20145747 (number)

20145747 is an odd 8-digits composite number following 20145746 and preceding 20145748. In scientific notation, it is written as 2.0145747 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 13430496 positive integers (up to 20145747) that are relatively prime to 20145747.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0145747 × 10^7
Engineering notation 2.0145747 × 10^6

Prime Factorization of 20145747

Prime Factorization 3 × 6715249

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20145747
Product of the distinct prime numbers

The prime factorization of 20145747 is 3 × 6715249. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20145747)

Multiplication

n×y
n×2 40291494
n×3 60437241
n×4 80582988
n×5 100728735

Division

n÷y
n÷2 10072873.5
n÷3 6715249
n÷3 5036436.75
n÷5 4029149.4

Exponentiation

ny
n2 405851122188009
n3 8.1761740272657E+21
n4 1.6471513338127E+29
n5 3.3183094041702E+36

Nth Root

y√n
2√n 4488.4013857943
3√n 272.09953014847
4√n 66.995532580869
5√n 28.895929903641

Divisors of 20145747

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 -20145746
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 20145747 can be divided by 4 positive divisors. The sum of these divisors (counting 20145747) is 1, the average is 0.25.

Base conversion 20145747

Base System Value
2 Binary 1001100110110011001010011
3 Ternary 1101220111202210
4 Quaternary 1030312121103
5 Quinary 20124130442
6 Senary 1555443203
8 Octal 114663123
10 Decimal 20145747
12 Duodecimal 68b6503
16 Hexadecimal 1336653
20 Vigesimal 65i477
36 Base36 bzsk3

Cryptographic Hash Functions

md5 f95f1adc9d984f553dad7a86fe797e19
sha1 13f98e0d6c4942c45fb3901cc496104939a56272
sha256 710096532e1bb5a41557337af7670b62eef9ffa72a8365dffbc64b7b4ba4a289
sha512 2ace94ab411f2bd3cb42a3df37325864a10735be293e103c3cfbbe96163829d4020e56a5f443b4a3cf7ff6edcf63f4c0d82a836643aaccaba62f3a59117dae84
ripemd-160 9fa545b77f59d8257423f8d1e7fd96699af71176

20145747 as geometric shapes

Circle

Radius = n
Diameter 40291494
Circumference 126579461.55256
Area 1.275018903917E+15

Sphere

Radius = n
Volume 3.424827767804E+22
Surface area 5.1000756156681E+15
Circumference 126579461.55256

Square

Length = n
Perimeter 80582988
Area 405851122188009
Diagonal 28490388.631537

Cube

Length = n
Surface area 2435106733128054
Volume 8.1761740272657E+21
Space diagonal 34893457.360428

Equilateral Triangle

Length = n
Perimeter 60437241
Area 1.7573869098462E+14
Altitude 17446728.680214

Triangular Pyramid

Length = n
Surface area 1.7573869098462E+14
Volume 9.6357134980682E+20
Height 9496796.2105124