21431142 (number)

21431142 is an even 8-digits composite number following 21431141 and preceding 21431143. In scientific notation, it is written as 2.1431142 × 10^7. The sum of its digits is 18. It has a total of 6 prime factors and 28 positive divisors. There are 7143228 positive integers (up to 21431142) that are relatively prime to 21431142.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred thirty-one thousand one hundred forty-two

Notation

Scientific notation 2.1431142 × 10^7
Engineering notation 2.1431142 × 10^6

Prime Factorization of 21431142

Prime Factorization 2 × 3 × 27 × 3 × 3 × 14699

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2381238
Product of the distinct prime numbers

The prime factorization of 21431142 is 2 × 3 × 27 × 3 × 3 × 14699. Since it has a total of 6 prime factors.

Most popular turbo-numbers

3, 7, 22, 28, 957, 617, 8484, 7387, 40681, 49952, 401764, 811675, 9045319, 9398343, 96504400, 30459397, 58265534, 309719846, 9093099637, 4270416707

Basic calculations (n = 21431142)

Multiplication

n×y
n×2 42862284
n×3 64293426
n×4 85724568
n×5 107155710

Division

n÷y
n÷2 10715571
n÷3 7143714
n÷3 5357785.5
n÷5 4286228.4

Exponentiation

ny
n2 459293847424164
n3 9.8431916638736E+21
n4 2.1095083828169E+29
n5 4.520917370234E+36

Nth Root

y√n
2√n 4629.3781439844
3√n 277.76771826089
4√n 68.039533684354
5√n 29.255603593102

Divisors of 21431142

1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 729, 1458, 14699, 29398, 44097, 88194, 132291, 264582, 396873, 793746, 1190619, 2381238, 3571857, 7143714, 10715571, 21431142

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21431141
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21431142 can be divided by 28 positive divisors. The sum of these divisors (counting 21431142) is 1, the average is 0.035714285714286.

Base conversion 21431142

Base System Value
2 Binary 1010001110000001101100110
3 Ternary 1111022211000000
4 Quaternary 1101300031212
5 Quinary 20441244032
6 Senary 2043202130
8 Octal 121601546
10 Decimal 21431142
12 Duodecimal 7216346
16 Hexadecimal 1470366
20 Vigesimal 6dihh2
36 Base36 crcdi

Cryptographic Hash Functions

md5 6108d0b24f6e50afdab7b6ef0a283189
sha1 5087f24bb67941ea37464c1a0ffe422a7a348d34
sha256 296cc94ad719cd6f78974153c3c3ce1a7a21c21dd0386abb8313097d800b213f
sha512 7325624bc4d855181e7ee13c0c22288ffcd56d446b97b1c270d7703be16d31189539fd854326ca7d96a6fe43012cc51b721b7b46df110c08527f98e86d0d2acb
ripemd-160 01d3c23cc738f9d1d92078d75e2aa67c2f855778

21431142 as geometric shapes

Circle

Radius = n
Diameter 42862284
Circumference 134655836.53048
Area 1.4429141769067E+15

Sphere

Radius = n
Volume 4.1231064825469E+22
Surface area 5.771656707627E+15
Circumference 134655836.53048

Square

Length = n
Perimeter 85724568
Area 459293847424164
Diagonal 30308211.673544

Cube

Length = n
Surface area 2755763084544984
Volume 9.8431916638736E+21
Space diagonal 37119826.808223

Equilateral Triangle

Length = n
Perimeter 64293426
Area 1.9888006983561E+14
Altitude 18559913.404112

Triangular Pyramid

Length = n
Surface area 1.9888006983561E+14
Volume 1.1600312623407E+21
Height 10102737.224515