128587025 (number)

128587025 is an odd 9-digits composite number following 128587024 and preceding 128587026. In scientific notation, it is written as 1.28587025 × 10^8. The sum of its digits is 38. It has a total of 5 prime factors and 24 positive divisors. There are 85760640 positive integers (up to 128587025) that are relatively prime to 128587025.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million five hundred eighty-seven thousand twenty-five

Notation

Scientific notation 1.28587025 × 10^8
Engineering notation 1.28587025 × 10^6

Prime Factorization of 128587025

Prime Factorization 25 × 7 × 7 × 37 × 2837

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 18369575
Product of the distinct prime numbers

The prime factorization of 128587025 is 25 × 7 × 7 × 37 × 2837. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 10, 52, 80, 970, 834, 9078, 3357, 40621, 44319, 176595, 874559, 2439666, 6208899, 61761792, 40753430, 922375989, 846939194, 755465734, 3727364128

Basic calculations (n = 128587025)

Multiplication

n×y
n×2 257174050
n×3 385761075
n×4 514348100
n×5 642935125

Division

n÷y
n÷2 64293512.5
n÷3 42862341.666667
n÷3 32146756.25
n÷5 25717405

Exponentiation

ny
n2 16534622998350625
n3 2.1261379808545E+24
n4 2.7339375769759E+32
n5 3.5154889955903E+40

Nth Root

y√n
2√n 11339.621907277
3√n 504.7376672327
4√n 106.4876608217
5√n 41.863875455475

Divisors of 128587025

1, 7, 25, 37, 49, 175, 259, 925, 1225, 1813, 2837, 6475, 19859, 45325, 70925, 104969, 139013, 496475, 734783, 2624225, 3475325, 5143481, 18369575, 128587025

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 -128587024
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 128587025 can be divided by 24 positive divisors. The sum of these divisors (counting 128587025) is 1, the average is 0.041666666666667.

Base conversion 128587025

Base System Value
2 Binary 111101010100001010100010001
3 Ternary 22221221220020102
4 Quaternary 13222201110101
5 Quinary 230404241100
6 Senary 20432022145
8 Octal 752412421
10 Decimal 128587025
12 Duodecimal 37091955
16 Hexadecimal 7aa1511
20 Vigesimal 203d7b5
36 Base36 24k2dt

Cryptographic Hash Functions

md5 968f696ef2bace42dc8eafcda832b835
sha1 a5eb834089b63103d3dac9a417771251aea965b5
sha256 85de996455c21fd86fb71bda0bbdba4774ce56cb7a4902392ca666f1ae52169e
sha512 a1442f3dd2aa55eb3d011f7adca4afdba544d4511d1ead6585f0b02315053bf2fe03392deb9584f4c6f6952a42434fbe051c84c39bc6395a6740be9cf261d677
ripemd-160 7f1e80dc40d1f34ee0d4f3fa14902a539fcb62d4

128587025 as geometric shapes

Circle

Radius = n
Diameter 257174050
Circumference 807936106.17393
Area 5.1945050141495E+16

Sphere

Radius = n
Volume 8.9059459482276E+24
Surface area 2.0778020056598E+17
Circumference 807936106.17393

Square

Length = n
Perimeter 514348100
Area 16534622998350625
Diagonal 181849514.70021

Cube

Length = n
Surface area 99207737990103750
Volume 2.1261379808545E+24
Space diagonal 222719260.49413

Equilateral Triangle

Length = n
Perimeter 385761075
Area 7.159701779285E+15
Altitude 111359630.24706

Triangular Pyramid

Length = n
Surface area 7.159701779285E+15
Volume 2.5056776400008E+23
Height 60616504.900069