20931489 (number)

20931489 is an odd 8-digits composite number following 20931488 and preceding 20931490. In scientific notation, it is written as 2.0931489 × 10^7. The sum of its digits is 36. It has a total of 2 prime factors and 4 positive divisors. There are 13717464 positive integers (up to 20931489) that are relatively prime to 20931489.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0931489 × 10^7
Engineering notation 2.0931489 × 10^6

Prime Factorization of 20931489

Prime Factorization 531 × 39419

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20931489
Product of the distinct prime numbers

The prime factorization of 20931489 is 531 × 39419. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20931489)

Multiplication

n×y
n×2 41862978
n×3 62794467
n×4 83725956
n×5 104657445

Division

n÷y
n÷2 10465744.5
n÷3 6977163
n÷3 5232872.25
n÷5 4186297.8

Exponentiation

ny
n2 438127231757121
n3 9.1706553321246E+21
n4 1.9195547120716E+29
n5 4.0179138340624E+36

Nth Root

y√n
2√n 4575.0944252551
3√n 275.59206433855
4√n 67.639444300312
5√n 29.117898294135

Divisors of 20931489

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 -20931488
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 20931489 can be divided by 4 positive divisors. The sum of these divisors (counting 20931489) is 1, the average is 0.25.

Base conversion 20931489

Base System Value
2 Binary 1001111110110001110100001
3 Ternary 1110101102121100
4 Quaternary 1033312032201
5 Quinary 20324301424
6 Senary 2024345013
8 Octal 117661641
10 Decimal 20931489
12 Duodecimal 7015169
16 Hexadecimal 13f63a1
20 Vigesimal 6ag8e9
36 Base36 cgmu9

Cryptographic Hash Functions

md5 0c1338c8d85045106040172a9064a594
sha1 a90d776d00e2f82b322a2d7157c318c727ef39fa
sha256 3122940fd6b34acb20798ad49391d4b68ba4b475774bdfe09af732b9a7b2fa44
sha512 2b5b10cec9f9a910580567729aecf2128b899c9924d86389d61cd82c1986c2a4f88d2f195dd23c36751ae935133c8ff8d01b79003a1878883309669b3e08dedd
ripemd-160 64c66d2f29d80442d4375c906518f38cf359ae4b

20931489 as geometric shapes

Circle

Radius = n
Diameter 41862978
Circumference 131516424.14219
Area 1.3764172926258E+15

Sphere

Radius = n
Volume 3.8413951226676E+22
Surface area 5.5056691705032E+15
Circumference 131516424.14219

Square

Length = n
Perimeter 83725956
Area 438127231757121
Diagonal 29601595.624463

Cube

Length = n
Surface area 2628763390542726
Volume 9.1706553321246E+21
Space diagonal 36254402.426069

Equilateral Triangle

Length = n
Perimeter 62794467
Area 1.8971465639571E+14
Altitude 18127201.213035

Triangular Pyramid

Length = n
Surface area 1.8971465639571E+14
Volume 1.080772095545E+21
Height 9867198.5414878