21013 (number)

21013 is an odd 5-digits prime number following 21012 and preceding 21014. In scientific notation, it is written as 2.1013 × 10^4. The sum of its digits is 7. It has a total of 1 prime factors and 2 positive divisors. There are 21012 positive integers (up to 21013) that are relatively prime to 21013.

Interesting facts

Basic properties

Name

Name twenty-one thousand thirteen

Notation

Scientific notation 2.1013 × 10^4
Engineering notation 2.1013 × 10^3

Prime Factorization of 21013

Prime Factorization 21013

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 21013
Product of the distinct prime numbers

The prime factorization of 21013 is 21013. Since it has a total of 1 prime factors.

Most popular turbo-numbers

8, 1, 18, 99, 887, 686, 2986, 2893, 51410, 18517, 789642, 271397, 2492508, 2926663, 51653794, 3437214, 117874634, 859570112, 8878935793, 5929237543

Basic calculations (n = 21013)

Multiplication

n×y
n×2 42026
n×3 63039
n×4 84052
n×5 105065

Division

n÷y
n÷2 10506.5
n÷3 7004.3333333333
n÷3 5253.25
n÷5 4202.6

Exponentiation

ny
n2 441546169
n3 9278209649197
n4 194963019358576561
n5 4.0967579257818E+21

Nth Root

y√n
2√n 144.95861478367
3√n 27.594933607607
4√n 12.039876028584
5√n 7.3197729853262

Divisors of 21013

1, 21013

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 21014
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10507
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 144.96206400297
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999048253545
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21013 can be divided by 2 positive divisors. The sum of these divisors (counting 21013) is 21014, the average is 10507.

Base conversion 21013

Base System Value
2 Binary 101001000010101
3 Ternary 1001211021
4 Quaternary 11020111
5 Quinary 1133023
6 Senary 241141
8 Octal 51025
10 Decimal 21013
12 Duodecimal 101b1
16 Hexadecimal 5215
20 Vigesimal 2cad
36 Base36 g7p

Cryptographic Hash Functions

md5 2ea3ff45d620f62b6669490c57394f3c
sha1 042c8760acc38904587a7fed34f2311043d7c98a
sha256 e6ee9f2e1edb3c70a29a671c890087794b4aa147e05d46d1ed40d97dcee4bdc8
sha512 c65ad17724abe46bb5c3f0298d06b6e1ee41c8ecc2b743687250daaa220c56e164806fcab551921801d413b43885e08f8c1dc76a52294b53768ba2a37d450b08
ripemd-160 187116219ac656798085fe981c50c431e132b72a

21013 as geometric shapes

Circle

Radius = n
Diameter 42026
Circumference 132028.57285976
Area 1387158200.7511

Sphere

Radius = n
Volume 38864473696511
Surface area 5548632803.0045
Circumference 132028.57285976

Square

Length = n
Perimeter 84052
Area 441546169
Diagonal 29716.869586146

Cube

Length = n
Surface area 2649277014
Volume 9278209649197
Space diagonal 36395.583619445

Equilateral Triangle

Length = n
Perimeter 63039
Area 191195099.64885
Altitude 18197.791809722

Triangular Pyramid

Length = n
Surface area 191195099.64885
Volume 1093447493369.6
Height 9905.6231953819