21087841 (number)

21087841 is an odd 8-digits prime number following 21087840 and preceding 21087842. In scientific notation, it is written as 2.1087841 × 10^7. The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors. There are 21087840 positive integers (up to 21087841) that are relatively prime to 21087841.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-seven thousand eight hundred forty-one

Notation

Scientific notation 2.1087841 × 10^7
Engineering notation 2.1087841 × 10^6

Prime Factorization of 21087841

Prime Factorization 21087841

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 21087841
Product of the distinct prime numbers

The prime factorization of 21087841 is 21087841. Since it has a total of 1 prime factors.

Most popular turbo-numbers

1, 9, 98, 30, 73, 356, 7489, 430, 92317, 54777, 314101, 828761, 2077729, 9609594, 88204840, 6383467, 59916451, 475011524, 9044399796, 6251821931

Basic calculations (n = 21087841)

Multiplication

n×y
n×2 42175682
n×3 63263523
n×4 84351364
n×5 105439205

Division

n÷y
n÷2 10543920.5
n÷3 7029280.3333333
n÷3 5271960.25
n÷5 4217568.2

Exponentiation

ny
n2 444697038041281
n3 9.3777004313855E+21
n4 1.9775545564269E+29
n5 4.1702356054756E+36

Nth Root

y√n
2√n 4592.1499322213
3√n 276.27655976081
4√n 67.765403652758
5√n 29.161269308308

Divisors of 21087841

1, 21087841

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 21087842
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10543921
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4592.1500411028
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999051586
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21087841 can be divided by 2 positive divisors. The sum of these divisors (counting 21087841) is 21087842, the average is 10543921.

Base conversion 21087841

Base System Value
2 Binary 1010000011100011001100001
3 Ternary 1110200101002011
4 Quaternary 1100130121201
5 Quinary 20344302331
6 Senary 2031552521
8 Octal 120343141
10 Decimal 21087841
12 Duodecimal 708b741
16 Hexadecimal 141c661
20 Vigesimal 6bfjc1
36 Base36 cjzhd

Cryptographic Hash Functions

md5 0e3e909d84fa06621420fcea288fa1ca
sha1 2da8a5778da85de810b28b9b4542d794b6bc0311
sha256 3ef1662b66e00ed60be52ad571d7ed171e690990453feb1c8c26d717bf0f27e3
sha512 7e5266b52dbeb560c0b0b944d7053cde1f0ade90f66cfc6817cc79f22d7a6122d08d8c10355d3e30f5eb09a3e690a9340c7098910c70ace0f05fb36695630713
ripemd-160 d0fdca727a7e29c0592537126a80bc603a07b7e0

21087841 as geometric shapes

Circle

Radius = n
Diameter 42175682
Circumference 132498812.73134
Area 1.3970569477836E+15

Sphere

Radius = n
Volume 3.9281219710409E+22
Surface area 5.5882277911345E+15
Circumference 132498812.73134

Square

Length = n
Perimeter 84351364
Area 444697038041281
Diagonal 29822710.743367

Cube

Length = n
Surface area 2668182228247686
Volume 9.3777004313855E+21
Space diagonal 36525212.033934

Equilateral Triangle

Length = n
Perimeter 63263523
Area 1.9255946596572E+14
Altitude 18262606.016967

Triangular Pyramid

Length = n
Surface area 1.9255946596572E+14
Volume 1.1051725944948E+21
Height 9940903.5811225