21494427 (number)

21494427 is an odd 8-digits composite number following 21494426 and preceding 21494428. In scientific notation, it is written as 2.1494427 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 14156808 positive integers (up to 21494427) that are relatively prime to 21494427.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-four thousand four hundred twenty-seven

Notation

Scientific notation 2.1494427 × 10^7
Engineering notation 2.1494427 × 10^6

Prime Factorization of 21494427

Prime Factorization 3 × 83 × 86323

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21494427
Product of the distinct prime numbers

The prime factorization of 21494427 is 3 × 83 × 86323. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21494427)

Multiplication

n×y
n×2 42988854
n×3 64483281
n×4 85977708
n×5 107472135

Division

n÷y
n÷2 10747213.5
n÷3 7164809
n÷3 5373606.75
n÷5 4298885.4

Exponentiation

ny
n2 462010392058329
n3 9.9306486453391E+21
n4 2.1345360236989E+29
n5 4.5880628740266E+36

Nth Root

y√n
2√n 4636.2082567547
3√n 278.0408605813
4√n 68.089707421567
5√n 29.272861262883

Divisors of 21494427

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21494426
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21494427 can be divided by 8 positive divisors. The sum of these divisors (counting 21494427) is 1, the average is 0.125.

Base conversion 21494427

Base System Value
2 Binary 1010001111111101010011011
3 Ternary 1111110000210220
4 Quaternary 1101333222123
5 Quinary 21000310202
6 Senary 2044411123
8 Octal 121775233
10 Decimal 21494427
12 Duodecimal 7246aa3
16 Hexadecimal 147fa9b
20 Vigesimal 6e6g17
36 Base36 csp7f

Cryptographic Hash Functions

md5 6a39db9b638ff6a391ab28234a908b07
sha1 649741654bbd59c1f15443e1bd7715c03d2122e5
sha256 6d19fea03474ec2a4a47e4d1c85c278f07e78fb286cdc210ff8c42236e002739
sha512 0461d6b299ce31925fb3fe5005d19bdfef845efb619ec0354ab6f79b598b46bc44d19531c3db0cebdeb5cf7cb1c4faa9ab11686bdf103ec58fe200d5f06a7f18
ripemd-160 dba53a332975eba44f19407caa60859b0badea05

21494427 as geometric shapes

Circle

Radius = n
Diameter 42988854
Circumference 135053467.91264
Area 1.4514484535726E+15

Sphere

Radius = n
Volume 4.1597403772772E+22
Surface area 5.8057938142903E+15
Circumference 135053467.91264

Square

Length = n
Perimeter 85977708
Area 462010392058329
Diagonal 30397710.178838

Cube

Length = n
Surface area 2772062352349974
Volume 9.9306486453391E+21
Space diagonal 37229439.64358

Equilateral Triangle

Length = n
Perimeter 64483281
Area 2.0005636816746E+14
Altitude 18614719.82179

Triangular Pyramid

Length = n
Surface area 2.0005636816746E+14
Volume 1.1703381664501E+21
Height 10132570.059613