21492472 (number)

21492472 is an even 8-digits composite number following 21492471 and preceding 21492473. In scientific notation, it is written as 2.1492472 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 8 positive divisors. There are 10746232 positive integers (up to 21492472) that are relatively prime to 21492472.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1492472 × 10^7
Engineering notation 2.1492472 × 10^6

Prime Factorization of 21492472

Prime Factorization 2 × 2 × 2 × 2686559

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 5373118
Product of the distinct prime numbers

The prime factorization of 21492472 is 2 × 2 × 2 × 2686559. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21492472)

Multiplication

n×y
n×2 42984944
n×3 64477416
n×4 85969888
n×5 107462360

Division

n÷y
n÷2 10746236
n÷3 7164157.3333333
n÷3 5373118
n÷5 4298494.4

Exponentiation

ny
n2 461926352670784
n3 9.927939200839E+21
n4 2.1337595529173E+29
n5 4.5859767445808E+36

Nth Root

y√n
2√n 4635.997411561
3√n 278.03243070065
4√n 68.088159114203
5√n 29.272328747864

Divisors of 21492472

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 -21492471
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 21492472 can be divided by 8 positive divisors. The sum of these divisors (counting 21492472) is 1, the average is 0.125.

Base conversion 21492472

Base System Value
2 Binary 1010001111111001011111000
3 Ternary 1111102221010111
4 Quaternary 1101333023320
5 Quinary 21000224342
6 Senary 2044354104
8 Octal 121771370
10 Decimal 21492472
12 Duodecimal 7245934
16 Hexadecimal 147f2f8
20 Vigesimal 6e6b3c
36 Base36 csnp4

Cryptographic Hash Functions

md5 2aae4e19c2321bbeabc95c125a6ab97c
sha1 906a9f53b4cc582075ab57bbc6f19f1f7b7836cd
sha256 9060751193330bfab3d17146d1c4278d58e74fc37b1186caa175224abda72469
sha512 f8aef1651e70a02898d45d664ca2bec7930502a870e8aad6380b1def39023bf3afa23e490f84f872fa98e63c14cff521fb0a6ba00843a5a51668ffe4fa031f4d
ripemd-160 b0d356cd0bd4819b2aee211dc934856dc1bb8dbc

21492472 as geometric shapes

Circle

Radius = n
Diameter 42984944
Circumference 135041184.28537
Area 1.4511844360501E+15

Sphere

Radius = n
Volume 4.1586054478189E+22
Surface area 5.8047377442003E+15
Circumference 135041184.28537

Square

Length = n
Perimeter 85969888
Area 461926352670784
Diagonal 30394945.391324

Cube

Length = n
Surface area 2771558116024704
Volume 9.927939200839E+21
Space diagonal 37226053.484251

Equilateral Triangle

Length = n
Perimeter 64477416
Area 2.0001997804519E+14
Altitude 18613026.742126

Triangular Pyramid

Length = n
Surface area 2.0001997804519E+14
Volume 1.1700188553535E+21
Height 10131648.463775