128425972 (number)

128425972 is an even 9-digits composite number following 128425971 and preceding 128425973. In scientific notation, it is written as 1.28425972 × 10^8. The sum of its digits is 40. It has a total of 3 prime factors and 6 positive divisors. There are 64212984 positive integers (up to 128425972) that are relatively prime to 128425972.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28425972 × 10^8
Engineering notation 1.28425972 × 10^6

Prime Factorization of 128425972

Prime Factorization 2 × 2 × 32106493

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 64212986
Product of the distinct prime numbers

The prime factorization of 128425972 is 2 × 2 × 32106493. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 10, 66, 34, 462, 187, 414, 4365, 69510, 96246, 704098, 601217, 4771747, 5298328, 8457974, 99154517, 72381815, 959058517, 3127353972, 3015268743

Basic calculations (n = 128425972)

Multiplication

n×y
n×2 256851944
n×3 385277916
n×4 513703888
n×5 642129860

Division

n÷y
n÷2 64212986
n÷3 42808657.333333
n÷3 32106493
n÷5 25685194.4

Exponentiation

ny
n2 16493230284144784
n3 2.1181591306611E+24
n4 2.7202664520583E+32
n5 3.4935286320458E+40

Nth Root

y√n
2√n 11332.518343246
3√n 504.52685416128
4√n 106.45430166623
5√n 41.85338344336

Divisors of 128425972

1, 2, 4, 32106493, 64212986, 128425972

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128425971
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128425972 can be divided by 6 positive divisors. The sum of these divisors (counting 128425972) is 1, the average is 0.16666666666667.

Base conversion 128425972

Base System Value
2 Binary 111101001111001111111110100
3 Ternary 22221122201022111
4 Quaternary 13221321333310
5 Quinary 230334112342
6 Senary 20424340404
8 Octal 751717764
10 Decimal 128425972
12 Duodecimal 37014704
16 Hexadecimal 7a79ff4
20 Vigesimal 202d4ic
36 Base36 24gm44

Cryptographic Hash Functions

md5 9cc1eb1451e5113b304f879ad36d30af
sha1 164f1d1c0c1242c1df72540c0feebb1ca6d63ec1
sha256 0826daaae5837bb950617aff9c6af573d01c53a482862a4ac416bb7df44daed1
sha512 ba67d6760982f8d18aa3496a0ca2b3af9f3d111c32f33fc63b851fcc4f8e39d61109527aab5c3553ff4c1d5254ee8af425597540754a23e962291e8192fa462f
ripemd-160 a5242e8566bb6c7900541ff67f211d9d9ca687f1

128425972 as geometric shapes

Circle

Radius = n
Diameter 256851944
Circumference 806924180.33066
Area 5.1815011094634E+16

Sphere

Radius = n
Volume 8.8725242186922E+24
Surface area 2.0726004437854E+17
Circumference 806924180.33066

Square

Length = n
Perimeter 513703888
Area 16493230284144784
Diagonal 181621751.36335

Cube

Length = n
Surface area 98959381704868704
Volume 2.1181591306611E+24
Space diagonal 222440308.51542

Equilateral Triangle

Length = n
Perimeter 385277916
Area 7.1417782082681E+15
Altitude 111220154.25771

Triangular Pyramid

Length = n
Surface area 7.1417782082681E+15
Volume 2.4962744748711E+23
Height 60540583.787782