20115421 (number)

20115421 is an odd 8-digits composite number following 20115420 and preceding 20115422. In scientific notation, it is written as 2.0115421 × 10^7. The sum of its digits is 16. It has a total of 2 prime factors and 4 positive divisors. There are 19785600 positive integers (up to 20115421) that are relatively prime to 20115421.

Interesting facts

Basic properties

Name

Name twenty million one hundred fifteen thousand four hundred twenty-one

Notation

Scientific notation 2.0115421 × 10^7
Engineering notation 2.0115421 × 10^6

Prime Factorization of 20115421

Prime Factorization 61 × 329761

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20115421
Product of the distinct prime numbers

The prime factorization of 20115421 is 61 × 329761. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20115421)

Multiplication

n×y
n×2 40230842
n×3 60346263
n×4 80461684
n×5 100577105

Division

n÷y
n÷2 10057710.5
n÷3 6705140.3333333
n÷3 5028855.25
n÷5 4023084.2

Exponentiation

ny
n2 404630162007241
n3 8.1393060580739E+21
n4 1.6372556800601E+29
n5 3.2934087289049E+36

Nth Root

y√n
2√n 4485.0218505599
3√n 271.96292837468
4√n 66.970305737393
5√n 28.887225077809

Divisors of 20115421

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 -20115420
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 20115421 can be divided by 4 positive divisors. The sum of these divisors (counting 20115421) is 1, the average is 0.25.

Base conversion 20115421

Base System Value
2 Binary 1001100101110111111011101
3 Ternary 1101211222011121
4 Quaternary 1030232333131
5 Quinary 20122143141
6 Senary 1555050541
8 Octal 114567735
10 Decimal 20115421
12 Duodecimal 68a0a51
16 Hexadecimal 132efdd
20 Vigesimal 65e8b1
36 Base36 bz55p

Cryptographic Hash Functions

md5 c75a7858400878bc19e620f1fa4c1c2a
sha1 ec56f66d05cc539f3c1ef35b13144e0fa55bd009
sha256 9a651838f03cb11afe3df4fbba204f9afee1f493513b39b997b36e545eadaabc
sha512 d13bee24adf23b756beddb8a16f39be3de285762ab7c3dfa4e7977e06388d42b7bb696c0ab644413c43bd0cdc4aea8a4769bc269f92c70e3a361c4975a1ba2e8
ripemd-160 91b1fd6c685d4511e62e6221242982137285aaf7

20115421 as geometric shapes

Circle

Radius = n
Diameter 40230842
Circumference 126388917.67493
Area 1.2711831443828E+15

Sphere

Radius = n
Volume 3.4093845489818E+22
Surface area 5.0847325775312E+15
Circumference 126388917.67493

Square

Length = n
Perimeter 80461684
Area 404630162007241
Diagonal 28447501.191045

Cube

Length = n
Surface area 2427780972043446
Volume 8.1393060580739E+21
Space diagonal 34840931.187638

Equilateral Triangle

Length = n
Perimeter 60346263
Area 1.7520999971784E+14
Altitude 17420465.593819

Triangular Pyramid

Length = n
Surface area 1.7520999971784E+14
Volume 9.5922641796946E+20
Height 9482500.3970149