21868081 (number)

21868081 is an odd 8-digits prime number following 21868080 and preceding 21868082. In scientific notation, it is written as 2.1868081 × 10^7. The sum of its digits is 34. It has a total of 1 prime factors and 2 positive divisors. There are 21868080 positive integers (up to 21868081) that are relatively prime to 21868081.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred sixty-eight thousand eighty-one

Notation

Scientific notation 2.1868081 × 10^7
Engineering notation 2.1868081 × 10^6

Prime Factorization of 21868081

Prime Factorization 21868081

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 21868081
Product of the distinct prime numbers

The prime factorization of 21868081 is 21868081. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21868081)

Multiplication

n×y
n×2 43736162
n×3 65604243
n×4 87472324
n×5 109340405

Division

n÷y
n÷2 10934040.5
n÷3 7289360.3333333
n÷3 5467020.25
n÷5 4373616.2

Exponentiation

ny
n2 478212966622561
n3 1.0457599889352E+22
n4 2.2868764144595E+29
n5 5.000959866839E+36

Nth Root

y√n
2√n 4676.332002756
3√n 279.64274590129
4√n 68.383711531007
5√n 29.373935355971

Divisors of 21868081

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 21868082
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10934041
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4676.3321096774
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999085425
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21868081 can be divided by 2 positive divisors. The sum of these divisors (counting 21868081) is 21868082, the average is 10934041.

Base conversion 21868081

Base System Value
2 Binary 1010011011010111000110001
3 Ternary 1112011000100221
4 Quaternary 1103122320301
5 Quinary 21044234311
6 Senary 2100413041
8 Octal 123327061
10 Decimal 21868081
12 Duodecimal 73a7181
16 Hexadecimal 14dae31
20 Vigesimal 6gda41
36 Base36 d0pip

Cryptographic Hash Functions

md5 a0566b08bc4faca93dd73ff9c05ec1e3
sha1 77f872f6374c9bf9408a45166d421ac9697b7d64
sha256 171108c4d8e614b91f5181b56fa3fe25b624dde8e8b6495869ea78f3fdc203e9
sha512 db3764f17cb5b1a671506459c512ca9863e860f65975049f335d1878f896375ba9ee79568a3bd9ae201a98129d25f8e7470fef4e0286c30156b40b47e0147cb3
ripemd-160 0a62a6d33e7faf497046d792c14a8f15a2e26b15

21868081 as geometric shapes

Circle

Radius = n
Diameter 43736162
Circumference 137401205.23541
Area 1.5023503427928E+15

Sphere

Radius = n
Volume 4.3804691982095E+22
Surface area 6.0094013711713E+15
Circumference 137401205.23541

Square

Length = n
Perimeter 87472324
Area 478212966622561
Diagonal 30926136.733273

Cube

Length = n
Surface area 2869277799735366
Volume 1.0457599889352E+22
Space diagonal 37876627.356032

Equilateral Triangle

Length = n
Perimeter 65604243
Area 2.0707228875713E+14
Altitude 18938313.678016

Triangular Pyramid

Length = n
Surface area 2.0707228875713E+14
Volume 1.2324399661161E+21
Height 10308712.244424