20189745 (number)

20189745 is an odd 8-digits composite number following 20189744 and preceding 20189746. In scientific notation, it is written as 2.0189745 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 10299168 positive integers (up to 20189745) that are relatively prime to 20189745.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0189745 × 10^7
Engineering notation 2.0189745 × 10^6

Prime Factorization of 20189745

Prime Factorization 3 × 15 × 23 × 19507

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20189745
Product of the distinct prime numbers

The prime factorization of 20189745 is 3 × 15 × 23 × 19507. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 2, 95, 12, 80, 90, 472, 48, 74844, 25392, 90556, 574066, 7785478, 6316212, 96539319, 59537586, 203881582, 226646708, 4435750922, 8349138344

Basic calculations (n = 20189745)

Multiplication

n×y
n×2 40379490
n×3 60569235
n×4 80758980
n×5 100948725

Division

n÷y
n÷2 10094872.5
n÷3 6729915
n÷3 5047436.25
n÷5 4037949

Exponentiation

ny
n2 407625803165025
n3 8.229861021322E+21
n4 1.6615879540593E+29
n5 3.3547037087529E+36

Nth Root

y√n
2√n 4493.3000122404
3√n 272.29747317258
4√n 67.032081962598
5√n 28.908540544707

Divisors of 20189745

1, 3, 15, 23, 45, 69, 345, 1035, 19507, 58521, 292605, 448661, 877815, 1345983, 6729915, 20189745

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 -20189744
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 20189745 can be divided by 16 positive divisors. The sum of these divisors (counting 20189745) is 1, the average is 0.0625.

Base conversion 20189745

Base System Value
2 Binary 1001101000001001000110001
3 Ternary 1101222202010100
4 Quaternary 1031001020301
5 Quinary 20132032440
6 Senary 2000423013
8 Octal 115011061
10 Decimal 20189745
12 Duodecimal 6917a69
16 Hexadecimal 1341231
20 Vigesimal 663e75
36 Base36 c0qi9

Cryptographic Hash Functions

md5 ab395140d17e533234332f6a15588962
sha1 0d0330b8bd731f4d098dc199df60be52a7750591
sha256 5a5582728567b85f25a4350de90b68c278e45111f83105d678700147d15dd9c8
sha512 a3e3ae5869df1d903faeca0bbf837e361bd8452a724fcf4cefeca6056fbb0d24f70a62c5ff7c7c16fdc00efe9523faebf1f0fa6a7ec39b4ecf0865cdf0021b4e
ripemd-160 c6efb4679c89d3892d457ffd4fc20ce584718c23

20189745 as geometric shapes

Circle

Radius = n
Diameter 40379490
Circumference 126855909.1397
Area 1.2805942286369E+15

Sphere

Radius = n
Volume 3.4473161232867E+22
Surface area 5.1223769145475E+15
Circumference 126855909.1397

Square

Length = n
Perimeter 80758980
Area 407625803165025
Diagonal 28552611.199854

Cube

Length = n
Surface area 2445754818990150
Volume 8.229861021322E+21
Space diagonal 34969664.13186

Equilateral Triangle

Length = n
Perimeter 60569235
Area 1.7650715038947E+14
Altitude 17484832.06593

Triangular Pyramid

Length = n
Surface area 1.7650715038947E+14
Volume 9.6989842273328E+20
Height 9517537.0666181