128840280 (number)

128840280 is an even 9-digits composite number following 128840279 and preceding 128840281. In scientific notation, it is written as 1.28840280 × 10^8. The sum of its digits is 33. It has a total of 7 prime factors and 64 positive divisors. There are 32030720 positive integers (up to 128840280) that are relatively prime to 128840280.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28840280 × 10^8
Engineering notation 1.28840280 × 10^6

Prime Factorization of 128840280

Prime Factorization 2 × 2 × 2 × 15 × 137 × 17 × 461

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 32210070
Product of the distinct prime numbers

The prime factorization of 128840280 is 2 × 2 × 2 × 15 × 137 × 17 × 461. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128840280)

Multiplication

n×y
n×2 257680560
n×3 386520840
n×4 515361120
n×5 644201400

Division

n÷y
n÷2 64420140
n÷3 42946760
n÷3 32210070
n÷5 25768056

Exponentiation

ny
n2 16599817750478400
n3 2.1387251669206E+24
n4 2.755539493491E+32
n5 3.5502447989244E+40

Nth Root

y√n
2√n 11350.783232887
3√n 505.0688139406
4√n 106.54005459398
5√n 41.880352845942

Divisors of 128840280

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128840279
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128840280 can be divided by 64 positive divisors. The sum of these divisors (counting 128840280) is 1, the average is 0.015625.

Base conversion 128840280

Base System Value
2 Binary 111101011011111001001011000
3 Ternary 22222102202122020
4 Quaternary 13223133021120
5 Quinary 230440342110
6 Senary 20441254440
8 Octal 753371130
10 Decimal 128840280
12 Duodecimal 37194420
16 Hexadecimal 7adf258
20 Vigesimal 20550e0
36 Base36 24phso

Cryptographic Hash Functions

md5 b6d1e856179766329cdb714ee71ecd39
sha1 bbe7382379b7b8ff082d9218958a85669806e614
sha256 bd78512ea9a878f9d1bcd2579cb01cd8d5ae9ad0213c8dc6395de87ad0b0bfcc
sha512 422499c4fb385132b09bceb2b150628e2dd4466cb515f81b073936570c382b50f680d122613e56c696d7be5683260578fdd117b9ca00fecc12bfe2d5a3501df5
ripemd-160 2258ee8c345311097773e7317d5b18b8e2d8a6d4

128840280 as geometric shapes

Circle

Radius = n
Diameter 257680560
Circumference 809527354.2689
Area 5.2149865495832E+16

Sphere

Radius = n
Volume 8.9586710299272E+24
Surface area 2.0859946198333E+17
Circumference 809527354.2689

Square

Length = n
Perimeter 515361120
Area 16599817750478400
Diagonal 182207671.35595

Cube

Length = n
Surface area 99598906502870400
Volume 2.1387251669206E+24
Space diagonal 223157911.0214

Equilateral Triangle

Length = n
Perimeter 386520840
Area 7.1879319350531E+15
Altitude 111578955.5107

Triangular Pyramid

Length = n
Surface area 7.1879319350531E+15
Volume 2.5205117810398E+23
Height 60735890.451982