128225 (number)

128225 is an odd 6-digits composite number following 128224 and preceding 128226. In scientific notation, it is written as 1.28225 × 10^5. The sum of its digits is 20. It has a total of 4 prime factors and 12 positive divisors. There are 97680 positive integers (up to 128225) that are relatively prime to 128225.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight thousand two hundred twenty-five

Notation

Scientific notation 1.28225 × 10^5
Engineering notation 1.28225 × 10^3

Prime Factorization of 128225

Prime Factorization 5 × 5 × 23 × 223

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 25645
Product of the distinct prime numbers

The prime factorization of 128225 is 5 × 5 × 23 × 223. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128225)

Multiplication

n×y
n×2 256450
n×3 384675
n×4 512900
n×5 641125

Division

n÷y
n÷2 64112.5
n÷3 42741.666666667
n÷3 32056.25
n÷5 25645

Exponentiation

ny
n2 16441650625
n3 2108230651390625
n4 2.7032787527456E+20
n5 3.4662791807081E+25

Nth Root

y√n
2√n 358.08518539588
3√n 50.426354109896
4√n 18.923138888564
5√n 10.509802178045

Divisors of 128225

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128224
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128225 can be divided by 12 positive divisors. The sum of these divisors (counting 128225) is 1, the average is 0.083333333333333.

Base conversion 128225

Base System Value
2 Binary 11111010011100001
3 Ternary 20111220002
4 Quaternary 133103201
5 Quinary 13100400
6 Senary 2425345
8 Octal 372341
10 Decimal 128225
12 Duodecimal 62255
16 Hexadecimal 1f4e1
20 Vigesimal g0b5
36 Base36 2qxt

Cryptographic Hash Functions

md5 ce1147ec605e5fbac6b692e762db8881
sha1 dd4fe5ac5a85d9da9afecaabe77858b6c760d7eb
sha256 cf08aa850169d0bc7e986e10755d1e499b55a782fbd66cd5d786ac7f9b398045
sha512 e927a2683660f92d46cca22e95936d9b0490c35e1100aca10a03dcc40fa1b03b4f016d6ea7c9963bc702e13ca124f0368060f2862ee8e932452a0ad632c700fe
ripemd-160 21573f0f520f72c3be8a983118abee8412955fa1

128225 as geometric shapes

Circle

Radius = n
Diameter 256450
Circumference 805661.4360131
Area 51652968816.39

Sphere

Radius = n
Volume 8.8309359019755E+15
Surface area 206611875265.56
Circumference 805661.4360131

Square

Length = n
Perimeter 512900
Area 16441650625
Diagonal 181337.53403529

Cube

Length = n
Surface area 98649903750
Volume 2108230651390625
Space diagonal 222092.21480052

Equilateral Triangle

Length = n
Perimeter 384675
Area 7119443560.6991
Altitude 111046.10740026

Triangular Pyramid

Length = n
Surface area 7119443560.6991
Volume 2.4845736498394E+14
Height 60445.84467843