128312085 (number)

128312085 is an odd 9-digits composite number following 128312084 and preceding 128312086. In scientific notation, it is written as 1.28312085 × 10^8. The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors. There are 61562880 positive integers (up to 128312085) that are relatively prime to 128312085.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28312085 × 10^8
Engineering notation 1.28312085 × 10^6

Prime Factorization of 128312085

Prime Factorization 3 × 5 × 11 × 97 × 8017

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 128312085
Product of the distinct prime numbers

The prime factorization of 128312085 is 3 × 5 × 11 × 97 × 8017. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 2, 27, 90, 105, 820, 5883, 2100, 19081, 49624, 795388, 815130, 1020757, 5850447, 47893208, 51546463, 42938808, 556697072, 9049233962, 3584487420

Basic calculations (n = 128312085)

Multiplication

n×y
n×2 256624170
n×3 384936255
n×4 513248340
n×5 641560425

Division

n÷y
n÷2 64156042.5
n÷3 42770695
n÷3 32078021.25
n÷5 25662417

Exponentiation

ny
n2 16463991157047225
n3 2.1125290327823E+24
n4 2.7106300481933E+32
n5 3.4780659314733E+40

Nth Root

y√n
2√n 11327.49244096
3√n 504.37767342564
4√n 106.43069313389
5√n 41.84595776788

Divisors of 128312085

1, 3, 5, 11, 15, 33, 55, 97, 165, 291, 485, 1067, 1455, 3201, 5335, 8017, 16005, 24051, 40085, 88187, 120255, 264561, 440935, 777649, 1322805, 2332947, 3888245, 8554139, 11664735, 25662417, 42770695, 128312085

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 -128312084
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 128312085 can be divided by 32 positive divisors. The sum of these divisors (counting 128312085) is 1, the average is 0.03125.

Base conversion 128312085

Base System Value
2 Binary 111101001011110001100010101
3 Ternary 22221102221002110
4 Quaternary 13221132030111
5 Quinary 230321441320
6 Senary 20422101233
8 Octal 751361425
10 Decimal 128312085
12 Duodecimal 36b7a819
16 Hexadecimal 7a5e315
20 Vigesimal 201j045
36 Base36 24e68l

Cryptographic Hash Functions

md5 3ceae6f50af303fd0e6bbf9e82e3ef48
sha1 fd62b4ddcd811914bfd7efc82511585cb3eb75b1
sha256 f880a7ca6db82113a74183b64ed31e04ed48c733627a3b458b3e5ce552fc9d3d
sha512 8a3c7b8527f697a1d6508c233ddf3609728e519a32fcd0f5154b225e2a706635f9146fcccc2caece3d3ed9dba09027d9ba838bdd87c6de6722f809c099050e49
ripemd-160 5bd4e1fb6ce037b0baa6f42e78c3cb2c2dcfe8e5

128312085 as geometric shapes

Circle

Radius = n
Diameter 256624170
Circumference 806208607.20558
Area 5.1723153667747E+16

Sphere

Radius = n
Volume 8.8489409198453E+24
Surface area 2.0689261467099E+17
Circumference 806208607.20558

Square

Length = n
Perimeter 513248340
Area 16463991157047225
Diagonal 181460690.82337

Cube

Length = n
Surface area 98783946942283350
Volume 2.1125290327823E+24
Space diagonal 222243050.4451

Equilateral Triangle

Length = n
Perimeter 384936255
Area 7.1291172948426E+15
Altitude 111121525.22255

Triangular Pyramid

Length = n
Surface area 7.1291172948426E+15
Volume 2.4896393408897E+23
Height 60486896.941123