20145955 (number)

20145955 is an odd 8-digits composite number following 20145954 and preceding 20145956. In scientific notation, it is written as 2.0145955 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 16086528 positive integers (up to 20145955) that are relatively prime to 20145955.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0145955 × 10^7
Engineering notation 2.0145955 × 10^6

Prime Factorization of 20145955

Prime Factorization 5 × 577 × 6983

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20145955
Product of the distinct prime numbers

The prime factorization of 20145955 is 5 × 577 × 6983. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20145955)

Multiplication

n×y
n×2 40291910
n×3 60437865
n×4 80583820
n×5 100729775

Division

n÷y
n÷2 10072977.5
n÷3 6715318.3333333
n÷3 5036488.75
n÷5 4029191

Exponentiation

ny
n2 405859502862025
n3 8.1764272809807E+21
n4 1.6472193606341E+29
n5 3.3184807114463E+36

Nth Root

y√n
2√n 4488.4245565677
3√n 272.10046659935
4√n 66.995705508396
5√n 28.895989572102

Divisors of 20145955

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20145954
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20145955 can be divided by 8 positive divisors. The sum of these divisors (counting 20145955) is 1, the average is 0.125.

Base conversion 20145955

Base System Value
2 Binary 1001100110110011100100011
3 Ternary 1101220112001111
4 Quaternary 1030312130203
5 Quinary 20124132310
6 Senary 1555444151
8 Octal 114663443
10 Decimal 20145955
12 Duodecimal 68b6657
16 Hexadecimal 1336723
20 Vigesimal 65i4hf
36 Base36 bzspv

Cryptographic Hash Functions

md5 cf7ef6cfdcc2581e6d6a28586bb2ac22
sha1 249dbac9792f94a37450a2f74c39bbac3c8ff3c0
sha256 18c127fb034491ee01b4c4dd4719d0c643152978e885f514635fa0ae7571f63e
sha512 6b0e6b67f7965535058e26ecb0cb2c18567f0d9bcfacd16c7178095a8f70b80f34290b350bb9ba5b6525a78bf1827a117f416f75452f96507d89021efab2f7e1
ripemd-160 00d693e680256a6ec49f3da39ea036ab24d3b7d1

20145955 as geometric shapes

Circle

Radius = n
Diameter 40291910
Circumference 126580768.4551
Area 1.2750452325809E+15

Sphere

Radius = n
Volume 3.424933850472E+22
Surface area 5.1001809303238E+15
Circumference 126580768.4551

Square

Length = n
Perimeter 80583820
Area 405859502862025
Diagonal 28490682.787958

Cube

Length = n
Surface area 2435157017172150
Volume 8.1764272809807E+21
Space diagonal 34893817.626996

Equilateral Triangle

Length = n
Perimeter 60437865
Area 1.7574231992292E+14
Altitude 17446908.813498

Triangular Pyramid

Length = n
Surface area 1.7574231992292E+14
Volume 9.6360119604336E+20
Height 9496894.2626527