19431391 (number)

19431391 is an odd 8-digits composite number following 19431390 and preceding 19431392. In scientific notation, it is written as 1.9431391 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors. There are 15675072 positive integers (up to 19431391) that are relatively prime to 19431391.

Interesting facts

Basic properties

Name

Name nineteen million four hundred thirty-one thousand three hundred ninety-one

Notation

Scientific notation 1.9431391 × 10^7
Engineering notation 1.9431391 × 10^6

Prime Factorization of 19431391

Prime Factorization 7 × 7 × 17 × 23327

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 2775913
Product of the distinct prime numbers

The prime factorization of 19431391 is 7 × 7 × 17 × 23327. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 9, 35, 15, 134, 806, 7467, 3413, 68451, 94538, 68102, 805264, 2848192, 7965993, 52941099, 26884307, 218428502, 853403549, 5160081950, 1755890791

Basic calculations (n = 19431391)

Multiplication

n×y
n×2 38862782
n×3 58294173
n×4 77725564
n×5 97156955

Division

n÷y
n÷2 9715695.5
n÷3 6477130.3333333
n÷3 4857847.75
n÷5 3886278.2

Exponentiation

ny
n2 377578956194881
n3 7.3368843311946E+21
n4 1.4256586816122E+29
n5 2.770253127495E+36

Nth Root

y√n
2√n 4408.1051484737
3√n 268.84458714942
4√n 66.393562552959
5√n 28.688033420401

Divisors of 19431391

1, 7, 17, 49, 119, 833, 23327, 163289, 396559, 1143023, 2775913, 19431391

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -19431390
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19431391 can be divided by 12 positive divisors. The sum of these divisors (counting 19431391) is 1, the average is 0.083333333333333.

Base conversion 19431391

Base System Value
2 Binary 1001010000111111111011111
3 Ternary 1100120012212011
4 Quaternary 1022013333133
5 Quinary 14433301031
6 Senary 1532252051
8 Octal 112077737
10 Decimal 19431391
12 Duodecimal 6611027
16 Hexadecimal 1287fdf
20 Vigesimal 618i9b
36 Base36 bkhcv

Cryptographic Hash Functions

md5 62acc71cdc1bccd2d8bf3196696fb4f1
sha1 dba0c72275761e2bc9093b5fffe7452a666ab503
sha256 3e4e39b731fe7cad4bf0d63c736fcf0f2ceaff21150bf427e65819e28dd0100d
sha512 520c4b485dab9520d02b22a0f617546e463128004ae40a302defc71cba8caf4c8bb78efa6c197eae3f830693d039635f39a46a4f96f74a089a313134115412dd
ripemd-160 a804b10a7b3a9f8f5d862a7c6f1cfda400847a15

19431391 as geometric shapes

Circle

Radius = n
Diameter 38862782
Circumference 122091030.42926
Area 1.1861992749319E+15

Sphere

Radius = n
Volume 3.0732669220159E+22
Surface area 4.7447970997278E+15
Circumference 122091030.42926

Square

Length = n
Perimeter 77725564
Area 377578956194881
Diagonal 27480136.687975

Cube

Length = n
Surface area 2265473737169286
Volume 7.3368843311946E+21
Space diagonal 33656156.473737

Equilateral Triangle

Length = n
Perimeter 58294173
Area 1.6349648399959E+14
Altitude 16828078.236868

Triangular Pyramid

Length = n
Surface area 1.6349648399959E+14
Volume 8.6466011056151E+20
Height 9160045.5626582