+14
Altitude 17441678.020059

Triangular Pyramid

Length = n
Surface area 1.7563695639068E+14
Volume 9.6273475812363E+20
Height 9494046.9793471