21492515 (number)

21492515 is an odd 8-digits composite number following 21492514 and preceding 21492516. In scientific notation, it is written as 2.1492515 × 10^7. The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors. There are 14601600 positive integers (up to 21492515) that are relatively prime to 21492515.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-two thousand five hundred fifteen

Notation

Scientific notation 2.1492515 × 10^7
Engineering notation 2.1492515 × 10^6

Prime Factorization of 21492515

Prime Factorization 11 × 655 × 19 × 157

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21492515
Product of the distinct prime numbers

The prime factorization of 21492515 is 11 × 655 × 19 × 157. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 7, 51, 50, 407, 969, 9363, 6215, 26424, 82354, 241327, 497960, 8674173, 3697161, 71233226, 59513873, 714043913, 539519815, 9863186238, 4328753734

Basic calculations (n = 21492515)

Multiplication

n×y
n×2 42985030
n×3 64477545
n×4 85970060
n×5 107462575

Division

n÷y
n÷2 10746257.5
n÷3 7164171.6666667
n÷3 5373128.75
n÷5 4298503

Exponentiation

ny
n2 461928201025225
n3 9.9279987894577E+21
n4 2.133776629024E+29
n5 4.5860226205948E+36

Nth Root

y√n
2√n 4636.0020491799
3√n 278.0326161204
4√n 68.088193170181
5√n 29.272340460888

Divisors of 21492515

1, 11, 19, 157, 209, 655, 1727, 2983, 7205, 12445, 32813, 102835, 136895, 1131185, 1953865, 21492515

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 -21492514
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 21492515 can be divided by 16 positive divisors. The sum of these divisors (counting 21492515) is 1, the average is 0.0625.

Base conversion 21492515

Base System Value
2 Binary 1010001111111001100100011
3 Ternary 1111102221012002
4 Quaternary 1101333030203
5 Quinary 21000230030
6 Senary 2044354215
8 Octal 121771443
10 Decimal 21492515
12 Duodecimal 724596b
16 Hexadecimal 147f323
20 Vigesimal 6e6b5f
36 Base36 csnqb

Cryptographic Hash Functions

md5 e026ab60d001051064c21c067cbd95a1
sha1 4496e96cf788a22a6ce6ec68dcef2689f15186f6
sha256 76a13f320e8ad019aea2f4f1356a59953eacb1088e64b9edc1c26b88ef2a58a7
sha512 1c182e1ae69beda93cd65497fde320c340d49cb8f80aab02dcb81de18b79b54784c2274ba181ededffa2010dfde18ff7b444f789da0a4d37af13b5746bb9c999
ripemd-160 307bbfe9fbadf44bab84de7cbfcb5ef7e9c73399

21492515 as geometric shapes

Circle

Radius = n
Diameter 42985030
Circumference 135041454.46234
Area 1.4511902428268E+15

Sphere

Radius = n
Volume 4.1586304082411E+22
Surface area 5.8047609713072E+15
Circumference 135041454.46234

Square

Length = n
Perimeter 85970060
Area 461928201025225
Diagonal 30395006.202507

Cube

Length = n
Surface area 2771569206151350
Volume 9.9279987894577E+21
Space diagonal 37226127.962436

Equilateral Triangle

Length = n
Perimeter 64477545
Area 2.0002077840614E+14
Altitude 18613063.981218

Triangular Pyramid

Length = n
Surface area 2.0002077840614E+14
Volume 1.1700258779396E+21
Height 10131668.734169