20145655 (number)

20145655 is an odd 8-digits composite number following 20145654 and preceding 20145656. In scientific notation, it is written as 2.0145655 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 16116520 positive integers (up to 20145655) that are relatively prime to 20145655.

Interesting facts

Basic properties

Name

Name twenty million one hundred forty-five thousand six hundred fifty-five

Notation

Scientific notation 2.0145655 × 10^7
Engineering notation 2.0145655 × 10^6

Prime Factorization of 20145655

Prime Factorization 5 × 4029131

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20145655
Product of the distinct prime numbers

The prime factorization of 20145655 is 5 × 4029131. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20145655)

Multiplication

n×y
n×2 40291310
n×3 60436965
n×4 80582620
n×5 100728275

Division

n÷y
n÷2 10072827.5
n÷3 6715218.3333333
n÷3 5036413.75
n÷5 4029131

Exponentiation

ny
n2 405847415379025
n3 8.1760620128675E+21
n4 1.6471212456983E+29
n5 3.3182336359009E+36

Nth Root

y√n
2√n 4488.3911371448
3√n 272.09911594699
4√n 66.995456093267
5√n 28.895903511665

Divisors of 20145655

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 -20145654
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 20145655 can be divided by 4 positive divisors. The sum of these divisors (counting 20145655) is 1, the average is 0.25.

Base conversion 20145655

Base System Value
2 Binary 1001100110110010111110111
3 Ternary 1101220111122101
4 Quaternary 1030312113313
5 Quinary 20124130110
6 Senary 1555442531
8 Octal 114662767
10 Decimal 20145655
12 Duodecimal 68b6447
16 Hexadecimal 13365f7
20 Vigesimal 65i42f
36 Base36 bzshj

Cryptographic Hash Functions

md5 afabf5754caed01b36b6f4c18af187aa
sha1 dcb17ef9903ae20b159818a7bb0f7e6b2f24e354
sha256 69e31781d9844a408a4653e9095d2b8538d9afe886942bb3e3b336ae6cc30770
sha512 92caf639bdc1d3319ff242ddbe0aa894f3259cbc73d1d33ad6b633fb607ce58a298f75a414094c37392fd4cae90bb6e52e2ad4ad597df9392edc7aaaf7bfd6f7
ripemd-160 0383c5982f522a7b878dc66d999a6522b4dd4c49

20145655 as geometric shapes

Circle

Radius = n
Diameter 40291310
Circumference 126578883.49951
Area 1.2750072586332E+15

Sphere

Radius = n
Volume 3.4247808473226E+22
Surface area 5.1000290345326E+15
Circumference 126578883.49951

Square

Length = n
Perimeter 80582620
Area 405847415379025
Diagonal 28490258.523889

Cube

Length = n
Surface area 2435084492274150
Volume 8.1760620128675E+21
Space diagonal 34893298.011754

Equilateral Triangle

Length = n
Perimeter 60436965
Area 1.7573708588925E+14
Altitude 17446649.005877

Triangular Pyramid

Length = n
Surface area 1.7573708588925E+14
Volume 9.6355814878339E+20
Height 9496752.8412965