128032978 (number)

128032978 is an even 9-digits composite number following 128032977 and preceding 128032979. In scientific notation, it is written as 1.28032978 × 10^8. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 63245124 positive integers (up to 128032978) that are relatively prime to 128032978.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28032978 × 10^8
Engineering notation 1.28032978 × 10^6

Prime Factorization of 128032978

Prime Factorization 2 × 83 × 771283

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 128032978
Product of the distinct prime numbers

The prime factorization of 128032978 is 2 × 83 × 771283. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 6, 37, 43, 128, 224, 5384, 5336, 78299, 10544, 927829, 386270, 7053091, 4234867, 34599663, 67665510, 830614976, 207227061, 3203640094, 6188624199

Basic calculations (n = 128032978)

Multiplication

n×y
n×2 256065956
n×3 384098934
n×4 512131912
n×5 640164890

Division

n÷y
n÷2 64016489
n÷3 42677659.333333
n÷3 32008244.5
n÷5 25606595.6

Exponentiation

ny
n2 16392443455548484
n3 2.0987733523105E+24
n4 2.6871220244335E+32
n5 3.4404023503762E+40

Nth Root

y√n
2√n 11315.165840588
3√n 504.01169715441
4√n 106.37276832248
5√n 41.827737075402

Divisors of 128032978

1, 2, 83, 166, 771283, 1542566, 64016489, 128032978

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128032977
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128032978 can be divided by 8 positive divisors. The sum of these divisors (counting 128032978) is 1, the average is 0.125.

Base conversion 128032978

Base System Value
2 Binary 111101000011010000011010010
3 Ternary 22220220202020011
4 Quaternary 13220122003102
5 Quinary 230234023403
6 Senary 20412105134
8 Octal 750320322
10 Decimal 128032978
12 Duodecimal 36a651aa
16 Hexadecimal 7a1a0d2
20 Vigesimal 200428i
36 Base36 2486vm

Cryptographic Hash Functions

md5 8ffe13c1f82666c12342ec917c9061ad
sha1 990fe137354edd966b8b3d8a6bf80997e044ea6a
sha256 d2eaf2d490bc282fe3495628fe92fb1fc9f70fed6e581d894b5bc4397b383262
sha512 7fbed8c15fb8d0daa01d5f07db3ea56833dfb75c6c603765e581f02148992fdd3616b471783727f415b9ffa3c91f8655faa191467f4f882b14a9eadcd5a8d54f
ripemd-160 5d80d80ee27525736cb0b3067deaddbae2e37f66

128032978 as geometric shapes

Circle

Radius = n
Diameter 256065956
Circumference 804454926.20405
Area 5.1498379934337E+16

Sphere

Radius = n
Volume 8.7913212602248E+24
Surface area 2.0599351973735E+17
Circumference 804454926.20405

Square

Length = n
Perimeter 512131912
Area 16392443455548484
Diagonal 181065973.91862

Cube

Length = n
Surface area 98354660733290904
Volume 2.0987733523105E+24
Space diagonal 221759622.94035

Equilateral Triangle

Length = n
Perimeter 384098934
Area 7.0981362313025E+15
Altitude 110879811.47017

Triangular Pyramid

Length = n
Surface area 7.0981362313025E+15
Volume 2.4734281159873E+23
Height 60355324.639539