21031867 (number)

21031867 is an odd 8-digits composite number following 21031866 and preceding 21031868. In scientific notation, it is written as 2.1031867 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 20117416 positive integers (up to 21031867) that are relatively prime to 21031867.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1031867 × 10^7
Engineering notation 2.1031867 × 10^6

Prime Factorization of 21031867

Prime Factorization 23 × 914429

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21031867
Product of the distinct prime numbers

The prime factorization of 21031867 is 23 × 914429. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21031867)

Multiplication

n×y
n×2 42063734
n×3 63095601
n×4 84127468
n×5 105159335

Division

n÷y
n÷2 10515933.5
n÷3 7010622.3333333
n÷3 5257966.75
n÷5 4206373.4

Exponentiation

ny
n2 442339429505689
n3 9.3032240502195E+21
n4 1.9566417089542E+29
n5 4.1151828189377E+36

Nth Root

y√n
2√n 4586.0513516532
3√n 276.03190049955
4√n 67.720390959099
5√n 29.145772143975

Divisors of 21031867

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 -21031866
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 21031867 can be divided by 4 positive divisors. The sum of these divisors (counting 21031867) is 1, the average is 0.25.

Base conversion 21031867

Base System Value
2 Binary 1010000001110101110111011
3 Ternary 1110120112022001
4 Quaternary 1100032232323
5 Quinary 20341004432
6 Senary 2030441431
8 Octal 120165673
10 Decimal 21031867
12 Duodecimal 7063277
16 Hexadecimal 140ebbb
20 Vigesimal 6b8jd7
36 Base36 cisaj

Cryptographic Hash Functions

md5 aef00d27b5fb924c06b4b4d86eae2472
sha1 a9cbac2bacfeb4a53e7e3bbe5d91cd6367fbb697
sha256 dafba261e7067311b6b09c0ae2a0727fc3f9634b2335b4bab1719946d0da525a
sha512 cd7f557d6c95d582a36f515ae9d6c602da00ff849f1ffcb60677e0ae85ff8a1e6c2b224d3b2f6af1a666737b692a7953da92bb834b94c91615e3addff7bfb97b
ripemd-160 f39b2f0f4ab4e1e5b34d480f4c944d687dad5b10

21031867 as geometric shapes

Circle

Radius = n
Diameter 42063734
Circumference 132147117.71696
Area 1.3896503021282E+15

Sphere

Radius = n
Volume 3.8969253774493E+22
Surface area 5.5586012085127E+15
Circumference 132147117.71696

Square

Length = n
Perimeter 84127468
Area 442339429505689
Diagonal 29743551.553427

Cube

Length = n
Surface area 2654036577034134
Volume 9.3032240502195E+21
Space diagonal 36428262.222031

Equilateral Triangle

Length = n
Perimeter 63095601
Area 1.9153859152372E+14
Altitude 18214131.111016

Triangular Pyramid

Length = n
Surface area 1.9153859152372E+14
Volume 1.0963954688013E+21
Height 9914517.1844757