21131689 (number)

21131689 is an odd 8-digits prime number following 21131688 and preceding 21131690. In scientific notation, it is written as 2.1131689 × 10^7. The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors. There are 21131688 positive integers (up to 21131689) that are relatively prime to 21131689.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred thirty-one thousand six hundred eighty-nine

Notation

Scientific notation 2.1131689 × 10^7
Engineering notation 2.1131689 × 10^6

Prime Factorization of 21131689

Prime Factorization 21131689

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 21131689
Product of the distinct prime numbers

The prime factorization of 21131689 is 21131689. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21131689)

Multiplication

n×y
n×2 42263378
n×3 63395067
n×4 84526756
n×5 105658445

Division

n÷y
n÷2 10565844.5
n÷3 7043896.3333333
n÷3 5282922.25
n÷5 4226337.8

Exponentiation

ny
n2 446548279992721
n3 9.4363193762911E+21
n4 1.9940536636446E+29
n5 4.2137721869448E+36

Nth Root

y√n
2√n 4596.9216873904
3√n 276.46791470533
4√n 67.800602411707
5√n 29.17338625447

Divisors of 21131689

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 21131690
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10565845
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4596.9217961588
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999053554
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21131689 can be divided by 2 positive divisors. The sum of these divisors (counting 21131689) is 21131690, the average is 10565845.

Base conversion 21131689

Base System Value
2 Binary 1010000100111000110101001
3 Ternary 1110202121020011
4 Quaternary 1100213012221
5 Quinary 20402203224
6 Senary 2032531521
8 Octal 120470651
10 Decimal 21131689
12 Duodecimal 70b0ba1
16 Hexadecimal 14271a9
20 Vigesimal 6c1949
36 Base36 ckxbd

Cryptographic Hash Functions

md5 7a0a93425d06681a72baa9ceac5c4109
sha1 80c3f389534707dbd70f337fe0e1aee2838e3c26
sha256 3f3fbc5015d1f2ebe1cbb6a342da0d7befa781ee11f0cfbe9190164473e40517
sha512 2cd5ff6a20e0fdef7c92160c56b4fb6624775dd065543bcd505abfd1a8b419602e0ffc72ca0059d500b70063e57083ace5d15b5ede37bd4b3b69292855c3d988
ripemd-160 5604251a167dab3eb7c76bdb9b559e7b77421601

21131689 as geometric shapes

Circle

Radius = n
Diameter 42263378
Circumference 132774317.84069
Area 1.4028727958983E+15

Sphere

Radius = n
Volume 3.9526762172644E+22
Surface area 5.6114911835932E+15
Circumference 132774317.84069

Square

Length = n
Perimeter 84526756
Area 446548279992721
Diagonal 29884721.17965

Cube

Length = n
Surface area 2679289679956326
Volume 9.4363193762911E+21
Space diagonal 36601158.997744

Equilateral Triangle

Length = n
Perimeter 63395067
Area 1.9336107724497E+14
Altitude 18300579.498872

Triangular Pyramid

Length = n
Surface area 1.9336107724497E+14
Volume 1.1120809034029E+21
Height 9961573.7265501