128379904 (number)

128379904 is an even 9-digits composite number following 128379903 and preceding 128379905. In scientific notation, it is written as 1.28379904 × 10^8. The sum of its digits is 43. It has a total of 11 prime factors and 22 positive divisors. There are 64189440 positive integers (up to 128379904) that are relatively prime to 128379904.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28379904 × 10^8
Engineering notation 1.28379904 × 10^6

Prime Factorization of 128379904

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 125371

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 11
Total number of prime factors
rad Radical 250742
Product of the distinct prime numbers

The prime factorization of 128379904 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 125371. Since it has a total of 11 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128379904)

Multiplication

n×y
n×2 256759808
n×3 385139712
n×4 513519616
n×5 641899520

Division

n÷y
n÷2 64189952
n÷3 42793301.333333
n÷3 32094976
n÷5 25675980.8

Exponentiation

ny
n2 16481399751049216
n3 2.1158805178253E+24
n4 2.7163653775389E+32
n5 3.4872672639736E+40

Nth Root

y√n
2√n 11330.485603009
3√n 504.46652025208
4√n 106.44475375992
5√n 41.850380346164

Divisors of 128379904

22 divisors

τ Total Divisors 22
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128379903
Sum of the proper positive divisors of n
A Arithmetic Mean 0.045454545454545
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 22
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128379904 can be divided by 22 positive divisors. The sum of these divisors (counting 128379904) is 1, the average is 0.045454545454545.

Base conversion 128379904

Base System Value
2 Binary 111101001101110110000000000
3 Ternary 22221120101010021
4 Quaternary 13221232300000
5 Quinary 230331124104
6 Senary 20423343224
8 Octal 751566000
10 Decimal 128379904
12 Duodecimal 36bb1b14
16 Hexadecimal 7a6ec00
20 Vigesimal 20279f4
36 Base36 24fmkg

Cryptographic Hash Functions

md5 44e3e929f4344d133b51239da775bfe8
sha1 5ed3660365e635bce9d8505eb327ff770819dc1f
sha256 c40b5e62011c161d2888e0e88826c834f77aeed4668dca81bfc9ffb154c8576b
sha512 8401bfd8a2f947ac4ecc325e850f6bee7f54abd4a79fda31af7e94066985b6bf43092bc6663c4f1adb73cb233ed3519cbad655ca6f4a1a5b781d2c32fe5b6ca6
ripemd-160 86e45536c0669bb3670a2d2e8066477f218aaaef

128379904 as geometric shapes

Circle

Radius = n
Diameter 256759808
Circumference 806634726.54993
Area 5.1777844378773E+16

Sphere

Radius = n
Volume 8.8629795875651E+24
Surface area 2.0711137751509E+17
Circumference 806634726.54993

Square

Length = n
Perimeter 513519616
Area 16481399751049216
Diagonal 181556601.37296

Cube

Length = n
Surface area 98888398506295296
Volume 2.1158805178253E+24
Space diagonal 222360516.39881

Equilateral Triangle

Length = n
Perimeter 385139712
Area 7.1366554371676E+15
Altitude 111180258.19941

Triangular Pyramid

Length = n
Surface area 7.1366554371676E+15
Volume 2.4935891038913E+23
Height 60518867.124319