21431185 (number)

21431185 is an odd 8-digits composite number following 21431184 and preceding 21431186. In scientific notation, it is written as 2.1431185 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 17144944 positive integers (up to 21431185) that are relatively prime to 21431185.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred thirty-one thousand one hundred eighty-five

Notation

Scientific notation 2.1431185 × 10^7
Engineering notation 2.1431185 × 10^6

Prime Factorization of 21431185

Prime Factorization 5 × 4286237

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21431185
Product of the distinct prime numbers

The prime factorization of 21431185 is 5 × 4286237. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21431185)

Multiplication

n×y
n×2 42862370
n×3 64293555
n×4 85724740
n×5 107155925

Division

n÷y
n÷2 10715592.5
n÷3 7143728.3333333
n÷3 5357796.25
n÷5 4286237

Exponentiation

ny
n2 459295690504225
n3 9.8432509128988E+21
n4 2.1095253131575E+29
n5 4.5209627248462E+36

Nth Root

y√n
2√n 4629.3827882343
3√n 277.76790403422
4√n 68.0395678134
5√n 29.255615332934

Divisors of 21431185

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 -21431184
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 21431185 can be divided by 4 positive divisors. The sum of these divisors (counting 21431185) is 1, the average is 0.25.

Base conversion 21431185

Base System Value
2 Binary 1010001110000001110010001
3 Ternary 1111022211001121
4 Quaternary 1101300032101
5 Quinary 20441244220
6 Senary 2043202241
8 Octal 121601621
10 Decimal 21431185
12 Duodecimal 7216381
16 Hexadecimal 1470391
20 Vigesimal 6dihj5
36 Base36 crcep

Cryptographic Hash Functions

md5 32c6ed1fbe022214e021cc93cd9143e2
sha1 44248b9a70b4661b8e6b9d93fe1abc0aaa6a6cc2
sha256 657a70fd2a4f57be247fc1ab31593661fe6cca37155c01af0e5473b47cacba2d
sha512 2b0833dabcd8dace563ac536c58a9692804431ebe2990ca144db42c3a234c8134a8f7c95436efd5fa605ce66fe343d81c941c4d6f0ec4df34dd9730aec799484
ripemd-160 51a8197e54563868676f431ff8472bc74faf5ddb

21431185 as geometric shapes

Circle

Radius = n
Diameter 42862370
Circumference 134656106.70745
Area 1.4429199671135E+15

Sphere

Radius = n
Volume 4.1231313007205E+22
Surface area 5.7716798684541E+15
Circumference 134656106.70745

Square

Length = n
Perimeter 85724740
Area 459295690504225
Diagonal 30308272.484727

Cube

Length = n
Surface area 2755774143025350
Volume 9.8432509128988E+21
Space diagonal 37119901.286408

Equilateral Triangle

Length = n
Perimeter 64293555
Area 1.9888086791269E+14
Altitude 18559950.643204

Triangular Pyramid

Length = n
Surface area 1.9888086791269E+14
Volume 1.1600382449052E+21
Height 10102757.494909