21931187 (number)

21931187 is an odd 8-digits composite number following 21931186 and preceding 21931188. In scientific notation, it is written as 2.1931187 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 19805760 positive integers (up to 21931187) that are relatively prime to 21931187.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1931187 × 10^7
Engineering notation 2.1931187 × 10^6

Prime Factorization of 21931187

Prime Factorization 19 × 41 × 47 × 599

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21931187
Product of the distinct prime numbers

The prime factorization of 21931187 is 19 × 41 × 47 × 599. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21931187)

Multiplication

n×y
n×2 43862374
n×3 65793561
n×4 87724748
n×5 109655935

Division

n÷y
n÷2 10965593.5
n÷3 7310395.6666667
n÷3 5482796.75
n÷5 4386237.4

Exponentiation

ny
n2 480976963228969
n3 1.0548395723267E+22
n4 2.3133883915696E+29
n5 5.0735353419142E+36

Nth Root

y√n
2√n 4683.0745242842
3√n 279.91148137259
4√n 68.432992951384
5√n 29.390869037189

Divisors of 21931187

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21931186
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21931187 can be divided by 16 positive divisors. The sum of these divisors (counting 21931187) is 1, the average is 0.0625.

Base conversion 21931187

Base System Value
2 Binary 1010011101010010010110011
3 Ternary 1112021012221012
4 Quaternary 1103222102303
5 Quinary 21103244222
6 Senary 2102021135
8 Octal 123522263
10 Decimal 21931187
12 Duodecimal 74177ab
16 Hexadecimal 14ea4b3
20 Vigesimal 6h17j7
36 Base36 d227n

Cryptographic Hash Functions

md5 d3e1f246a60c0a55c2ec3cf7465f04ec
sha1 ad9f61c77883143dc5b6d529231ce209c0879456
sha256 2950e0c8f3a9a28c73f168d7500b87d734033ba94ea66d570a80e6f937c23f3b
sha512 02df45d6e7441a5eb9e1f65fe26789ee0a27e08304bde99d41a0f063599763848c21d2e432a941c0e2fc497de05c304ec3b911d171a7be8861332fa20c5a60d2
ripemd-160 c0140d6f1911729a067cca9dd9135f80ffd6c3fd

21931187 as geometric shapes

Circle

Radius = n
Diameter 43862374
Circumference 137797711.92741
Area 1.5110336942261E+15

Sphere

Radius = n
Volume 4.418501668183E+22
Surface area 6.0441347769042E+15
Circumference 137797711.92741

Square

Length = n
Perimeter 87724748
Area 480976963228969
Diagonal 31015382.094341

Cube

Length = n
Surface area 2885861779373814
Volume 1.0548395723267E+22
Space diagonal 37985930.154294

Equilateral Triangle

Length = n
Perimeter 65793561
Area 2.0826913439569E+14
Altitude 18992965.077147

Triangular Pyramid

Length = n
Surface area 2.0826913439569E+14
Volume 1.2431403577602E+21
Height 10338460.698114