128643025 (number)

128643025 is an odd 9-digits composite number following 128643024 and preceding 128643026. In scientific notation, it is written as 1.28643025 × 10^8. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 81576000 positive integers (up to 128643025) that are relatively prime to 128643025.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28643025 × 10^8
Engineering notation 1.28643025 × 10^6

Prime Factorization of 128643025

Prime Factorization 775 × 161 × 1031

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 128643025
Product of the distinct prime numbers

The prime factorization of 128643025 is 775 × 161 × 1031. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 3, 21, 72, 253, 119, 6783, 6516, 10855, 68133, 16467, 455177, 277705, 9912765, 76406184, 30270810, 808189346, 978902400, 9452889792, 3685679643

Basic calculations (n = 128643025)

Multiplication

n×y
n×2 257286050
n×3 385929075
n×4 514572100
n×5 643215125

Division

n÷y
n÷2 64321512.5
n÷3 42881008.333333
n÷3 32160756.25
n÷5 25728605

Exponentiation

ny
n2 16549027881150625
n3 2.1289170074406E+24
n4 2.738703238111E+32
n5 3.523150691279E+40

Nth Root

y√n
2√n 11342.090856628
3√n 504.81092814206
4√n 106.4992528454
5√n 41.867521186822

Divisors of 128643025

1, 161, 775, 1031, 124775, 165991, 799025, 128643025

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 -128643024
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 128643025 can be divided by 8 positive divisors. The sum of these divisors (counting 128643025) is 1, the average is 0.125.

Base conversion 128643025

Base System Value
2 Binary 111101010101110111111010001
3 Ternary 22222001202001111
4 Quaternary 13222232333101
5 Quinary 230413034100
6 Senary 20433133321
8 Octal 752567721
10 Decimal 128643025
12 Duodecimal 370ba241
16 Hexadecimal 7aaefd1
20 Vigesimal 20407b5
36 Base36 24l9ld

Cryptographic Hash Functions

md5 b93adabab99f2a23043588ccb74c95c1
sha1 d24cabe73262e1cd6b48eab5a96c7899344f9cd8
sha256 b608d94a3b3c7d8f30edace26ceb2ff25664cb72f915ba1de30df299c0fe1f7e
sha512 adab2942aad8b36b5dcfbe30f676c0a6a9ee5581210cc9199d3f344d261f966892bd7b198ad8a16a54875a5e419e4b12f54ca52ee27db10cbb1f93e43312aeee
ripemd-160 3202e98c0bcc57ac3a812cf97584acf54fe0e15a

128643025 as geometric shapes

Circle

Radius = n
Diameter 257286050
Circumference 808287964.55114
Area 5.1990304415475E+16

Sphere

Radius = n
Volume 8.9175867075702E+24
Surface area 2.079612176619E+17
Circumference 808287964.55114

Square

Length = n
Perimeter 514572100
Area 16549027881150625
Diagonal 181928710.6597

Cube

Length = n
Surface area 99294167286903750
Volume 2.1289170074406E+24
Space diagonal 222816255.33935

Equilateral Triangle

Length = n
Perimeter 385929075
Area 7.1659392765067E+15
Altitude 111408127.66968

Triangular Pyramid

Length = n
Surface area 7.1659392765067E+15
Volume 2.508952754241E+23
Height 60642903.553234