21431189 (number)

21431189 is an odd 8-digits composite number following 21431188 and preceding 21431190. In scientific notation, it is written as 2.1431189 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 19782624 positive integers (up to 21431189) that are relatively prime to 21431189.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1431189 × 10^7
Engineering notation 2.1431189 × 10^6

Prime Factorization of 21431189

Prime Factorization 13 × 1648553

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21431189
Product of the distinct prime numbers

The prime factorization of 21431189 is 13 × 1648553. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21431189)

Multiplication

n×y
n×2 42862378
n×3 64293567
n×4 85724756
n×5 107155945

Division

n÷y
n÷2 10715594.5
n÷3 7143729.6666667
n÷3 5357797.25
n÷5 4286237.8

Exponentiation

ny
n2 459295861953721
n3 9.8432564244481E+21
n4 2.1095268880781E+29
n5 4.5209669438984E+36

Nth Root

y√n
2√n 4629.3832202573
3√n 277.76792131545
4√n 68.039570988193
5√n 29.25561642501

Divisors of 21431189

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 -21431188
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 21431189 can be divided by 4 positive divisors. The sum of these divisors (counting 21431189) is 1, the average is 0.25.

Base conversion 21431189

Base System Value
2 Binary 1010001110000001110010101
3 Ternary 1111022211001202
4 Quaternary 1101300032111
5 Quinary 20441244224
6 Senary 2043202245
8 Octal 121601625
10 Decimal 21431189
12 Duodecimal 7216385
16 Hexadecimal 1470395
20 Vigesimal 6dihj9
36 Base36 crcet

Cryptographic Hash Functions

md5 0a3614fe0d80aed648a5049f8ffa7dfb
sha1 5039983dbd447e4fabd63e319a1f2259dde1bbea
sha256 c3aae1703b3b84c16f5dc56110bb5126787c8ab2e75215649a1b6917ed5dc21a
sha512 178035beb8f1e11ae0bc3ad594e8a160d00b0b47686ab0cbad9d688321cdf8742857fd4cb3e812f0c2a587ec37502336392e95b87277c850978de02a630a90a7
ripemd-160 55a72452b81458a744a161bf5ec98adf791f56b4

21431189 as geometric shapes

Circle

Radius = n
Diameter 42862378
Circumference 134656131.84019
Area 1.442920505738E+15

Sphere

Radius = n
Volume 4.1231336093929E+22
Surface area 5.771682022952E+15
Circumference 134656131.84019

Square

Length = n
Perimeter 85724756
Area 459295861953721
Diagonal 30308278.141581

Cube

Length = n
Surface area 2755775171722326
Volume 9.8432564244481E+21
Space diagonal 37119908.214611

Equilateral Triangle

Length = n
Perimeter 64293567
Area 1.988809421525E+14
Altitude 18559954.107306

Triangular Pyramid

Length = n
Surface area 1.988809421525E+14
Volume 1.1600388944476E+21
Height 10102759.380527