21080145 (number)

21080145 is an odd 8-digits composite number following 21080144 and preceding 21080146. In scientific notation, it is written as 2.1080145 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 11242736 positive integers (up to 21080145) that are relatively prime to 21080145.

Interesting facts

Basic properties

Name

Name twenty-one million eighty thousand one hundred forty-five

Notation

Scientific notation 2.1080145 × 10^7
Engineering notation 2.1080145 × 10^6

Prime Factorization of 21080145

Prime Factorization 5 × 3 × 1405343

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21080145
Product of the distinct prime numbers

The prime factorization of 21080145 is 5 × 3 × 1405343. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21080145)

Multiplication

n×y
n×2 42160290
n×3 63240435
n×4 84320580
n×5 105400725

Division

n÷y
n÷2 10540072.5
n÷3 7026715
n÷3 5270036.25
n÷5 4216029

Exponentiation

ny
n2 444372513221025
n3 9.3674370127136E+21
n4 1.9746693050637E+29
n5 4.1626315277792E+36

Nth Root

y√n
2√n 4591.3119040205
3√n 276.24294666102
4√n 67.759220066501
5√n 29.159140518572

Divisors of 21080145

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21080144
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21080145 can be divided by 8 positive divisors. The sum of these divisors (counting 21080145) is 1, the average is 0.125.

Base conversion 21080145

Base System Value
2 Binary 1010000011010100001010001
3 Ternary 1110122222112010
4 Quaternary 1100122201101
5 Quinary 20344031040
6 Senary 2031453133
8 Octal 120324121
10 Decimal 21080145
12 Duodecimal 70871a9
16 Hexadecimal 141a851
20 Vigesimal 6bf075
36 Base36 cjtjl

Cryptographic Hash Functions

md5 071aa9d064b695958d62b3109eb2f331
sha1 1477d3fdf554e18969d0eda49051452f641b19f6
sha256 92c3678ee5518e2810283a10d90fe705c693dad7027d44b320e31e2df52072ee
sha512 d0067d467196f0bd7add9c23f46ed6d9440c704d1d298c0af4272226dcf6bc1adf4d1493efda0371b012e765555c0b6fc491c92b87711484b03d01cd534916c0
ripemd-160 09da143a8f8e3bb4a865e0ac3e5bf65efd693174

21080145 as geometric shapes

Circle

Radius = n
Diameter 42160290
Circumference 132450457.33722
Area 1.3960374229924E+15

Sphere

Radius = n
Volume 3.9238228402808E+22
Surface area 5.5841496919696E+15
Circumference 132450457.33722

Square

Length = n
Perimeter 84320580
Area 444372513221025
Diagonal 29811826.955791

Cube

Length = n
Surface area 2666235079326150
Volume 9.3674370127136E+21
Space diagonal 36511882.170919

Equilateral Triangle

Length = n
Perimeter 63240435
Area 1.9241894259647E+14
Altitude 18255941.08546

Triangular Pyramid

Length = n
Surface area 1.9241894259647E+14
Volume 1.1039630390046E+21
Height 9937275.6519305