21689911 (number)

21689911 is an odd 8-digits composite number following 21689910 and preceding 21689912. In scientific notation, it is written as 2.1689911 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 21615592 positive integers (up to 21689911) that are relatively prime to 21689911.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred eighty-nine thousand nine hundred eleven

Notation

Scientific notation 2.1689911 × 10^7
Engineering notation 2.1689911 × 10^6

Prime Factorization of 21689911

Prime Factorization 293 × 74027

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21689911
Product of the distinct prime numbers

The prime factorization of 21689911 is 293 × 74027. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21689911)

Multiplication

n×y
n×2 43379822
n×3 65069733
n×4 86759644
n×5 108449555

Division

n÷y
n÷2 10844955.5
n÷3 7229970.3333333
n÷3 5422477.75
n÷5 4337982.2

Exponentiation

ny
n2 470452239187921
n3 1.0204067197737E+22
n4 2.2132530935693E+29
n5 4.8005262619993E+36

Nth Root

y√n
2√n 4657.2428538782
3√n 278.88121166243
4√n 68.243995002332
5√n 29.325913821258

Divisors of 21689911

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 -21689910
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 21689911 can be divided by 4 positive divisors. The sum of these divisors (counting 21689911) is 1, the average is 0.25.

Base conversion 21689911

Base System Value
2 Binary 1010010101111011000110111
3 Ternary 1111210221222001
4 Quaternary 1102233120313
5 Quinary 21023034121
6 Senary 2052520131
8 Octal 122573067
10 Decimal 21689911
12 Duodecimal 7320047
16 Hexadecimal 14af637
20 Vigesimal 6fb4fb
36 Base36 cww1j

Cryptographic Hash Functions

md5 1deddb920fbbd9da9325744bcae40fd8
sha1 3b66d33f3f9942bedd522e33abcd078727b6b308
sha256 0def3e956659b3b2705d63c8aa3458bb8657d70a7956ec92089f3446314800da
sha512 9fe226f8a68fa7c68ed25a728775a68aebb09143fd6b9690965b35137553c282d3adfba13ccf17e087015f6fddb5393f0ed4ea37028ce151211433b597b1ca9b
ripemd-160 eb171ebdd72bc759b6525b28503680090412757c

21689911 as geometric shapes

Circle

Radius = n
Diameter 43379822
Circumference 136281730.10923
Area 1.4779692984976E+15

Sphere

Radius = n
Volume 4.2742696726862E+22
Surface area 5.9118771939906E+15
Circumference 136281730.10923

Square

Length = n
Perimeter 86759644
Area 470452239187921
Diagonal 30674166.302865

Cube

Length = n
Surface area 2822713435127526
Volume 1.0204067197737E+22
Space diagonal 37568027.863647

Equilateral Triangle

Length = n
Perimeter 65069733
Area 2.0371179520201E+14
Altitude 18784013.931824

Triangular Pyramid

Length = n
Surface area 2.0371179520201E+14
Volume 1.2025608518671E+21
Height 10224722.100955