20145748 (number)

20145748 is an even 8-digits composite number following 20145747 and preceding 20145749. In scientific notation, it is written as 2.0145748 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors. There are 8125824 positive integers (up to 20145748) that are relatively prime to 20145748.

Interesting facts

Basic properties

Name

Name twenty million one hundred forty-five thousand seven hundred forty-eight

Notation

Scientific notation 2.0145748 × 10^7
Engineering notation 2.0145748 × 10^6

Prime Factorization of 20145748

Prime Factorization 2 × 2 × 119 × 42323

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10072874
Product of the distinct prime numbers

The prime factorization of 20145748 is 2 × 2 × 119 × 42323. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 10, 93, 1, 627, 601, 4604, 7064, 75123, 57420, 36432, 194133, 8374916, 4439408, 58025388, 14744115, 238245158, 41097992, 8367309960, 8963153953

Basic calculations (n = 20145748)

Multiplication

n×y
n×2 40291496
n×3 60437244
n×4 80582992
n×5 100728740

Division

n÷y
n÷2 10072874
n÷3 6715249.3333333
n÷3 5036437
n÷5 4029149.6

Exponentiation

ny
n2 405851162479504
n3 8.1761752448191E+21
n4 1.6471516608596E+29
n5 3.318310227746E+36

Nth Root

y√n
2√n 4488.4014971925
3√n 272.09953465066
4√n 66.995533412255
5√n 28.89593019051

Divisors of 20145748

1, 2, 4, 119, 238, 476, 42323, 84646, 169292, 5036437, 10072874, 20145748

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20145747
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20145748 can be divided by 12 positive divisors. The sum of these divisors (counting 20145748) is 1, the average is 0.083333333333333.

Base conversion 20145748

Base System Value
2 Binary 1001100110110011001010100
3 Ternary 1101220111202211
4 Quaternary 1030312121110
5 Quinary 20124130443
6 Senary 1555443204
8 Octal 114663124
10 Decimal 20145748
12 Duodecimal 68b6504
16 Hexadecimal 1336654
20 Vigesimal 65i478
36 Base36 bzsk4

Cryptographic Hash Functions

md5 691e1f7b6ca0cc53cde733a3032b3031
sha1 1da7e5440880aea264ae940d83ef163035cb86b5
sha256 b5782c4c7a8d7df314eaeb8ee661e2afdb4b7918d088e087d9fe2ac10e6016fc
sha512 d8434b1843aba750cf1b5a07a58959d76ef95fee24f82c8cb0ce8906596334a3b461f31a875c5e09b25a90ac4fda631818844fa2259ff8e4f82dbc8dadc82e76
ripemd-160 ac92d8471ab4c94b51819b3a61c00bd35831f0bf

20145748 as geometric shapes

Circle

Radius = n
Diameter 40291496
Circumference 126579467.83574
Area 1.2750190304965E+15

Sphere

Radius = n
Volume 3.4248282778115E+22
Surface area 5.1000761219859E+15
Circumference 126579467.83574

Square

Length = n
Perimeter 80582992
Area 405851162479504
Diagonal 28490390.045751

Cube

Length = n
Surface area 2435106974877024
Volume 8.1761752448191E+21
Space diagonal 34893459.092479

Equilateral Triangle

Length = n
Perimeter 60437244
Area 1.7573870843135E+14
Altitude 17446729.54624

Triangular Pyramid

Length = n
Surface area 1.7573870843135E+14
Volume 9.6357149329687E+20
Height 9496796.6819169