128842909 (number)

128842909 is an odd 9-digits composite number following 128842908 and preceding 128842910. In scientific notation, it is written as 1.28842909 × 10^8. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 118931904 positive integers (up to 128842909) that are relatively prime to 128842909.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million eight hundred forty-two thousand nine hundred nine

Notation

Scientific notation 1.28842909 × 10^8
Engineering notation 1.28842909 × 10^6

Prime Factorization of 128842909

Prime Factorization 13 × 9910993

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 128842909
Product of the distinct prime numbers

The prime factorization of 128842909 is 13 × 9910993. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 4, 40, 31, 451, 568, 3500, 1183, 95234, 46503, 145818, 192013, 9401789, 4396161, 99562015, 11306648, 79480660, 963864684, 7024705321, 8422582732

Basic calculations (n = 128842909)

Multiplication

n×y
n×2 257685818
n×3 386528727
n×4 515371636
n×5 644214545

Division

n÷y
n÷2 64421454.5
n÷3 42947636.333333
n÷3 32210727.25
n÷5 25768581.8

Exponentiation

ny
n2 16600495199582281
n3 2.1388560923547E+24
n4 2.7557644087135E+32
n5 3.5506070293732E+40

Nth Root

y√n
2√n 11350.899039283
3√n 505.07224924536
4√n 106.54059808018
5√n 41.880523759183

Divisors of 128842909

1, 13, 9910993, 128842909

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 -128842908
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 128842909 can be divided by 4 positive divisors. The sum of these divisors (counting 128842909) is 1, the average is 0.25.

Base conversion 128842909

Base System Value
2 Binary 111101011011111110010011101
3 Ternary 22222102220020121
4 Quaternary 13223133302131
5 Quinary 230440433114
6 Senary 20441314541
8 Octal 753376235
10 Decimal 128842909
12 Duodecimal 37195a51
16 Hexadecimal 7adfc9d
20 Vigesimal 2055759
36 Base36 24pjtp

Cryptographic Hash Functions

md5 c4238b814c6db95da27ea32541ac9031
sha1 950024b7b3eb672bd89e16e42496130d251d3a27
sha256 c905c7927950e7feebbbd4ebc0887c481a1bf673106a717b876d28569dc7bca8
sha512 3820a7108969a51ac0c8f3fdc3e25f0bcc84ed6065e97b870473076c0a5059ca47581cc2a872ef8546aeadfd7632db18f8b1d3a74a639bf275de925bb06b3591
ripemd-160 f2169f34ba57345ed0ddb80b27849743d53fd215

128842909 as geometric shapes

Circle

Radius = n
Diameter 257685818
Circumference 809543872.76308
Area 5.215199376496E+16

Sphere

Radius = n
Volume 8.9592194491031E+24
Surface area 2.0860797505984E+17
Circumference 809543872.76308

Square

Length = n
Perimeter 515371636
Area 16600495199582281
Diagonal 182211389.3234

Cube

Length = n
Surface area 99602971197493686
Volume 2.1388560923547E+24
Space diagonal 223162464.58297

Equilateral Triangle

Length = n
Perimeter 386528727
Area 7.1882252791199E+15
Altitude 111581232.29149

Triangular Pyramid

Length = n
Surface area 7.1882252791199E+15
Volume 2.5206660781436E+23
Height 60737129.774468