21493846 (number)

21493846 is an even 8-digits composite number following 21493845 and preceding 21493847. In scientific notation, it is written as 2.1493846 × 10^7. The sum of its digits is 37. It has a total of 5 prime factors and 32 positive divisors. There are 9466080 positive integers (up to 21493846) that are relatively prime to 21493846.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-three thousand eight hundred forty-six

Notation

Scientific notation 2.1493846 × 10^7
Engineering notation 2.1493846 × 10^6

Prime Factorization of 21493846

Prime Factorization 2 × 11 × 79 × 149 × 83

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21493846
Product of the distinct prime numbers

The prime factorization of 21493846 is 2 × 11 × 79 × 149 × 83. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21493846)

Multiplication

n×y
n×2 42987692
n×3 64481538
n×4 85975384
n×5 107469230

Division

n÷y
n÷2 10746923
n÷3 7164615.3333333
n÷3 5373461.5
n÷5 4298769.2

Exponentiation

ny
n2 461985415871716
n3 9.9298433829926E+21
n4 2.1343052447816E+29
n5 4.5874428248329E+36

Nth Root

y√n
2√n 4636.1455973686
3√n 278.03835538627
4√n 68.08924729624
5√n 29.272703010548

Divisors of 21493846

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21493845
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21493846 can be divided by 32 positive divisors. The sum of these divisors (counting 21493846) is 1, the average is 0.03125.

Base conversion 21493846

Base System Value
2 Binary 1010001111111100001010110
3 Ternary 1111110000000101
4 Quaternary 1101333201112
5 Quinary 21000300341
6 Senary 2044404314
8 Octal 121774126
10 Decimal 21493846
12 Duodecimal 724669a
16 Hexadecimal 147f856
20 Vigesimal 6e6ec6
36 Base36 csora

Cryptographic Hash Functions

md5 376e5d34091f601393dce99cb467ecc8
sha1 b63aaf0cf30e94de272dc8af6239a401911d3ff0
sha256 f9451897907e8122473fbf7f3f9f5d543068deacae55bbff3bedc19440586915
sha512 92e950a2789bc6307888e8a9efd8e6e3fb43e6aaf8abed55990724fe94bb4e699411c5cabc230161fc0d88320cab87f118c3d94f5e0a4883b4f659ce85b0dd02
ripemd-160 5af4dbb6f522a1549950807a976dbfca9340ab6f

21493846 as geometric shapes

Circle

Radius = n
Diameter 42987692
Circumference 135049817.38198
Area 1.4513699885682E+15

Sphere

Radius = n
Volume 4.1594030697742E+22
Surface area 5.8054799542728E+15
Circumference 135049817.38198

Square

Length = n
Perimeter 85975384
Area 461985415871716
Diagonal 30396888.520759

Cube

Length = n
Surface area 2771912495230296
Volume 9.9298433829926E+21
Space diagonal 37228433.322061

Equilateral Triangle

Length = n
Perimeter 64481538
Area 2.0004555316141E+14
Altitude 18614216.661031

Triangular Pyramid

Length = n
Surface area 2.0004555316141E+14
Volume 1.1702432653724E+21
Height 10132296.173586