21491492 (number)

21491492 is an even 8-digits composite number following 21491491 and preceding 21491493. In scientific notation, it is written as 2.1491492 × 10^7. The sum of its digits is 32. It has a total of 5 prime factors and 24 positive divisors. There are 9633600 positive integers (up to 21491492) that are relatively prime to 21491492.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1491492 × 10^7
Engineering notation 2.1491492 × 10^6

Prime Factorization of 21491492

Prime Factorization 2 × 2 × 11 × 73 × 6691

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10745746
Product of the distinct prime numbers

The prime factorization of 21491492 is 2 × 2 × 11 × 73 × 6691. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 2, 11, 33, 444, 277, 2644, 6676, 72264, 44259, 252534, 779471, 9747818, 856913, 65416115, 57169172, 183724283, 807936037, 6662624469, 9360195776

Basic calculations (n = 21491492)

Multiplication

n×y
n×2 42982984
n×3 64474476
n×4 85965968
n×5 107457460

Division

n÷y
n÷2 10745746
n÷3 7163830.6666667
n÷3 5372873
n÷5 4298298.4

Exponentiation

ny
n2 461884228386064
n3 9.9265811992853E+21
n4 2.1333704043179E+29
n5 4.5849312977435E+36

Nth Root

y√n
2√n 4635.8917157328
3√n 278.02820478806
4√n 68.087382940842
5√n 29.272061794808

Divisors of 21491492

1, 2, 4, 11, 22, 44, 73, 146, 292, 803, 1606, 3212, 6691, 13382, 26764, 73601, 147202, 294404, 488443, 976886, 1953772, 5372873, 10745746, 21491492

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21491491
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21491492 can be divided by 24 positive divisors. The sum of these divisors (counting 21491492) is 1, the average is 0.041666666666667.

Base conversion 21491492

Base System Value
2 Binary 1010001111110111100100100
3 Ternary 1111102212210012
4 Quaternary 1101332330210
5 Quinary 21000211432
6 Senary 2044345352
8 Octal 121767444
10 Decimal 21491492
12 Duodecimal 7245258
16 Hexadecimal 147ef24
20 Vigesimal 6e68ec
36 Base36 csmxw

Cryptographic Hash Functions

md5 516fee530d7a6ac4465555120cd1a35a
sha1 240edd7980688df2abea6db2bfb96983f3e52af3
sha256 f6a06ac12084a58196cb14c8c4eb456c389da41c1005467bd6084fc078c7bbab
sha512 5fec3cd44d270925fb97909bab0357fe6339e0387037c0659f4087a4f4d6f2404952aa511b81c055fdc593a7b4e402e556c5d0c814e619b7ac9f8ea8046c0eae
ripemd-160 47336b15a237ddfc7c7f9db9cbe1d672aced5b7c

21491492 as geometric shapes

Circle

Radius = n
Diameter 42982984
Circumference 135035026.76377
Area 1.4510520987066E+15

Sphere

Radius = n
Volume 4.1580366094583E+22
Surface area 5.8042083948266E+15
Circumference 135035026.76377

Square

Length = n
Perimeter 85965968
Area 461884228386064
Diagonal 30393559.462033

Cube

Length = n
Surface area 2771305370316384
Volume 9.9265811992853E+21
Space diagonal 37224356.07446

Equilateral Triangle

Length = n
Perimeter 64474476
Area 2.0000173769485E+14
Altitude 18612178.03723

Triangular Pyramid

Length = n
Surface area 2.0000173769485E+14
Volume 1.1698588133356E+21
Height 10131186.487344