21371904 (number)

21371904 is an even 8-digits composite number following 21371903 and preceding 21371905. In scientific notation, it is written as 2.1371904 × 10^7. The sum of its digits is 27. It has a total of 13 prime factors and 88 positive divisors. There are 7114752 positive integers (up to 21371904) that are relatively prime to 21371904.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred seventy-one thousand nine hundred four

Notation

Scientific notation 2.1371904 × 10^7
Engineering notation 2.1371904 × 10^6

Prime Factorization of 21371904

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 9 × 773

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 13
Total number of prime factors
rad Radical 41742
Product of the distinct prime numbers

The prime factorization of 21371904 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 9 × 773. Since it has a total of 13 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21371904)

Multiplication

n×y
n×2 42743808
n×3 64115712
n×4 85487616
n×5 106859520

Division

n÷y
n÷2 10685952
n÷3 7123968
n÷3 5342976
n÷5 4274380.8

Exponentiation

ny
n2 456758280585216
n3 9.7617941238723E+21
n4 2.0862812688316E+29
n5 4.4587802994468E+36

Nth Root

y√n
2√n 4622.9756650885
3√n 277.51155539902
4√n 67.992467708478
5√n 29.239412549642

Divisors of 21371904

88 divisors

τ Total Divisors 88
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21371903
Sum of the proper positive divisors of n
A Arithmetic Mean 0.011363636363636
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 88
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21371904 can be divided by 88 positive divisors. The sum of these divisors (counting 21371904) is 1, the average is 0.011363636363636.

Base conversion 21371904

Base System Value
2 Binary 1010001100001110000000000
3 Ternary 1111012210202000
4 Quaternary 1101201300000
5 Quinary 20432400104
6 Senary 2042024000
8 Octal 121416000
10 Decimal 21371904
12 Duodecimal 71a8000
16 Hexadecimal 1461c00
20 Vigesimal 6db9f4
36 Base36 cq2o0

Cryptographic Hash Functions

md5 91343fbf009be56571bb0faf94fe8c34
sha1 83e84c62054274561bb799edd6358e0b671324ed
sha256 7ca64ef0592145a9ac34b7db61aaa143e4fc41707a63e602299564d57b3b8bb0
sha512 d34d6af988ac3d75460742baa550057527f02be61f2229f32028635856e4bedf08951091494e9a0797301573b31fe751516d585b712ef1fe83c7689c5f1796ed
ripemd-160 789b9efb8cd8aaf0e7ccb4008431572c5385ca85

21371904 as geometric shapes

Circle

Radius = n
Diameter 42743808
Circumference 134283633.19925
Area 1.4349484587528E+15

Sphere

Radius = n
Volume 4.0890107607218E+22
Surface area 5.7397938350113E+15
Circumference 134283633.19925

Square

Length = n
Perimeter 85487616
Area 456758280585216
Diagonal 30224436.490536

Cube

Length = n
Surface area 2740549683511296
Volume 9.7617941238723E+21
Space diagonal 37017223.582485

Equilateral Triangle

Length = n
Perimeter 64115712
Area 1.9778213718785E+14
Altitude 18508611.791242

Triangular Pyramid

Length = n
Surface area 1.9778213718785E+14
Volume 1.1504384702562E+21
Height 10074812.163512