20138515 (number)

20138515 is an odd 8-digits composite number following 20138514 and preceding 20138516. In scientific notation, it is written as 2.0138515 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 16110808 positive integers (up to 20138515) that are relatively prime to 20138515.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0138515 × 10^7
Engineering notation 2.0138515 × 10^6

Prime Factorization of 20138515

Prime Factorization 5 × 4027703

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20138515
Product of the distinct prime numbers

The prime factorization of 20138515 is 5 × 4027703. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20138515)

Multiplication

n×y
n×2 40277030
n×3 60415545
n×4 80554060
n×5 100692575

Division

n÷y
n÷2 10069257.5
n÷3 6712838.3333333
n÷3 5034628.75
n÷5 4027703

Exponentiation

ny
n2 405559786405225
n3 8.1673718419184E+21
n4 1.6447874034905E+29
n5 3.3123575797005E+36

Nth Root

y√n
2√n 4487.5956814312
3√n 272.06696646276
4√n 66.989519190924
5√n 28.893854970614

Divisors of 20138515

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20138514
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20138515 can be divided by 4 positive divisors. The sum of these divisors (counting 20138515) is 1, the average is 0.25.

Base conversion 20138515

Base System Value
2 Binary 1001100110100101000010011
3 Ternary 1101220010211221
4 Quaternary 1030310220103
5 Quinary 20123413030
6 Senary 1555345511
8 Octal 114645023
10 Decimal 20138515
12 Duodecimal 68b2297
16 Hexadecimal 1334a13
20 Vigesimal 65h65f
36 Base36 bzmz7

Cryptographic Hash Functions

md5 cb2a2c8a77e7bd217a1961377788d30d
sha1 a4f5f8044cc3b08fa22774453ae076a1b49549dc
sha256 ff41410d32e6d59c6093c66f995f2d95b542e78e9260287b40f1cdde6efeda39
sha512 51d75e361c4b0056a0e97029257e4fbc99e0467fbf42d4a7c0c3b1fc2168f35170c0956e6b16335ffeb9aa48d3ae4d14f1ee99431a61b05178298a6a2b452440
ripemd-160 c65328eaeb12b8b1bdca222734f54074e26a5400

20138515 as geometric shapes

Circle

Radius = n
Diameter 40277030
Circumference 126534021.55642
Area 1.2741036455621E+15

Sphere

Radius = n
Volume 3.4211407170276E+22
Surface area 5.0964145822484E+15
Circumference 126534021.55642

Square

Length = n
Perimeter 80554060
Area 405559786405225
Diagonal 28480161.039054

Cube

Length = n
Surface area 2433358718431350
Volume 8.1673718419184E+21
Space diagonal 34880931.168988

Equilateral Triangle

Length = n
Perimeter 60415545
Area 1.7561253889016E+14
Altitude 17440465.584494

Triangular Pyramid

Length = n
Surface area 1.7561253889016E+14
Volume 9.6253400231543E+20
Height 9493387.013018