20747991 (number)

20747991 is an odd 8-digits composite number following 20747990 and preceding 20747992. In scientific notation, it is written as 2.0747991 × 10^7. The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors. There are 12355200 positive integers (up to 20747991) that are relatively prime to 20747991.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0747991 × 10^7
Engineering notation 2.0747991 × 10^6

Prime Factorization of 20747991

Prime Factorization 3 × 11 × 11 × 61 × 937

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 1886181
Product of the distinct prime numbers

The prime factorization of 20747991 is 3 × 11 × 11 × 61 × 937. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 6, 53, 47, 832, 808, 6790, 1181, 54643, 79708, 168493, 562191, 3815333, 6308099, 81597334, 66005428, 679611329, 627059814, 5916931369, 1204489570

Basic calculations (n = 20747991)

Multiplication

n×y
n×2 41495982
n×3 62243973
n×4 82991964
n×5 103739955

Division

n÷y
n÷2 10373995.5
n÷3 6915997
n÷3 5186997.75
n÷5 4149598.2

Exponentiation

ny
n2 430479130536081
n3 8.9315771260504E+21
n4 1.853122818271E+29
n5 3.8448575555381E+36

Nth Root

y√n
2√n 4554.996267836
3√n 274.78436429113
4√n 67.49071245613
5√n 29.066665326359

Divisors of 20747991

1, 3, 11, 33, 61, 121, 183, 363, 671, 937, 2013, 2811, 7381, 10307, 22143, 30921, 57157, 113377, 171471, 340131, 628727, 1886181, 6915997, 20747991

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20747990
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20747991 can be divided by 24 positive divisors. The sum of these divisors (counting 20747991) is 1, the average is 0.041666666666667.

Base conversion 20747991

Base System Value
2 Binary 1001111001001011011010111
3 Ternary 1110001002220010
4 Quaternary 1033021123113
5 Quinary 20302413431
6 Senary 2020411303
8 Octal 117113327
10 Decimal 20747991
12 Duodecimal 6b46b33
16 Hexadecimal 13c96d7
20 Vigesimal 69d9jb
36 Base36 ccp93

Cryptographic Hash Functions

md5 d3ff5b5ac9d2dc41a1c792f46a47ecb0
sha1 cf70785020f3fdd99f7b0aac5e3d9b0375cfcbed
sha256 8120c4b8296407b7e42f50b3023e55a5bda06051c32b750af4a1c28099c2f1fa
sha512 8558b27228b1e4e3fc0f7448842a1482819231cdbad07392df5b2bf450b3d3b73d366c425545fad092bf01c86af0b7ca2e481a81a4b52c3400cf216e943b9ba7
ripemd-160 7c773e21a030c588ad74044e0378aa447f54d976

20747991 as geometric shapes

Circle

Radius = n
Diameter 41495982
Circumference 130363472.20469
Area 1.3523900740159E+15

Sphere

Radius = n
Volume 3.7412502778894E+22
Surface area 5.4095602960635E+15
Circumference 130363472.20469

Square

Length = n
Perimeter 82991964
Area 430479130536081
Diagonal 29342090.264195

Cube

Length = n
Surface area 2582874783216486
Volume 8.9315771260504E+21
Space diagonal 35936574.566982

Equilateral Triangle

Length = n
Perimeter 62243973
Area 1.8640293142164E+14
Altitude 17968287.283491

Triangular Pyramid

Length = n
Surface area 1.8640293142164E+14
Volume 1.0525964587535E+21
Height 9780696.7547316