21495973 (number)

21495973 is an odd 8-digits composite number following 21495972 and preceding 21495974. In scientific notation, it is written as 2.1495973 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 18835200 positive integers (up to 21495973) that are relatively prime to 21495973.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1495973 × 10^7
Engineering notation 2.1495973 × 10^6

Prime Factorization of 21495973

Prime Factorization 61 × 17 × 19 × 1091

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21495973
Product of the distinct prime numbers

The prime factorization of 21495973 is 61 × 17 × 19 × 1091. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21495973)

Multiplication

n×y
n×2 42991946
n×3 64487919
n×4 85983892
n×5 107479865

Division

n÷y
n÷2 10747986.5
n÷3 7165324.3333333
n÷3 5373993.25
n÷5 4299194.6

Exponentiation

ny
n2 462076855216729
n3 9.9327916036637E+21
n4 2.1351502012698E+29
n5 4.5897131077441E+36

Nth Root

y√n
2√n 4636.3749848346
3√n 278.04752650863
4√n 68.09093173716
5√n 29.27328234451

Divisors of 21495973

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21495972
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21495973 can be divided by 16 positive divisors. The sum of these divisors (counting 21495973) is 1, the average is 0.0625.

Base conversion 21495973

Base System Value
2 Binary 1010010000000000010100101
3 Ternary 1111110002221011
4 Quaternary 1102000002211
5 Quinary 21000332343
6 Senary 2044422221
8 Octal 122000245
10 Decimal 21495973
12 Duodecimal 7247971
16 Hexadecimal 14800a5
20 Vigesimal 6e6jid
36 Base36 csqed

Cryptographic Hash Functions

md5 a96be253a429dc0c0ff70ffcf981e3a8
sha1 f05b70f1d006c0fbc8587ef73f69def7ce4f34f7
sha256 5504659913f451baa382d85a830e0b89807449d1c2a917de274e47538d504efc
sha512 1358e6da9ea126ba7cf3565d0da736def174a0c0f486e235ef5e6bea67ee0df88038dc6c8d62b2e2629359b886330a4287f28111117dc451a71fadf8d6403601
ripemd-160 68140ddab85825e44e28f80f82cca51ee4425087

21495973 as geometric shapes

Circle

Radius = n
Diameter 42991946
Circumference 135063181.71713
Area 1.4516572537428E+15

Sphere

Radius = n
Volume 4.1606380175611E+22
Surface area 5.806629014971E+15
Circumference 135063181.71713

Square

Length = n
Perimeter 85983892
Area 462076855216729
Diagonal 30399896.553006

Cube

Length = n
Surface area 2772461131300374
Volume 9.9327916036637E+21
Space diagonal 37232117.394129

Equilateral Triangle

Length = n
Perimeter 64487919
Area 2.0008514755926E+14
Altitude 18616058.697064

Triangular Pyramid

Length = n
Surface area 2.0008514755926E+14
Volume 1.1705907165106E+21
Height 10133298.851002