128698812 (number)

128698812 is an even 9-digits composite number following 128698811 and preceding 128698813. In scientific notation, it is written as 1.28698812 × 10^8. The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors. There are 38999520 positive integers (up to 128698812) that are relatively prime to 128698812.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million six hundred ninety-eight thousand eight hundred twelve

Notation

Scientific notation 1.28698812 × 10^8
Engineering notation 1.28698812 × 10^6

Prime Factorization of 128698812

Prime Factorization 2 × 2 × 9 × 11 × 324997

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 64349406
Product of the distinct prime numbers

The prime factorization of 128698812 is 2 × 2 × 9 × 11 × 324997. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128698812)

Multiplication

n×y
n×2 257397624
n×3 386096436
n×4 514795248
n×5 643494060

Division

n÷y
n÷2 64349406
n÷3 42899604
n÷3 32174703
n÷5 25739762.4

Exponentiation

ny
n2 16563384210211344
n3 2.1316878705538E+24
n4 2.7434569649508E+32
n5 3.5307965216229E+40

Nth Root

y√n
2√n 11344.54988089
3√n 504.88388926156
4√n 106.51079701556
5√n 41.871151789194

Divisors of 128698812

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128698811
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128698812 can be divided by 24 positive divisors. The sum of these divisors (counting 128698812) is 1, the average is 0.041666666666667.

Base conversion 128698812

Base System Value
2 Binary 111101010111100100110111100
3 Ternary 22222011120120200
4 Quaternary 13222330212330
5 Quinary 230421330222
6 Senary 20434243500
8 Octal 752744674
10 Decimal 128698812
12 Duodecimal 37126590
16 Hexadecimal 7abc9bc
20 Vigesimal 204770c
36 Base36 24mgn0

Cryptographic Hash Functions

md5 3f9ab23bb9e2fee0dbbd1a4e60822cc7
sha1 1b9cffe2e30d4f4949727b14d993a8d5d1b86e70
sha256 91088a4dad6225de0a05ffa57a9c89d8ca40d28ac7766575b9232449c550605f
sha512 d69075177dc4eb2bb3d52b668c1d601044164454f50c640a61f71fb4c7e39186e7ffc59e086f979ff9c8bab220a056cc556871bf9ea6e7d2a89fd21540592ac5
ripemd-160 c139d677963859a5075c922dd65dec3df91ea386

128698812 as geometric shapes

Circle

Radius = n
Diameter 257397624
Circumference 808638484.60987
Area 5.2035406153385E+16

Sphere

Radius = n
Volume 8.9291932718375E+24
Surface area 2.0814162461354E+17
Circumference 808638484.60987

Square

Length = n
Perimeter 514795248
Area 16563384210211344
Diagonal 182007605.39171

Cube

Length = n
Surface area 99380305261268064
Volume 2.1316878705538E+24
Space diagonal 222912881.25776

Equilateral Triangle

Length = n
Perimeter 386096436
Area 7.1721557493425E+15
Altitude 111456440.62888

Triangular Pyramid

Length = n
Surface area 7.1721557493425E+15
Volume 2.5122182477361E+23
Height 60669201.797235