128525845 (number)

128525845 is an odd 9-digits composite number following 128525844 and preceding 128525846. In scientific notation, it is written as 1.28525845 × 10^8. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 85288320 positive integers (up to 128525845) that are relatively prime to 128525845.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28525845 × 10^8
Engineering notation 1.28525845 × 10^6

Prime Factorization of 128525845

Prime Factorization 7 × 31 × 5 × 118457

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 128525845
Product of the distinct prime numbers

The prime factorization of 128525845 is 7 × 31 × 5 × 118457. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128525845)

Multiplication

n×y
n×2 257051690
n×3 385577535
n×4 514103380
n×5 642629225

Division

n÷y
n÷2 64262922.5
n÷3 42841948.333333
n÷3 32131461.25
n÷5 25705169

Exponentiation

ny
n2 16518892832964025
n3 2.1231046598211E+24
n4 2.7287382042695E+32
n5 3.5071338348752E+40

Nth Root

y√n
2√n 11336.923965521
3√n 504.65760537269
4√n 106.47499220719
5√n 41.859891041838

Divisors of 128525845

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128525844
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128525845 can be divided by 16 positive divisors. The sum of these divisors (counting 128525845) is 1, the average is 0.0625.

Base conversion 128525845

Base System Value
2 Binary 111101010010010011000010101
3 Ternary 22221211210022111
4 Quaternary 13222102120111
5 Quinary 230400311340
6 Senary 20430431021
8 Octal 752223025
10 Decimal 128525845
12 Duodecimal 37062471
16 Hexadecimal 7a92615
20 Vigesimal 2035ec5
36 Base36 24ir6d

Cryptographic Hash Functions

md5 80205db318d230cdb7f0ad6265f815d5
sha1 e57758d643b0e00bfe0bba079517b811951388f5
sha256 78db4c4d80124db035a17ca070e3c70613dcb9049d8868037e9b351aa81105b9
sha512 7e8fb2635f54ed89be26b99eab8b851b7e2d0dcd572c17451122f3df3e4525c2e0eb455723132b7f27a47f27d2f126469c318f6baad8a47afa1fc916cd6f70a8
ripemd-160 3ed7cfd60e787f66ebbe01713459f2fbb1a01d03

128525845 as geometric shapes

Circle

Radius = n
Diameter 257051690
Circumference 807551700.89684
Area 5.1895632369477E+16

Sphere

Radius = n
Volume 8.8932400027952E+24
Surface area 2.0758252947791E+17
Circumference 807551700.89684

Square

Length = n
Perimeter 514103380
Area 16518892832964025
Diagonal 181762993.11446

Cube

Length = n
Surface area 99113356997784150
Volume 2.1231046598211E+24
Space diagonal 222613293.62572

Equilateral Triangle

Length = n
Perimeter 385577535
Area 7.1528904178698E+15
Altitude 111306646.81286

Triangular Pyramid

Length = n
Surface area 7.1528904178698E+15
Volume 2.5021028368805E+23
Height 60587664.371487