20531490 (number)

20531490 is an even 8-digits composite number following 20531489 and preceding 20531491. In scientific notation, it is written as 2.0531490 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 4692576 positive integers (up to 20531490) that are relatively prime to 20531490.

Interesting facts

Basic properties

Name

Name twenty million five hundred thirty-one thousand four hundred ninety

Notation

Scientific notation 2.0531490 × 10^7
Engineering notation 2.0531490 × 10^6

Prime Factorization of 20531490

Prime Factorization 2 × 105 × 7 × 13967

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20531490
Product of the distinct prime numbers

The prime factorization of 20531490 is 2 × 105 × 7 × 13967. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 8, 73, 74, 876, 369, 5247, 1876, 77067, 68573, 922270, 780021, 1685053, 8956501, 42566419, 78983509, 566634613, 497739571, 6171844346, 5842454917

Basic calculations (n = 20531490)

Multiplication

n×y
n×2 41062980
n×3 61594470
n×4 82125960
n×5 102657450

Division

n÷y
n÷2 10265745
n÷3 6843830
n÷3 5132872.5
n÷5 4106298

Exponentiation

ny
n2 421542081620100
n3 8.6548870333623E+21
n4 1.7769772657661E+29
n5 3.6483990962303E+36

Nth Root

y√n
2√n 4531.168723409
3√n 273.82524776146
4√n 67.313956379112
5√n 29.005749606138

Divisors of 20531490

1, 2, 7, 14, 105, 210, 735, 1470, 13967, 27934, 97769, 195538, 1466535, 2933070, 10265745, 20531490

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20531489
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20531490 can be divided by 16 positive divisors. The sum of these divisors (counting 20531490) is 1, the average is 0.0625.

Base conversion 20531490

Base System Value
2 Binary 1001110010100100100100010
3 Ternary 1102122002220120
4 Quaternary 1032110210202
5 Quinary 20224001430
6 Senary 2012021110
8 Octal 116244442
10 Decimal 20531490
12 Duodecimal 6a61796
16 Hexadecimal 1394922
20 Vigesimal 6868ea
36 Base36 c8276

Cryptographic Hash Functions

md5 e5d7baa26655dd7fa14b72e280257280
sha1 2982c2280c18d357f15bfd917c52ed4c751a1d97
sha256 a9b7830c6917a384ae90a7a657f21b806a4c94131518dcd7699b093b9def580d
sha512 fb76af23efbca7fce4c6a5a03425fca630fca8187af0aec9865a534bf9fa98ffc7cd258aee4a646143c1dbd715984cbb5d00237c9f9eef12b33b594377fd17a6
ripemd-160 c9b5603066576b50ba2e1d719867da3851fe8376

20531490 as geometric shapes

Circle

Radius = n
Diameter 41062980
Circumference 129003156.3025
Area 1.3243135067967E+15

Sphere

Radius = n
Volume 3.6253506028881E+22
Surface area 5.2972540271866E+15
Circumference 129003156.3025

Square

Length = n
Perimeter 82125960
Area 421542081620100
Diagonal 29035911.613728

Cube

Length = n
Surface area 2529252489720600
Volume 8.6548870333623E+21
Space diagonal 35561583.835092

Equilateral Triangle

Length = n
Perimeter 61594470
Area 1.8253307572359E+14
Altitude 17780791.917546

Triangular Pyramid

Length = n
Surface area 1.8253307572359E+14
Volume 1.0199882186157E+21
Height 9678637.2045759