20188749 (number)

20188749 is an odd 8-digits composite number following 20188748 and preceding 20188750. In scientific notation, it is written as 2.0188749 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 11476080 positive integers (up to 20188749) that are relatively prime to 20188749.

Interesting facts

Basic properties

Name

Name twenty million one hundred eighty-eight thousand seven hundred forty-nine

Notation

Scientific notation 2.0188749 × 10^7
Engineering notation 2.0188749 × 10^6

Prime Factorization of 20188749

Prime Factorization 3 × 1393 × 4831

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20188749
Product of the distinct prime numbers

The prime factorization of 20188749 is 3 × 1393 × 4831. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20188749)

Multiplication

n×y
n×2 40377498
n×3 60566247
n×4 80754996
n×5 100943745

Division

n÷y
n÷2 10094374.5
n÷3 6729583
n÷3 5047187.25
n÷5 4037749.8

Exponentiation

ny
n2 407585586185001
n3 8.2286430955069E+21
n4 1.6612601006577E+29
n5 3.3538763195893E+36

Nth Root

y√n
2√n 4493.1891791911
3√n 272.29299544155
4√n 67.031255241052
5√n 28.908255315998

Divisors of 20188749

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 -20188748
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 20188749 can be divided by 8 positive divisors. The sum of these divisors (counting 20188749) is 1, the average is 0.125.

Base conversion 20188749

Base System Value
2 Binary 1001101000000111001001101
3 Ternary 1101222200202110
4 Quaternary 1031000321031
5 Quinary 20132014444
6 Senary 2000414233
8 Octal 115007115
10 Decimal 20188749
12 Duodecimal 6917379
16 Hexadecimal 1340e4d
20 Vigesimal 663bh9
36 Base36 c0pql

Cryptographic Hash Functions

md5 4ea91344716f6a78d1ba153ae52e4f07
sha1 9da3efcb1bf465a41a6a31a4e01b1e417b9db355
sha256 6724f53b1da25215a17e3efe97f7686a2948e9f8cbedf1f6df732d9b7ad3e1f5
sha512 2dbd0d14bfe3278ea49eb56974f1010911aaa514ed2eb140cbf4d89dd8d7b756e67f1b9220f364c53b5bc0ba745a6162d8e69599c130d4cb99063f72b6754611
ripemd-160 ecfbf4db2cb3fa1e1187fdd46240e039af5c4fd7

20188749 as geometric shapes

Circle

Radius = n
Diameter 40377498
Circumference 126849651.08714
Area 1.2804678832679E+15

Sphere

Radius = n
Volume 3.4468059597142E+22
Surface area 5.1218715330716E+15
Circumference 126849651.08714

Square

Length = n
Perimeter 80754996
Area 407585586185001
Diagonal 28551202.643146

Cube

Length = n
Surface area 2445513517110006
Volume 8.2286430955069E+21
Space diagonal 34967939.009255

Equilateral Triangle

Length = n
Perimeter 60566247
Area 1.7648973592629E+14
Altitude 17483969.504628

Triangular Pyramid

Length = n
Surface area 1.7648973592629E+14
Volume 9.6975488879946E+20
Height 9517067.5477154