128436691 (number)

128436691 is an odd 9-digits composite number following 128436690 and preceding 128436692. In scientific notation, it is written as 1.28436691 × 10^8. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 128116000 positive integers (up to 128436691) that are relatively prime to 128436691.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million four hundred thirty-six thousand six hundred ninety-one

Notation

Scientific notation 1.28436691 × 10^8
Engineering notation 1.28436691 × 10^6

Prime Factorization of 128436691

Prime Factorization 401 × 320291

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 128436691
Product of the distinct prime numbers

The prime factorization of 128436691 is 401 × 320291. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 2, 39, 27, 260, 577, 3519, 1013, 29524, 5453, 274082, 359101, 9795511, 676758, 75717665, 54110242, 203609393, 339897940, 5630098518, 1303425248

Basic calculations (n = 128436691)

Multiplication

n×y
n×2 256873382
n×3 385310073
n×4 513746764
n×5 642183455

Division

n÷y
n÷2 64218345.5
n÷3 42812230.333333
n÷3 32109172.75
n÷5 25687338.2

Exponentiation

ny
n2 16495983595029481
n3 2.1186895477359E+24
n4 2.7211747476748E+32
n5 3.4949868022411E+40

Nth Root

y√n
2√n 11332.991264446
3√n 504.54089045216
4√n 106.4565228835
5√n 41.854082073758

Divisors of 128436691

1, 401, 320291, 128436691

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128436690
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128436691 can be divided by 4 positive divisors. The sum of these divisors (counting 128436691) is 1, the average is 0.25.

Base conversion 128436691

Base System Value
2 Binary 111101001111100100111010011
3 Ternary 22221200021000111
4 Quaternary 13221330213103
5 Quinary 230334433231
6 Senary 20424502151
8 Octal 751744723
10 Decimal 128436691
12 Duodecimal 3701a957
16 Hexadecimal 7a7c9d3
20 Vigesimal 202ebeb
36 Base36 24gudv

Cryptographic Hash Functions

md5 24a3ef73430df0938bced183bbad59b4
sha1 7d85530758824c87c6a686aab9a967518fd47fa0
sha256 abee6243fc56db35277379af2d1a1b3603433c122c301b081606c18ba78613a6
sha512 f9d0af1b8a768f9cfec2fb0c02a9324459fa4be5e08d8a310339ac01b706db5dcf12833e09eddc615e18994c556f70fd15323f262dde0bb1d825a27832ceb2fc
ripemd-160 3455f19f8c86c47125348406580ec90744bab839

128436691 as geometric shapes

Circle

Radius = n
Diameter 256873382
Circumference 806991529.79396
Area 5.1823660875882E+16

Sphere

Radius = n
Volume 8.8747460245393E+24
Surface area 2.0729464350353E+17
Circumference 806991529.79396

Square

Length = n
Perimeter 513746764
Area 16495983595029481
Diagonal 181636910.31852

Cube

Length = n
Surface area 98975901570176886
Volume 2.1186895477359E+24
Space diagonal 222458874.36802

Equilateral Triangle

Length = n
Perimeter 385310073
Area 7.1429704268534E+15
Altitude 111229437.18401

Triangular Pyramid

Length = n
Surface area 7.1429704268534E+15
Volume 2.4968995773885E+23
Height 60545636.772841