128975984 (number)

128975984 is an even 9-digits composite number following 128975983 and preceding 128975985. In scientific notation, it is written as 1.28975984 × 10^8. The sum of its digits is 53. It has a total of 6 prime factors and 20 positive divisors. There are 64360512 positive integers (up to 128975984) that are relatively prime to 128975984.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million nine hundred seventy-five thousand nine hundred eighty-four

Notation

Scientific notation 1.28975984 × 10^8
Engineering notation 1.28975984 × 10^6

Prime Factorization of 128975984

Prime Factorization 2 × 2 × 2 × 2 × 523 × 15413

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 16121998
Product of the distinct prime numbers

The prime factorization of 128975984 is 2 × 2 × 2 × 2 × 523 × 15413. Since it has a total of 6 prime factors.

Most popular turbo-numbers

5, 9, 33, 79, 279, 198, 8382, 7783, 7985, 4481, 302511, 412766, 3179597, 1451339, 48613542, 55177962, 723961205, 902793144, 6677781343, 2888831479

Basic calculations (n = 128975984)

Multiplication

n×y
n×2 257951968
n×3 386927952
n×4 515903936
n×5 644879920

Division

n÷y
n÷2 64487992
n÷3 42991994.666667
n÷3 32243996
n÷5 25795196.8

Exponentiation

ny
n2 16634804448768256
n3 2.1454902724275E+24
n4 2.7671671904876E+32
n5 3.5689811128565E+40

Nth Root

y√n
2√n 11356.759396941
3√n 505.24607685007
4√n 106.56809746327
5√n 41.889171421119

Divisors of 128975984

1, 2, 4, 8, 16, 523, 1046, 2092, 4184, 8368, 15413, 30826, 61652, 123304, 246608, 8060999, 16121998, 32243996, 64487992, 128975984

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128975983
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128975984 can be divided by 20 positive divisors. The sum of these divisors (counting 128975984) is 1, the average is 0.05.

Base conversion 128975984

Base System Value
2 Binary 111101100000000010001110000
3 Ternary 22222200122210022
4 Quaternary 13230000101300
5 Quinary 231004212414
6 Senary 20444223012
8 Octal 754002160
10 Decimal 128975984
12 Duodecimal 3723aa68
16 Hexadecimal 7b00470
20 Vigesimal 2061jj4
36 Base36 24sei8

Cryptographic Hash Functions

md5 824977be8ed6d272729b4436b63bf4cf
sha1 da6d58730844bed6449cffcdc471eb3265af997f
sha256 3758ef311cde04d94aa1055c4be69b148cff0e811ed83dc12780ce21955f2d02
sha512 5caf9bed85f75236b4a017b3a669dfa3caa448b6bbd5c336d12ac69ba22eb25cff36c369d6bc73c08851807153426884f303a4a4f5af15ff57c2c2be9115b3b6
ripemd-160 a852341453dce0009307b23c263fd85f57050195

128975984 as geometric shapes

Circle

Radius = n
Diameter 257951968
Circumference 810380007.64783
Area 5.2259779450153E+16

Sphere

Radius = n
Volume 8.9870086376086E+24
Surface area 2.0903911780061E+17
Circumference 810380007.64783

Square

Length = n
Perimeter 515903936
Area 16634804448768256
Diagonal 182399585.79322

Cube

Length = n
Surface area 99808826692609536
Volume 2.1454902724275E+24
Space diagonal 223392957.24419

Equilateral Triangle

Length = n
Perimeter 386927952
Area 7.2030816198099E+15
Altitude 111696478.6221

Triangular Pyramid

Length = n
Surface area 7.2030816198099E+15
Volume 2.5284845343387E+23
Height 60799861.931072