128528907 (number)

128528907 is an odd 9-digits composite number following 128528906 and preceding 128528908. In scientific notation, it is written as 1.28528907 × 10^8. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 78688512 positive integers (up to 128528907) that are relatively prime to 128528907.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28528907 × 10^8
Engineering notation 1.28528907 × 10^6

Prime Factorization of 128528907

Prime Factorization 39 × 197 × 16729

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 128528907
Product of the distinct prime numbers

The prime factorization of 128528907 is 39 × 197 × 16729. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 4, 31, 55, 85, 62, 7590, 5809, 72161, 82199, 332665, 174270, 2081160, 6141278, 54678747, 16239600, 638029797, 584022678, 6013985426, 175832262

Basic calculations (n = 128528907)

Multiplication

n×y
n×2 257057814
n×3 385586721
n×4 514115628
n×5 642644535

Division

n÷y
n÷2 64264453.5
n÷3 42842969
n÷3 32132226.75
n÷5 25705781.4

Exponentiation

ny
n2 16519679934614649
n3 2.1232564059859E+24
n4 2.7289982514211E+32
n5 3.5075516246006E+40

Nth Root

y√n
2√n 11337.059010167
3√n 504.66161299548
4√n 106.47562636663
5√n 41.860090493964

Divisors of 128528907

1, 39, 197, 7683, 16729, 652431, 3295613, 128528907

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 -128528906
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 128528907 can be divided by 8 positive divisors. The sum of these divisors (counting 128528907) is 1, the average is 0.125.

Base conversion 128528907

Base System Value
2 Binary 111101010010011001000001011
3 Ternary 22221211221111220
4 Quaternary 13222103020023
5 Quinary 230400411112
6 Senary 20430453123
8 Octal 752231013
10 Decimal 128528907
12 Duodecimal 370641a3
16 Hexadecimal 7a9320b
20 Vigesimal 2036257
36 Base36 24itjf

Cryptographic Hash Functions

md5 f77a76a629dd258e200697a802341d67
sha1 ca6d36c2ee8d189133144b6b43dd8866d72b9d92
sha256 781108a94a011b54482cd1b27d1f5ebf05b3e2f0dafc56ce5ee1c1d961b4d825
sha512 4ef3146f6eeb31d16ec6d5112a1ec0ab8c88285eb10eecfd5e6c83566a4f7f6b6913b59d4799534e42389521908a0111970f6ae150b63ed556f3a168373c156c
ripemd-160 a5747210a7a1265287c218acd721ab62b883ae5d

128528907 as geometric shapes

Circle

Radius = n
Diameter 257057814
Circumference 807570940.01025
Area 5.189810512224E+16

Sphere

Radius = n
Volume 8.8938756356435E+24
Surface area 2.0759242048896E+17
Circumference 807570940.01025

Square

Length = n
Perimeter 514115628
Area 16519679934614649
Diagonal 181767323.43639

Cube

Length = n
Surface area 99118079607687894
Volume 2.1232564059859E+24
Space diagonal 222618597.1653

Equilateral Triangle

Length = n
Perimeter 385586721
Area 7.1532312428822E+15
Altitude 111309298.58265

Triangular Pyramid

Length = n
Surface area 7.1532312428822E+15
Volume 2.5022816714506E+23
Height 60589107.81213