21291236 (number)

21291236 is an even 8-digits composite number following 21291235 and preceding 21291237. In scientific notation, it is written as 2.1291236 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 12 positive divisors. There are 10635720 positive integers (up to 21291236) that are relatively prime to 21291236.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred ninety-one thousand two hundred thirty-six

Notation

Scientific notation 2.1291236 × 10^7
Engineering notation 2.1291236 × 10^6

Prime Factorization of 21291236

Prime Factorization 2 × 2 × 1579 × 3371

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10645618
Product of the distinct prime numbers

The prime factorization of 21291236 is 2 × 2 × 1579 × 3371. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21291236)

Multiplication

n×y
n×2 42582472
n×3 63873708
n×4 85164944
n×5 106456180

Division

n÷y
n÷2 10645618
n÷3 7097078.6666667
n÷3 5322809
n÷5 4258247.2

Exponentiation

ny
n2 453316730407696
n3 9.6516734898586E+21
n4 2.0549605806752E+29
n5 4.3752650693854E+36

Nth Root

y√n
2√n 4614.2427331037
3√n 277.16196048268
4√n 67.92821750277
5√n 29.217306384939

Divisors of 21291236

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21291235
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21291236 can be divided by 12 positive divisors. The sum of these divisors (counting 21291236) is 1, the average is 0.083333333333333.

Base conversion 21291236

Base System Value
2 Binary 1010001001110000011100100
3 Ternary 1111001201002022
4 Quaternary 1101032003210
5 Quinary 20422304421
6 Senary 2040202312
8 Octal 121160344
10 Decimal 21291236
12 Duodecimal 7169398
16 Hexadecimal 144e0e4
20 Vigesimal 6d181g
36 Base36 cocf8

Cryptographic Hash Functions

md5 a953491d42eef08095d93aaa6469aba6
sha1 a609d894289717a0f8410e46b6bdc26b566001f0
sha256 dcef19af6b65d1122c63d9fb0d1d537e26d17962250d9e3cf84b6e7f8a5bff55
sha512 741010f096748000a8067908e1080d51b8172a8b9cae92b136aef32b5f49cab82066b392b3e237473bcf33a1208bdc685ea2f5bee4da2547b9ed9a0d827bbd26
ripemd-160 080839d592657dc6f82778cbada3100c82c6dba7

21291236 as geometric shapes

Circle

Radius = n
Diameter 42582472
Circumference 133776781.20689
Area 1.4241365099982E+15

Sphere

Radius = n
Volume 4.0428835374116E+22
Surface area 5.6965460399926E+15
Circumference 133776781.20689

Square

Length = n
Perimeter 85164944
Area 453316730407696
Diagonal 30110354.710886

Cube

Length = n
Surface area 2719900382446176
Volume 9.6516734898586E+21
Space diagonal 36877502.50794

Equilateral Triangle

Length = n
Perimeter 63873708
Area 1.9629190224678E+14
Altitude 18438751.25397

Triangular Pyramid

Length = n
Surface area 1.9629190224678E+14
Volume 1.1374606290796E+21
Height 10036784.903629