128545131 (number)

128545131 is an odd 9-digits composite number following 128545130 and preceding 128545132. In scientific notation, it is written as 1.28545131 × 10^8. The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors. There are 71395200 positive integers (up to 128545131) that are relatively prime to 128545131.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28545131 × 10^8
Engineering notation 1.28545131 × 10^6

Prime Factorization of 128545131

Prime Factorization 13 × 11 × 3 × 149 × 2011

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 128545131
Product of the distinct prime numbers

The prime factorization of 128545131 is 13 × 11 × 3 × 149 × 2011. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128545131)

Multiplication

n×y
n×2 257090262
n×3 385635393
n×4 514180524
n×5 642725655

Division

n÷y
n÷2 64272565.5
n÷3 42848377
n÷3 32136282.75
n÷5 25709026.2

Exponentiation

ny
n2 16523850703807161
n3 2.1240605533453E+24
n4 2.7303764208171E+32
n5 3.5097659469324E+40

Nth Root

y√n
2√n 11337.774517073
3√n 504.68284631365
4√n 106.47898626994
5√n 41.86114722717

Divisors of 128545131

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128545130
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128545131 can be divided by 32 positive divisors. The sum of these divisors (counting 128545131) is 1, the average is 0.03125.

Base conversion 128545131

Base System Value
2 Binary 111101010010111000101101011
3 Ternary 22221212202202210
4 Quaternary 13222113011223
5 Quinary 230401421011
6 Senary 20431100203
8 Octal 752270553
10 Decimal 128545131
12 Duodecimal 37071663
16 Hexadecimal 7a9716b
20 Vigesimal 20382gb
36 Base36 24j623

Cryptographic Hash Functions

md5 7521eac7180e05b0a2076d3b3a385925
sha1 7db4cc1a4a80d4312cc810ec3407deb340f870e4
sha256 9140e51dc8dbe43addff36d90d13d7f0d34e8273fdf087e0d16bad171c816061
sha512 f2c3def339fe9ab778c6b7bf45c6b23e010e6b80cc642abaef1c4f2aede55d550d78df580e6fd91d265c6d01926f203e46c7727c277f58abb76ab0263cef20e6
ripemd-160 0b754f602400034e32100b6b247079cb7af17405

128545131 as geometric shapes

Circle

Radius = n
Diameter 257090262
Circumference 807672878.40868
Area 5.1911207980095E+16

Sphere

Radius = n
Volume 8.8972440402261E+24
Surface area 2.0764483192038E+17
Circumference 807672878.40868

Square

Length = n
Perimeter 514180524
Area 16523850703807161
Diagonal 181790267.63723

Cube

Length = n
Surface area 99143104222842966
Volume 2.1240605533453E+24
Space diagonal 222646697.9576

Equilateral Triangle

Length = n
Perimeter 385635393
Area 7.1550372389192E+15
Altitude 111323348.9788

Triangular Pyramid

Length = n
Surface area 7.1550372389192E+15
Volume 2.5032293682022E+23
Height 60596755.879075