21495561 (number)

21495561 is an odd 8-digits composite number following 21495560 and preceding 21495562. In scientific notation, it is written as 2.1495561 × 10^7. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 14330372 positive integers (up to 21495561) that are relatively prime to 21495561.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-five thousand five hundred sixty-one

Notation

Scientific notation 2.1495561 × 10^7
Engineering notation 2.1495561 × 10^6

Prime Factorization of 21495561

Prime Factorization 3 × 7165187

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21495561
Product of the distinct prime numbers

The prime factorization of 21495561 is 3 × 7165187. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21495561)

Multiplication

n×y
n×2 42991122
n×3 64486683
n×4 85982244
n×5 107477805

Division

n÷y
n÷2 10747780.5
n÷3 7165187
n÷3 5373890.25
n÷5 4299112.2

Exponentiation

ny
n2 462059142704721
n3 9.932220487617E+21
n4 2.1349865135702E+29
n5 4.5892732836626E+36

Nth Root

y√n
2√n 4636.3305533579
3√n 278.04575010904
4√n 68.090605470637
5√n 29.273170131076

Divisors of 21495561

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 -21495560
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 21495561 can be divided by 4 positive divisors. The sum of these divisors (counting 21495561) is 1, the average is 0.25.

Base conversion 21495561

Base System Value
2 Binary 1010001111111111100001001
3 Ternary 1111110002100220
4 Quaternary 1101333330021
5 Quinary 21000324221
6 Senary 2044420253
8 Octal 121777411
10 Decimal 21495561
12 Duodecimal 7247689
16 Hexadecimal 147ff09
20 Vigesimal 6e6ii1
36 Base36 csq2x

Cryptographic Hash Functions

md5 ee1025f13627fefbf73d82625aaf4657
sha1 c111a7bb8612cf17bb81163072f5718d59cda64f
sha256 d581f117845510df8029c05047cea5546e59eaf84b03fdf275653e2184d9a009
sha512 081c993f9e8378dee8a4d95a0d9b770f5706666a14b0cf96ba9dfc8065eb2606d5f23e8c1f0a8a627b009e9bde17f5f3d717d1ff201d984ae160883729228a8d
ripemd-160 ce1376b25d90285753f3216e305a0ff7f26119d0

21495561 as geometric shapes

Circle

Radius = n
Diameter 42991122
Circumference 135060593.04478
Area 1.4516016082451E+15

Sphere

Radius = n
Volume 4.1603987890309E+22
Surface area 5.8064064329806E+15
Circumference 135060593.04478

Square

Length = n
Perimeter 85982244
Area 462059142704721
Diagonal 30399313.897018

Cube

Length = n
Surface area 2772354856228326
Volume 9.932220487617E+21
Space diagonal 37231403.789196

Equilateral Triangle

Length = n
Perimeter 64486683
Area 2.0007747781657E+14
Altitude 18615701.894598

Triangular Pyramid

Length = n
Surface area 2.0007747781657E+14
Volume 1.170523409839E+21
Height 10133104.632339