20931490 (number)

20931490 is an even 8-digits composite number following 20931489 and preceding 20931491. In scientific notation, it is written as 2.0931490 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 8372592 positive integers (up to 20931490) that are relatively prime to 20931490.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0931490 × 10^7
Engineering notation 2.0931490 × 10^6

Prime Factorization of 20931490

Prime Factorization 2 × 5 × 2093149

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20931490
Product of the distinct prime numbers

The prime factorization of 20931490 is 2 × 5 × 2093149. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20931490)

Multiplication

n×y
n×2 41862980
n×3 62794470
n×4 83725960
n×5 104657450

Division

n÷y
n÷2 10465745
n÷3 6977163.3333333
n÷3 5232872.5
n÷5 4186298

Exponentiation

ny
n2 438127273620100
n3 9.1706566465064E+21
n4 1.9195550788978E+29
n5 4.0179147938399E+36

Nth Root

y√n
2√n 4575.0945345424
3√n 275.59206872734
4√n 67.63944510818
5√n 29.117898572356

Divisors of 20931490

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20931489
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20931490 can be divided by 8 positive divisors. The sum of these divisors (counting 20931490) is 1, the average is 0.125.

Base conversion 20931490

Base System Value
2 Binary 1001111110110001110100010
3 Ternary 1110101102121101
4 Quaternary 1033312032202
5 Quinary 20324301430
6 Senary 2024345014
8 Octal 117661642
10 Decimal 20931490
12 Duodecimal 701516a
16 Hexadecimal 13f63a2
20 Vigesimal 6ag8ea
36 Base36 cgmua

Cryptographic Hash Functions

md5 ed3fad59e2c8171d74ae1e89e0aff373
sha1 dfcd9fe0bc960bf43a5d13d35568e7105f5f7ffa
sha256 338fcb6ba8e0cebbf6571023ff6ec42aa4424be7ec0eaf5c0d2433b0bceaf00d
sha512 fe351cfb775a5000b0e54d07029c1534aa2434291bedaf3758ac18a0e6bcc95e221f983f9bcea15c587c991f22197389b526241adccd84d7d855331f75e9ac74
ripemd-160 12bf56902bc89ab5da035cbfab1c350ff6c79b86

20931490 as geometric shapes

Circle

Radius = n
Diameter 41862980
Circumference 131516430.42538
Area 1.3764174241422E+15

Sphere

Radius = n
Volume 3.8413956732345E+22
Surface area 5.5056696965689E+15
Circumference 131516430.42538

Square

Length = n
Perimeter 83725960
Area 438127273620100
Diagonal 29601597.038677

Cube

Length = n
Surface area 2628763641720600
Volume 9.1706566465064E+21
Space diagonal 36254404.15812

Equilateral Triangle

Length = n
Perimeter 62794470
Area 1.8971467452291E+14
Altitude 18127202.07906

Triangular Pyramid

Length = n
Surface area 1.8971467452291E+14
Volume 1.0807722504464E+21
Height 9867199.0128923