21492087 (number)

21492087 is an odd 8-digits composite number following 21492086 and preceding 21492088. In scientific notation, it is written as 2.1492087 × 10^7. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 14328056 positive integers (up to 21492087) that are relatively prime to 21492087.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1492087 × 10^7
Engineering notation 2.1492087 × 10^6

Prime Factorization of 21492087

Prime Factorization 3 × 7164029

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21492087
Product of the distinct prime numbers

The prime factorization of 21492087 is 3 × 7164029. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21492087)

Multiplication

n×y
n×2 42984174
n×3 64476261
n×4 85968348
n×5 107460435

Division

n÷y
n÷2 10746043.5
n÷3 7164029
n÷3 5373021.75
n÷5 4298417.4

Exponentiation

ny
n2 461909803615569
n3 9.9274056854587E+21
n4 2.1336066667617E+29
n5 4.5855660105823E+36

Nth Root

y√n
2√n 4635.9558884873
3√n 278.03077053602
4√n 68.087854192119
5√n 29.272223874611

Divisors of 21492087

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21492086
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21492087 can be divided by 4 positive divisors. The sum of these divisors (counting 21492087) is 1, the average is 0.25.

Base conversion 21492087

Base System Value
2 Binary 1010001111111000101110111
3 Ternary 1111102220121020
4 Quaternary 1101333011313
5 Quinary 21000221322
6 Senary 2044352223
8 Octal 121770567
10 Decimal 21492087
12 Duodecimal 7245673
16 Hexadecimal 147f177
20 Vigesimal 6e6a47
36 Base36 csnef

Cryptographic Hash Functions

md5 b5b10ce6abb7bda8d8f5e4b947cc667a
sha1 f1016d09f41018823d69be5c3bdd52fe4ce7c3d9
sha256 a947758f4256b6024bb0af017b891773a4f67b6b32c12436d7b710915577f0fd
sha512 a8cb314eadd0bf6ca2d22416a7c84bfce205c207fc4c4cbd475f9f553a1b3c4cea5dcbaa9619b290dc6bff867475903fc30ba585c0f771cc146aa5e6dc12ba6a
ripemd-160 2b4480768a5582bbb9da36140a1b6976de640ebb

21492087 as geometric shapes

Circle

Radius = n
Diameter 42984174
Circumference 135038765.25903
Area 1.4511324456598E+15

Sphere

Radius = n
Volume 4.158381969419E+22
Surface area 5.8045297826391E+15
Circumference 135038765.25903

Square

Length = n
Perimeter 85968348
Area 461909803615569
Diagonal 30394400.919102

Cube

Length = n
Surface area 2771458821693414
Volume 9.9274056854587E+21
Space diagonal 37225386.644691

Equilateral Triangle

Length = n
Perimeter 64476261
Area 2.0001281209408E+14
Altitude 18612693.322345

Triangular Pyramid

Length = n
Surface area 2.0001281209408E+14
Volume 1.169955979963E+21
Height 10131466.973034