21494845 (number)

21494845 is an odd 8-digits composite number following 21494844 and preceding 21494846. In scientific notation, it is written as 2.1494845 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 17165376 positive integers (up to 21494845) that are relatively prime to 21494845.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-four thousand eight hundred forty-five

Notation

Scientific notation 2.1494845 × 10^7
Engineering notation 2.1494845 × 10^6

Prime Factorization of 21494845

Prime Factorization 3065 × 7013

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21494845
Product of the distinct prime numbers

The prime factorization of 21494845 is 3065 × 7013. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21494845)

Multiplication

n×y
n×2 42989690
n×3 64484535
n×4 85979380
n×5 107474225

Division

n÷y
n÷2 10747422.5
n÷3 7164948.3333333
n÷3 5373711.25
n÷5 4298969

Exponentiation

ny
n2 462028361574025
n3 9.9312280176376E+21
n4 2.1347020689878E+29
n5 4.5885090094072E+36

Nth Root

y√n
2√n 4636.2533364776
3√n 278.04266291401
4√n 68.090038452608
5√n 29.272975115286

Divisors of 21494845

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 -21494844
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 21494845 can be divided by 4 positive divisors. The sum of these divisors (counting 21494845) is 1, the average is 0.25.

Base conversion 21494845

Base System Value
2 Binary 1010001111111110000111101
3 Ternary 1111110001101101
4 Quaternary 1101333300331
5 Quinary 21000313340
6 Senary 2044413101
8 Octal 121776075
10 Decimal 21494845
12 Duodecimal 7247191
16 Hexadecimal 147fc3d
20 Vigesimal 6e6h25
36 Base36 cspj1

Cryptographic Hash Functions

md5 1655b8506a994901626aa0b6bbe6c335
sha1 6a5ea0f170319a211663f2438ff24adeea23df6e
sha256 4863736256eb0a61bc73b379179a918c1198d7f9fce6ca33049f949bf07c76fa
sha512 9f19502e67a0058bc260f59fab58a1c8a8bbd2152d932e808be6b90702503cd70c3a11afd4db88883781ec8c676884f26e16e97d8c76e89eab60b22b12a8c61b
ripemd-160 368d02a8576176a27e8fd81fb72b0074fc17a738

21494845 as geometric shapes

Circle

Radius = n
Diameter 42989690
Circumference 135056094.2841
Area 1.4515049064711E+15

Sphere

Radius = n
Volume 4.1599830641781E+22
Surface area 5.8060196258843E+15
Circumference 135056094.2841

Square

Length = n
Perimeter 85979380
Area 462028361574025
Diagonal 30398301.320108

Cube

Length = n
Surface area 2772170169444150
Volume 9.9312280176376E+21
Space diagonal 37230163.640818

Equilateral Triangle

Length = n
Perimeter 64484535
Area 2.00064149196E+14
Altitude 18615081.820409

Triangular Pyramid

Length = n
Surface area 2.00064149196E+14
Volume 1.1704064461302E+21
Height 10132767.106703