19931491 (number)

19931491 is an odd 8-digits composite number following 19931490 and preceding 19931492. In scientific notation, it is written as 1.9931491 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 19919632 positive integers (up to 19931491) that are relatively prime to 19931491.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.9931491 × 10^7
Engineering notation 1.9931491 × 10^6

Prime Factorization of 19931491

Prime Factorization 2027 × 9833

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 19931491
Product of the distinct prime numbers

The prime factorization of 19931491 is 2027 × 9833. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19931491)

Multiplication

n×y
n×2 39862982
n×3 59794473
n×4 79725964
n×5 99657455

Division

n÷y
n÷2 9965745.5
n÷3 6643830.3333333
n÷3 4982872.75
n÷5 3986298.2

Exponentiation

ny
n2 397264333483081
n3 7.918070487439E+21
n4 1.5781895065776E+29
n5 3.1455669946645E+36

Nth Root

y√n
2√n 4464.4698453456
3√n 271.13147036607
4√n 66.816688374579
5√n 28.834203391622

Divisors of 19931491

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 -19931490
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 19931491 can be divided by 4 positive divisors. The sum of these divisors (counting 19931491) is 1, the average is 0.25.

Base conversion 19931491

Base System Value
2 Binary 1001100000010000101100011
3 Ternary 1101111121212101
4 Quaternary 1030002011203
5 Quinary 20100301431
6 Senary 1551111231
8 Octal 114020543
10 Decimal 19931491
12 Duodecimal 6812517
16 Hexadecimal 1302163
20 Vigesimal 64b8eb
36 Base36 bv78j

Cryptographic Hash Functions

md5 387b8d1899164e13cb9155f15e7fbd0f
sha1 5c5b2b64cda75b20de10fd83fb03d60cf6f41c58
sha256 ccb907c9ae0e328ad03e1b028776b34b8e0cecd8b2d6a2175c4d00aea121196d
sha512 9e42638257a685033bd1d27fe1f85b2f3110b9ec9547c281f76f16af806a90729ec63f07803d643a3c449c8eff8a7635265d356f0f398f6eda5c48a86d8a6cca
ripemd-160 9a6dcbc67e0e1be00b613e8e0d51eb94b62facfc

19931491 as geometric shapes

Circle

Radius = n
Diameter 39862982
Circumference 125233251.40138
Area 1.2480427116037E+15

Sphere

Radius = n
Volume 3.3167136098593E+22
Surface area 4.9921708464148E+15
Circumference 125233251.40138

Square

Length = n
Perimeter 79725964
Area 397264333483081
Diagonal 28187384.890517

Cube

Length = n
Surface area 2383586000898486
Volume 7.918070487439E+21
Space diagonal 34522355.082602

Equilateral Triangle

Length = n
Perimeter 59794473
Area 1.7202050240692E+14
Altitude 17261177.541301

Triangular Pyramid

Length = n
Surface area 1.7202050240692E+14
Volume 9.331535559302E+20
Height 9395794.9635058