21031869 (number)

21031869 is an odd 8-digits composite number following 21031868 and preceding 21031870. In scientific notation, it is written as 2.1031869 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 13985136 positive integers (up to 21031869) that are relatively prime to 21031869.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand eight hundred sixty-nine

Notation

Scientific notation 2.1031869 × 10^7
Engineering notation 2.1031869 × 10^6

Prime Factorization of 21031869

Prime Factorization 3 × 397 × 17659

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21031869
Product of the distinct prime numbers

The prime factorization of 21031869 is 3 × 397 × 17659. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21031869)

Multiplication

n×y
n×2 42063738
n×3 63095607
n×4 84127476
n×5 105159345

Division

n÷y
n÷2 10515934.5
n÷3 7010623
n÷3 5257967.25
n÷5 4206373.8

Exponentiation

ny
n2 442339513633161
n3 9.3032267042564E+21
n4 1.9566424532122E+29
n5 4.1151847755798E+36

Nth Root

y√n
2√n 4586.0515697057
3√n 276.03190924918
4√n 67.720392569046
5√n 29.145772698291

Divisors of 21031869

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 -21031868
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 21031869 can be divided by 8 positive divisors. The sum of these divisors (counting 21031869) is 1, the average is 0.125.

Base conversion 21031869

Base System Value
2 Binary 1010000001110101110111101
3 Ternary 1110120112022010
4 Quaternary 1100032232331
5 Quinary 20341004434
6 Senary 2030441433
8 Octal 120165675
10 Decimal 21031869
12 Duodecimal 7063279
16 Hexadecimal 140ebbd
20 Vigesimal 6b8jd9
36 Base36 cisal

Cryptographic Hash Functions

md5 d874a97c83cb4570a688105d0ad6655a
sha1 1cc18d99aade952d6633d7fea165870ce58fe027
sha256 ec62624549d49f04eaa40e68a5d2ef447ad38a19949775812e735d9c584aae7b
sha512 d13aebb2c5e3dba85ee2cd0a2b200c5e7cf265bb3a83c060a47d73158be9e8d74c692d0b893d561f4ce4746a3cd3d3403fdb3edabe540357ee50869648df8ee3
ripemd-160 136dada63bd75c712be9fbbee25d531146904081

21031869 as geometric shapes

Circle

Radius = n
Diameter 42063738
Circumference 132147130.28333
Area 1.3896505664224E+15

Sphere

Radius = n
Volume 3.8969264891696E+22
Surface area 5.5586022656897E+15
Circumference 132147130.28333

Square

Length = n
Perimeter 84127476
Area 442339513633161
Diagonal 29743554.381854

Cube

Length = n
Surface area 2654037081798966
Volume 9.3032267042564E+21
Space diagonal 36428265.686133

Equilateral Triangle

Length = n
Perimeter 63095607
Area 1.9153862795199E+14
Altitude 18214132.843066

Triangular Pyramid

Length = n
Surface area 1.9153862795199E+14
Volume 1.0963957815826E+21
Height 9914518.1272848