128308972 (number)

128308972 is an even 9-digits composite number following 128308971 and preceding 128308973. In scientific notation, it is written as 1.28308972 × 10^8. The sum of its digits is 40. It has a total of 5 prime factors and 24 positive divisors. There are 57220800 positive integers (up to 128308972) that are relatively prime to 128308972.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million three hundred eight thousand nine hundred seventy-two

Notation

Scientific notation 1.28308972 × 10^8
Engineering notation 1.28308972 × 10^6

Prime Factorization of 128308972

Prime Factorization 2 × 2 × 11 × 53 × 55021

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 64154486
Product of the distinct prime numbers

The prime factorization of 128308972 is 2 × 2 × 11 × 53 × 55021. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128308972)

Multiplication

n×y
n×2 256617944
n×3 384926916
n×4 513235888
n×5 641544860

Division

n÷y
n÷2 64154486
n÷3 42769657.333333
n÷3 32077243
n÷5 25661794.4

Exponentiation

ny
n2 16463192295696784
n3 2.1123752792992E+24
n4 2.7103670056509E+32
n5 3.4776440423779E+40

Nth Root

y√n
2√n 11327.355031074
3√n 504.37359446353
4√n 106.430047595
5√n 41.845754719616

Divisors of 128308972

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 -128308971
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 128308972 can be divided by 24 positive divisors. The sum of these divisors (counting 128308972) is 1, the average is 0.041666666666667.

Base conversion 128308972

Base System Value
2 Binary 111101001011101011011101100
3 Ternary 22221102202211011
4 Quaternary 13221131123230
5 Quinary 230321341342
6 Senary 20422035004
8 Octal 751353354
10 Decimal 128308972
12 Duodecimal 36b78a64
16 Hexadecimal 7a5d6ec
20 Vigesimal 201ic8c
36 Base36 24e3u4

Cryptographic Hash Functions

md5 d83d7b7e1f97456fffb20d0c2571fde7
sha1 b4fb25c5a3a6d8a4ddd72275d8be6a7647d982f9
sha256 79a5eb0d3a445f81618d2b445603f90f74ef875ffb08f01db766b4c948e2f286
sha512 695bed27c3409f117f90786f15579e55f8938dee0c1b6ad3753e7a3954c06a8a610aadbd4f7052bfea548c8adb55d453a5dfc47b11f64fc43daeb79caffea3ba
ripemd-160 b5cc600ebdda8baca4f5681fe6705b03059957bc

128308972 as geometric shapes

Circle

Radius = n
Diameter 256617944
Circumference 806189047.64972
Area 5.1720643970797E+16

Sphere

Radius = n
Volume 8.8482968787613E+24
Surface area 2.0688257588319E+17
Circumference 806189047.64972

Square

Length = n
Perimeter 513235888
Area 16463192295696784
Diagonal 181456288.37655

Cube

Length = n
Surface area 98779153774180704
Volume 2.1123752792992E+24
Space diagonal 222237658.57093

Equilateral Triangle

Length = n
Perimeter 384926916
Area 7.1287713777308E+15
Altitude 111118829.28547

Triangular Pyramid

Length = n
Surface area 7.1287713777308E+15
Volume 2.4894581406721E+23
Height 60485429.45885