21291749 (number)

21291749 is an odd 8-digits prime number following 21291748 and preceding 21291750. In scientific notation, it is written as 2.1291749 × 10^7. The sum of its digits is 35. It has a total of 1 prime factors and 2 positive divisors. There are 21291748 positive integers (up to 21291749) that are relatively prime to 21291749.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred ninety-one thousand seven hundred forty-nine

Notation

Scientific notation 2.1291749 × 10^7
Engineering notation 2.1291749 × 10^6

Prime Factorization of 21291749

Prime Factorization 21291749

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 21291749
Product of the distinct prime numbers

The prime factorization of 21291749 is 21291749. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21291749)

Multiplication

n×y
n×2 42583498
n×3 63875247
n×4 85166996
n×5 106458745

Division

n÷y
n÷2 10645874.5
n÷3 7097249.6666667
n÷3 5322937.25
n÷5 4258349.8

Exponentiation

ny
n2 453338575479001
n3 9.6523711611164E+21
n4 2.0551586401733E+29
n5 4.3757921921751E+36

Nth Root

y√n
2√n 4614.2983215219
3√n 277.16418648377
4√n 67.928626671838
5√n 29.217447178397

Divisors of 21291749

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 21291750
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10645875
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4614.2984298808
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999060669
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21291749 can be divided by 2 positive divisors. The sum of these divisors (counting 21291749) is 21291750, the average is 10645875.

Base conversion 21291749

Base System Value
2 Binary 1010001001110001011100101
3 Ternary 1111001201210022
4 Quaternary 1101032023211
5 Quinary 20422313444
6 Senary 2040204525
8 Octal 121161345
10 Decimal 21291749
12 Duodecimal 7169745
16 Hexadecimal 144e2e5
20 Vigesimal 6d1979
36 Base36 cocth

Cryptographic Hash Functions

md5 780d99ec588200d0b976f53ddc706554
sha1 3d55719744eccd235c0eb6af952635097e99d04f
sha256 e20a3ddb653e416279ddcb88d903748ab271f5fbbe9acfbc1cc87634d6321a4b
sha512 769b99f273fd54b8f45c98503a276174cdbf6ac6dd1201e2cb5d7584dd57c38504bed9855dfbf69bd8d79c1df43900c4e6a8bbc930c9c07c75ff2a8aa1d345d5
ripemd-160 a0d421384531b40662ea5d02840d6094d369c552

21291749 as geometric shapes

Circle

Radius = n
Diameter 42583498
Circumference 133780004.48096
Area 1.4242051383137E+15

Sphere

Radius = n
Volume 4.0431757772647E+22
Surface area 5.6968205532548E+15
Circumference 133780004.48096

Square

Length = n
Perimeter 85166996
Area 453338575479001
Diagonal 30111080.202444

Cube

Length = n
Surface area 2720031452874006
Volume 9.6523711611164E+21
Space diagonal 36878391.050004

Equilateral Triangle

Length = n
Perimeter 63875247
Area 1.9630136144013E+14
Altitude 18439195.525002

Triangular Pyramid

Length = n
Surface area 1.9630136144013E+14
Volume 1.1375428504258E+21
Height 10037026.734148