128525920 (number)

128525920 is an even 9-digits composite number following 128525919 and preceding 128525921. In scientific notation, it is written as 1.28525920 × 10^8. The sum of its digits is 34. It has a total of 7 prime factors and 24 positive divisors. There are 51410304 positive integers (up to 128525920) that are relatively prime to 128525920.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million five hundred twenty-five thousand nine hundred twenty

Notation

Scientific notation 1.28525920 × 10^8
Engineering notation 1.28525920 × 10^6

Prime Factorization of 128525920

Prime Factorization 2 × 2 × 2 × 2 × 2 × 5 × 803287

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 8032870
Product of the distinct prime numbers

The prime factorization of 128525920 is 2 × 2 × 2 × 2 × 2 × 5 × 803287. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128525920)

Multiplication

n×y
n×2 257051840
n×3 385577760
n×4 514103680
n×5 642629600

Division

n÷y
n÷2 64262960
n÷3 42841973.333333
n÷3 32131480
n÷5 25705184

Exponentiation

ny
n2 16518912111846400
n3 2.1231083765742E+24
n4 2.7287445735891E+32
n5 3.5071440676554E+40

Nth Root

y√n
2√n 11336.927273296
3√n 504.65770353534
4√n 106.4750077403
5√n 41.859895927223

Divisors of 128525920

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128525919
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128525920 can be divided by 24 positive divisors. The sum of these divisors (counting 128525920) is 1, the average is 0.041666666666667.

Base conversion 128525920

Base System Value
2 Binary 111101010010010011001100000
3 Ternary 22221211210102021
4 Quaternary 13222102121200
5 Quinary 230400312140
6 Senary 20430431224
8 Octal 752223140
10 Decimal 128525920
12 Duodecimal 37062514
16 Hexadecimal 7a92660
20 Vigesimal 2035eg0
36 Base36 24ir8g

Cryptographic Hash Functions

md5 e97d1d069a942d5df8cfeee4b9792c67
sha1 2af6bd2e2783624f3e995b556e0ae39b19ac167e
sha256 5aaab42ff5ca1319b00c3658f156b96efddb6677bc603b4327945bb012a6badf
sha512 e8242440b9209f7144b9961b166bdc4915fb680fbf9afb33a85d3e8a8d0634953bfe4e1e21f054449d6c45cc851eda40b4d5a677ba64c55045e8d286cc22ad98
ripemd-160 e21081a0c33cb0b6acee30232ff2ad228a91ed0c

128525920 as geometric shapes

Circle

Radius = n
Diameter 257051840
Circumference 807552172.13574
Area 5.1895692935872E+16

Sphere

Radius = n
Volume 8.893255571494E+24
Surface area 2.0758277174349E+17
Circumference 807552172.13574

Square

Length = n
Perimeter 514103680
Area 16518912111846400
Diagonal 181763099.18048

Cube

Length = n
Surface area 99113472671078400
Volume 2.1231083765742E+24
Space diagonal 222613423.52953

Equilateral Triangle

Length = n
Perimeter 385577760
Area 7.1528987658707E+15
Altitude 111306711.76477

Triangular Pyramid

Length = n
Surface area 7.1528987658707E+15
Volume 2.502107217116E+23
Height 60587699.726826