128309085 (number)

128309085 is an odd 9-digits composite number following 128309084 and preceding 128309086. In scientific notation, it is written as 1.28309085 × 10^8. The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors. There are 68431488 positive integers (up to 128309085) that are relatively prime to 128309085.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million three hundred nine thousand eighty-five

Notation

Scientific notation 1.28309085 × 10^8
Engineering notation 1.28309085 × 10^6

Prime Factorization of 128309085

Prime Factorization 3 × 5 × 3 × 2851313

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 42769695
Product of the distinct prime numbers

The prime factorization of 128309085 is 3 × 5 × 3 × 2851313. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 3, 14, 66, 696, 472, 4147, 5233, 36352, 69691, 881019, 291605, 8596800, 3825636, 1490823, 36811224, 617149230, 584956095, 6155631933, 8995075592

Basic calculations (n = 128309085)

Multiplication

n×y
n×2 256618170
n×3 384927255
n×4 513236340
n×5 641545425

Division

n÷y
n÷2 64154542.5
n÷3 42769695
n÷3 32077271.25
n÷5 25661817

Exponentiation

ny
n2 16463221293537225
n3 2.1123808603263E+24
n4 2.7103765535998E+32
n5 3.4776593559784E+40

Nth Root

y√n
2√n 11327.360018998
3√n 504.37374252852
4√n 106.43007102787
5√n 41.845762090213

Divisors of 128309085

1, 3, 5, 9, 15, 45, 2851313, 8553939, 14256565, 25661817, 42769695, 128309085

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128309084
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128309085 can be divided by 12 positive divisors. The sum of these divisors (counting 128309085) is 1, the average is 0.083333333333333.

Base conversion 128309085

Base System Value
2 Binary 111101001011101011101011101
3 Ternary 22221102202222100
4 Quaternary 13221131131131
5 Quinary 230321342320
6 Senary 20422035313
8 Octal 751353535
10 Decimal 128309085
12 Duodecimal 36b78b39
16 Hexadecimal 7a5d75d
20 Vigesimal 201ice5
36 Base36 24e3x9

Cryptographic Hash Functions

md5 ab8e2e8b1ca790c3630d08657befe58a
sha1 cb4b4fbfe5c9c8d64f5867f2c62dc8a746a52bd1
sha256 f8e4664f32333e2d39b30eec476fcf3f02d04c5a5e3356b50a21ab379e2400db
sha512 fdea34be174366b44fc0423294ddd0cf022c3708500717bd98566829b57d85c2ee001aba25bf0fbbe9c3c29f3e0d21919c01f9213a1cc9d3978d245084259f43
ripemd-160 7ae0791d4e4c0c565d7e9b0e755980501527bc98

128309085 as geometric shapes

Circle

Radius = n
Diameter 256618170
Circumference 806189757.64966
Area 5.17207350702E+16

Sphere

Radius = n
Volume 8.848320256513E+24
Surface area 2.068829402808E+17
Circumference 806189757.64966

Square

Length = n
Perimeter 513236340
Area 16463221293537225
Diagonal 181456448.18268

Cube

Length = n
Surface area 98779327761223350
Volume 2.1123808603263E+24
Space diagonal 222237854.29267

Equilateral Triangle

Length = n
Perimeter 384927255
Area 7.1287839341641E+15
Altitude 111118927.14634

Triangular Pyramid

Length = n
Surface area 7.1287839341641E+15
Volume 2.4894647179756E+23
Height 60485482.727561