20179991 (number)

20179991 is an odd 8-digits composite number following 20179990 and preceding 20179992. In scientific notation, it is written as 2.0179991 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 18627672 positive integers (up to 20179991) that are relatively prime to 20179991.

Interesting facts

Basic properties

Name

Name twenty million one hundred seventy-nine thousand nine hundred ninety-one

Notation

Scientific notation 2.0179991 × 10^7
Engineering notation 2.0179991 × 10^6

Prime Factorization of 20179991

Prime Factorization 13 × 1552307

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20179991
Product of the distinct prime numbers

The prime factorization of 20179991 is 13 × 1552307. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20179991)

Multiplication

n×y
n×2 40359982
n×3 60539973
n×4 80719964
n×5 100899955

Division

n÷y
n÷2 10089995.5
n÷3 6726663.6666667
n÷3 5044997.75
n÷5 4035998.2

Exponentiation

ny
n2 407232036760081
n3 8.2179388367301E+21
n4 1.6583793176376E+29
n5 3.3466079704514E+36

Nth Root

y√n
2√n 4492.2144873102
3√n 272.25361563689
4√n 67.023984418343
5√n 28.905746765877

Divisors of 20179991

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 -20179990
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 20179991 can be divided by 4 positive divisors. The sum of these divisors (counting 20179991) is 1, the average is 0.25.

Base conversion 20179991

Base System Value
2 Binary 1001100111110110000010111
3 Ternary 1101222020202002
4 Quaternary 1030332300113
5 Quinary 20131224431
6 Senary 2000305515
8 Octal 114766027
10 Decimal 20179991
12 Duodecimal 691229b
16 Hexadecimal 133ec17
20 Vigesimal 6629jb
36 Base36 c0izb

Cryptographic Hash Functions

md5 21d3161546d0cfb90e45e366ad481a96
sha1 cfa795433e04569bf6d90ac1a2971936da9bdb68
sha256 04cc82d72e422bd4abaec4d3ef821b0a80c588d7776287eb7827b90a22467559
sha512 bb799b95792dc011b638797234aa65d9d92bfa49b226b95498343c55470d5f4313dda6f9d4a27a529ef8c1550e73c894dc2f67687a097ee0e1af6786285ae6d0
ripemd-160 16dbfb8f0a0fa66cedd2adb97d0d8a06a3638433

20179991 as geometric shapes

Circle

Radius = n
Diameter 40359982
Circumference 126794622.95022
Area 1.2793571749919E+15

Sphere

Radius = n
Volume 3.4423221702829E+22
Surface area 5.1174286999675E+15
Circumference 126794622.95022

Square

Length = n
Perimeter 80719964
Area 407232036760081
Diagonal 28538816.960767

Cube

Length = n
Surface area 2443392220560486
Volume 8.2179388367301E+21
Space diagonal 34952769.708283

Equilateral Triangle

Length = n
Perimeter 60539973
Area 1.7633664453455E+14
Altitude 17476384.854141

Triangular Pyramid

Length = n
Surface area 1.7633664453455E+14
Volume 9.6849337980469E+20
Height 9512938.9869223