21682421 (number)

21682421 is an odd 8-digits composite number following 21682420 and preceding 21682422. In scientific notation, it is written as 2.1682421 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 21672972 positive integers (up to 21682421) that are relatively prime to 21682421.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred eighty-two thousand four hundred twenty-one

Notation

Scientific notation 2.1682421 × 10^7
Engineering notation 2.1682421 × 10^6

Prime Factorization of 21682421

Prime Factorization 5527 × 3923

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21682421
Product of the distinct prime numbers

The prime factorization of 21682421 is 5527 × 3923. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21682421)

Multiplication

n×y
n×2 43364842
n×3 65047263
n×4 86729684
n×5 108412105

Division

n÷y
n÷2 10841210.5
n÷3 7227473.6666667
n÷3 5420605.25
n÷5 4336484.2

Exponentiation

ny
n2 470127380421241
n3 1.0193499785921E+22
n4 2.2101975382174E+29
n5 4.7922433516793E+36

Nth Root

y√n
2√n 4656.4386606075
3√n 278.84910670881
4√n 68.23810270375
5√n 29.323888165727

Divisors of 21682421

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 -21682420
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 21682421 can be divided by 4 positive divisors. The sum of these divisors (counting 21682421) is 1, the average is 0.25.

Base conversion 21682421

Base System Value
2 Binary 1010010101101100011110101
3 Ternary 1111210120200122
4 Quaternary 1102231203311
5 Quinary 21022314141
6 Senary 2052421325
8 Octal 122554365
10 Decimal 21682421
12 Duodecimal 7317845
16 Hexadecimal 14ad8f5
20 Vigesimal 6fa611
36 Base36 cwq9h

Cryptographic Hash Functions

md5 3812c6e8634b550e05aabb3316ed9a9c
sha1 0ffb99c575d72a924bed1943f6fa2c74364e6f06
sha256 88d3361f3ce95a36719b4faa146dad6812a12e67ec31e87da8136fa5f96b71ca
sha512 26697778b4aaab550343ab619ed2ed73876a1c1879089f4fc5adf1308ca2ed9e1b93c8d43f91ff4209ec53d1cfa226f1d1c9eb247ae849ee36287fb4fce6b5a0
ripemd-160 6a52d2d144288e93e6119f3c4e426cd9e417b064

21682421 as geometric shapes

Circle

Radius = n
Diameter 43364842
Circumference 136234669.05128
Area 1.4769487245828E+15

Sphere

Radius = n
Volume 4.2698432055756E+22
Surface area 5.9077948983311E+15
Circumference 136234669.05128

Square

Length = n
Perimeter 86729684
Area 470127380421241
Diagonal 30663573.843283

Cube

Length = n
Surface area 2820764282527446
Volume 1.0193499785921E+22
Space diagonal 37555054.803098

Equilateral Triangle

Length = n
Perimeter 65047263
Area 2.0357112722971E+14
Altitude 18777527.401549

Triangular Pyramid

Length = n
Surface area 2.0357112722971E+14
Volume 1.2013154704413E+21
Height 10221191.281094