20731949 (number)

20731949 is an odd 8-digits composite number following 20731948 and preceding 20731950. In scientific notation, it is written as 2.0731949 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 8 positive divisors. There are 17769948 positive integers (up to 20731949) that are relatively prime to 20731949.

Interesting facts

Basic properties

Name

Name twenty million seven hundred thirty-one thousand nine hundred forty-nine

Notation

Scientific notation 2.0731949 × 10^7
Engineering notation 2.0731949 × 10^6

Prime Factorization of 20731949

Prime Factorization 7 × 7 × 7 × 60443

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 423101
Product of the distinct prime numbers

The prime factorization of 20731949 is 7 × 7 × 7 × 60443. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20731949)

Multiplication

n×y
n×2 41463898
n×3 62195847
n×4 82927796
n×5 103659745

Division

n÷y
n÷2 10365974.5
n÷3 6910649.6666667
n÷3 5182987.25
n÷5 4146389.8

Exponentiation

ny
n2 429813709338601
n3 8.9108759015087E+21
n4 1.8473982473541E+29
n5 3.8300166246834E+36

Nth Root

y√n
2√n 4553.2350038187
3√n 274.71352647126
4√n 67.47766299909
5√n 29.062169163599

Divisors of 20731949

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 -20731948
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 20731949 can be divided by 8 positive divisors. The sum of these divisors (counting 20731949) is 1, the average is 0.125.

Base conversion 20731949

Base System Value
2 Binary 1001111000101100000101101
3 Ternary 1110000021212222
4 Quaternary 1033011200231
5 Quinary 20301410244
6 Senary 2020205125
8 Octal 117054055
10 Decimal 20731949
12 Duodecimal 6b397a5
16 Hexadecimal 13c582d
20 Vigesimal 69b9h9
36 Base36 cccvh

Cryptographic Hash Functions

md5 1b6844ca969f44e165e32a75712d976d
sha1 2cda0d0c650bfdfccf4883f1e46bfe7c9838e428
sha256 a610eeeda45d4431188bd7f9d6296bb0cb13e7704f9362822df1d0acd28115d7
sha512 e847c1080d46ae55a10f76cd79a91cb84bfd222086fe1b6b0ddf986fd388e14d1f0f73468df50f8533db29a8319212409d76517582148af53abd2f4d5a88b60b
ripemd-160 99d3c6d9d28fef68c5baf05a6a21f5b673f04506

20731949 as geometric shapes

Circle

Radius = n
Diameter 41463898
Circumference 130262677.346
Area 1.3502995916703E+15

Sphere

Radius = n
Volume 3.7325789692307E+22
Surface area 5.4011983666813E+15
Circumference 130262677.346

Square

Length = n
Perimeter 82927796
Area 429813709338601
Diagonal 29319403.450227

Cube

Length = n
Surface area 2578882256031606
Volume 8.9108759015087E+21
Space diagonal 35908789.007927

Equilateral Triangle

Length = n
Perimeter 62195847
Area 1.8611479559102E+14
Altitude 17954394.503963

Triangular Pyramid

Length = n
Surface area 1.8611479559102E+14
Volume 1.0501567960448E+21
Height 9773134.4834091