21494472 (number)

21494472 is an even 8-digits composite number following 21494471 and preceding 21494473. In scientific notation, it is written as 2.1494472 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 16 positive divisors. There are 6787584 positive integers (up to 21494472) that are relatively prime to 21494472.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-four thousand four hundred seventy-two

Notation

Scientific notation 2.1494472 × 10^7
Engineering notation 2.1494472 × 10^6

Prime Factorization of 21494472

Prime Factorization 2 × 2 × 2 × 57 × 47137

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5373618
Product of the distinct prime numbers

The prime factorization of 21494472 is 2 × 2 × 2 × 57 × 47137. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21494472)

Multiplication

n×y
n×2 42988944
n×3 64483416
n×4 85977888
n×5 107472360

Division

n÷y
n÷2 10747236
n÷3 7164824
n÷3 5373618
n÷5 4298894.4

Exponentiation

ny
n2 462012326558784
n3 9.9307110168726E+21
n4 2.1345538989226E+29
n5 4.5881109012883E+36

Nth Root

y√n
2√n 4636.2131098559
3√n 278.04105461346
4√n 68.089743059112
5√n 29.272873519805

Divisors of 21494472

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 -21494471
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 21494472 can be divided by 16 positive divisors. The sum of these divisors (counting 21494472) is 1, the average is 0.0625.

Base conversion 21494472

Base System Value
2 Binary 1010001111111101011001000
3 Ternary 1111110000212120
4 Quaternary 1101333223020
5 Quinary 21000310342
6 Senary 2044411240
8 Octal 121775310
10 Decimal 21494472
12 Duodecimal 7246b20
16 Hexadecimal 147fac8
20 Vigesimal 6e6g3c
36 Base36 csp8o

Cryptographic Hash Functions

md5 2c0ddc1f110430468ab5f188a5ca82be
sha1 454f90e27d397e12ca3050e439c942d2044deb6f
sha256 13b0e8a3f7c4efc9b9ef9bcefa9f9d475b2b4d4ac84a376cb33f8a742f17de85
sha512 c511d35b29d71fa83c7cc050cb89a05aaa7ce0c7283f5dddc8538f29ff97e8fd0dc90bdd4023eb3377c4315a3b66537ad7d45b55a9a66a66423b0c68fbd620d0
ripemd-160 a25c699b033c9c0b9edf6b5fb4c464ef65efbb3f

21494472 as geometric shapes

Circle

Radius = n
Diameter 42988944
Circumference 135053750.65598
Area 1.451454530985E+15

Sphere

Radius = n
Volume 4.159766503404E+22
Surface area 5.80581812394E+15
Circumference 135053750.65598

Square

Length = n
Perimeter 85977888
Area 462012326558784
Diagonal 30397773.818449

Cube

Length = n
Surface area 2772073959352704
Volume 9.9307110168726E+21
Space diagonal 37229517.585867

Equilateral Triangle

Length = n
Perimeter 64483416
Area 2.0005720583073E+14
Altitude 18614758.792933

Triangular Pyramid

Length = n
Surface area 2.0005720583073E+14
Volume 1.1703455170058E+21
Height 10132591.272816