20485745 (number)

20485745 is an odd 8-digits composite number following 20485744 and preceding 20485746. In scientific notation, it is written as 2.0485745 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors. There are 13562304 positive integers (up to 20485745) that are relatively prime to 20485745.

Interesting facts

Basic properties

Name

Name twenty million four hundred eighty-five thousand seven hundred forty-five

Notation

Scientific notation 2.0485745 × 10^7
Engineering notation 2.0485745 × 10^6

Prime Factorization of 20485745

Prime Factorization 5 × 7 × 29 × 20183

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20485745
Product of the distinct prime numbers

The prime factorization of 20485745 is 5 × 7 × 29 × 20183. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 10, 24, 57, 67, 578, 1435, 6451, 48870, 23542, 947412, 310568, 2963420, 8145641, 88606661, 89199599, 54527661, 188913737, 8328659967, 1451492133

Basic calculations (n = 20485745)

Multiplication

n×y
n×2 40971490
n×3 61457235
n×4 81942980
n×5 102428725

Division

n÷y
n÷2 10242872.5
n÷3 6828581.6666667
n÷3 5121436.25
n÷5 4097149

Exponentiation

ny
n2 419665748205025
n3 8.5971655029623E+21
n4 1.7611934021648E+29
n5 3.6079358932431E+36

Nth Root

y√n
2√n 4526.1180939078
3√n 273.62173191976
4√n 67.276430448619
5√n 28.99281287212

Divisors of 20485745

1, 5, 7, 29, 35, 145, 203, 1015, 20183, 100915, 141281, 585307, 706405, 2926535, 4097149, 20485745

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20485744
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20485745 can be divided by 16 positive divisors. The sum of these divisors (counting 20485745) is 1, the average is 0.0625.

Base conversion 20485745

Base System Value
2 Binary 1001110001001011001110001
3 Ternary 1102112210011022
4 Quaternary 1032021121301
5 Quinary 20221020440
6 Senary 2011025225
8 Octal 116113161
10 Decimal 20485745
12 Duodecimal 6a3b215
16 Hexadecimal 1389671
20 Vigesimal 680e75
36 Base36 c72wh

Cryptographic Hash Functions

md5 d0b0d7423a3fd5065dc9ff9afd7c5418
sha1 01a7267463a67dc88c0de63eaff2d3fe531b6dc6
sha256 cb9a281fcc2a7bbc33e528a3b8f0f563288494a0a03753b9b9b46ded866335db
sha512 6a59592ef6d088c6e55124f2812393dc00fb8f086589702d0c30d6f31e2aa6f443e2ab5aab2b497b71d48d947b33624fa16c0c9ea194462e0d360592769140e0
ripemd-160 3760a26624a0d5d6db03eec49411752b9e5f2e34

20485745 as geometric shapes

Circle

Radius = n
Diameter 40971490
Circumference 128715731.99063
Area 1.3184188315242E+15

Sphere

Radius = n
Volume 3.6011722647736E+22
Surface area 5.2736753260967E+15
Circumference 128715731.99063

Square

Length = n
Perimeter 81942980
Area 419665748205025
Diagonal 28971218.414317

Cube

Length = n
Surface area 2517994489230150
Volume 8.5971655029623E+21
Space diagonal 35482351.1709

Equilateral Triangle

Length = n
Perimeter 61457235
Area 1.8172059952188E+14
Altitude 17741175.58545

Triangular Pyramid

Length = n
Surface area 1.8172059952188E+14
Volume 1.0131856710213E+21
Height 9657072.8047723