21851372 (number)

21851372 is an even 8-digits composite number following 21851371 and preceding 21851373. In scientific notation, it is written as 2.1851372 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 6 positive divisors. There are 10925684 positive integers (up to 21851372) that are relatively prime to 21851372.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred fifty-one thousand three hundred seventy-two

Notation

Scientific notation 2.1851372 × 10^7
Engineering notation 2.1851372 × 10^6

Prime Factorization of 21851372

Prime Factorization 2 × 2 × 5462843

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 10925686
Product of the distinct prime numbers

The prime factorization of 21851372 is 2 × 2 × 5462843. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21851372)

Multiplication

n×y
n×2 43702744
n×3 65554116
n×4 87405488
n×5 109256860

Division

n÷y
n÷2 10925686
n÷3 7283790.6666667
n÷3 5462843
n÷5 4370274.4

Exponentiation

ny
n2 477482458282384
n3 1.0433646819403E+22
n4 2.2798949796739E+29
n5 4.9818833321787E+36

Nth Root

y√n
2√n 4674.545111559
3√n 279.57150445405
4√n 68.370645101235
5√n 29.369445166256

Divisors of 21851372

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21851371
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21851372 can be divided by 6 positive divisors. The sum of these divisors (counting 21851372) is 1, the average is 0.16666666666667.

Base conversion 21851372

Base System Value
2 Binary 1010011010110110011101100
3 Ternary 1112010011110002
4 Quaternary 1103112303230
5 Quinary 21043220442
6 Senary 2100203432
8 Octal 123266354
10 Decimal 21851372
12 Duodecimal 7399578
16 Hexadecimal 14d6cec
20 Vigesimal 6gb88c
36 Base36 d0cmk

Cryptographic Hash Functions

md5 9da1d05b32e73d6638f0f5a63bc55078
sha1 d7d42c0811322bc2d51ded7043ba5eae6a2d3cba
sha256 8dd5f1e64e995c8ed07b1e5d7e2f1f0363c57981f97cb6f551924b1fe8062bfe
sha512 c0af95dbd9e0a4c7e3bd2813a3807e33af50ef6eb4c5375ae65ee88fe9929af685c95ef3fa9efdc4a7f9befb940de5a5c803096599b5b288da3345a8e0a1c90b
ripemd-160 b8030a353fe0ccf9c611ca4e52bd681577dedc32

21851372 as geometric shapes

Circle

Radius = n
Diameter 43702744
Circumference 137296219.49212
Area 1.5000553831579E+15

Sphere

Radius = n
Volume 4.3704357597315E+22
Surface area 6.0002215326317E+15
Circumference 137296219.49212

Square

Length = n
Perimeter 87405488
Area 477482458282384
Diagonal 30902506.63886

Cube

Length = n
Surface area 2864894749694304
Volume 1.0433646819403E+22
Space diagonal 37847686.519088

Equilateral Triangle

Length = n
Perimeter 65554116
Area 2.0675596936699E+14
Altitude 18923843.259544

Triangular Pyramid

Length = n
Surface area 2.0675596936699E+14
Volume 1.2296170697509E+21
Height 10300835.546287