128125845 (number)

128125845 is an odd 9-digits composite number following 128125844 and preceding 128125846. In scientific notation, it is written as 1.28125845 × 10^8. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 66834432 positive integers (up to 128125845) that are relatively prime to 128125845.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28125845 × 10^8
Engineering notation 1.28125845 × 10^6

Prime Factorization of 128125845

Prime Factorization 9 × 5 × 19109 × 149

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 128125845
Product of the distinct prime numbers

The prime factorization of 128125845 is 9 × 5 × 19109 × 149. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 4, 81, 27, 420, 897, 6810, 2315, 44738, 98574, 270211, 640170, 663283, 8727700, 25518138, 96887520, 949761513, 660273867, 5670724756, 1604406531

Basic calculations (n = 128125845)

Multiplication

n×y
n×2 256251690
n×3 384377535
n×4 512503380
n×5 640629225

Division

n÷y
n÷2 64062922.5
n÷3 42708615
n÷3 32031461.25
n÷5 25625169

Exponentiation

ny
n2 16416232156964025
n3 2.1033436168272E+24
n4 2.6949267823134E+32
n5 3.4528977119704E+40

Nth Root

y√n
2√n 11319.268748466
3√n 504.13352707368
4√n 106.39205209256
5√n 41.833803153074

Divisors of 128125845

1, 5, 9, 45, 149, 745, 1341, 6705, 19109, 95545, 171981, 859905, 2847241, 14236205, 25625169, 128125845

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 -128125844
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 128125845 can be divided by 16 positive divisors. The sum of these divisors (counting 128125845) is 1, the average is 0.0625.

Base conversion 128125845

Base System Value
2 Binary 111101000110000101110010101
3 Ternary 22221002110121200
4 Quaternary 13220300232111
5 Quinary 230300011340
6 Senary 20414103113
8 Octal 750605625
10 Decimal 128125845
12 Duodecimal 36aaaa99
16 Hexadecimal 7a30b95
20 Vigesimal 200fec5
36 Base36 24a6j9

Cryptographic Hash Functions

md5 03553c8fb7d2fb701ab81cc462b63fbf
sha1 66881c19b9dd076967b81a4a997a2cad05e4f8f1
sha256 c81ae6aba7b5de3895a56b839c968d788a190ab28e7175c5432693076d6a1e6d
sha512 2c7fb98ca15ac632389a5c96bd7b94ed60c9cb53edd4776ad778d8642ae4479171c980d3c736212225d6b54187e969c0d2604e493cff623eb582d1b4b3968475
ripemd-160 7120232432946876ca7a6b42d1dffd882e525261

128125845 as geometric shapes

Circle

Radius = n
Diameter 256251690
Circumference 805038426.77397
Area 5.1573114343943E+16

Sphere

Radius = n
Volume 8.8104651394657E+24
Surface area 2.0629245737577E+17
Circumference 805038426.77397

Square

Length = n
Perimeter 512503380
Area 16416232156964025
Diagonal 181197307.68951

Cube

Length = n
Surface area 98497392941784150
Volume 2.1033436168272E+24
Space diagonal 221920473.30269

Equilateral Triangle

Length = n
Perimeter 384377535
Area 7.1084370411769E+15
Altitude 110960236.65135

Triangular Pyramid

Length = n
Surface area 7.1084370411769E+15
Volume 2.4788142243732E+23
Height 60399102.563171