128839684 (number)

128839684 is an even 9-digits composite number following 128839683 and preceding 128839685. In scientific notation, it is written as 1.28839684 × 10^8. The sum of its digits is 49. It has a total of 4 prime factors and 12 positive divisors. There are 61029288 positive integers (up to 128839684) that are relatively prime to 128839684.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million eight hundred thirty-nine thousand six hundred eighty-four

Notation

Scientific notation 1.28839684 × 10^8
Engineering notation 1.28839684 × 10^6

Prime Factorization of 128839684

Prime Factorization 2 × 2 × 19 × 1695259

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 64419842
Product of the distinct prime numbers

The prime factorization of 128839684 is 2 × 2 × 19 × 1695259. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 5, 78, 68, 949, 740, 5474, 4524, 55278, 68828, 266534, 656370, 5910642, 5943349, 50199940, 37953661, 456440254, 622305036, 4276312751, 8300627449

Basic calculations (n = 128839684)

Multiplication

n×y
n×2 257679368
n×3 386519052
n×4 515358736
n×5 644198420

Division

n÷y
n÷2 64419842
n÷3 42946561.333333
n÷3 32209921
n÷5 25767936.8

Exponentiation

ny
n2 16599664173219856
n3 2.1386954865838E+24
n4 2.7554885066368E+32
n5 3.5501626846072E+40

Nth Root

y√n
2√n 11350.756979162
3√n 505.06803514307
4√n 106.53993138332
5√n 41.880314099152

Divisors of 128839684

1, 2, 4, 19, 38, 76, 1695259, 3390518, 6781036, 32209921, 64419842, 128839684

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128839683
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128839684 can be divided by 12 positive divisors. The sum of these divisors (counting 128839684) is 1, the average is 0.083333333333333.

Base conversion 128839684

Base System Value
2 Binary 111101011011111000000000100
3 Ternary 22222102201211011
4 Quaternary 13223133000010
5 Quinary 230440332214
6 Senary 20441252004
8 Octal 753370004
10 Decimal 128839684
12 Duodecimal 37194004
16 Hexadecimal 7adf004
20 Vigesimal 2054j44
36 Base36 24phc4

Cryptographic Hash Functions

md5 00b60be3863dd2155b5c3ab35e61269d
sha1 6fdba0e272e3087ae5c953dfe2144b96790419b6
sha256 502573e1941d9fded049bf6a1480be05a1a9164507250e4b16ff9c5cb6e4decd
sha512 4b20f1647f88d6fcede17debe7b642e44f2aa0adff9aa9d9634893918d82440167e9af2763476b63708d8bf1a7a5d752fbf05f59770ec38885f10889b217d545
ripemd-160 15d85b03a15892ce087235dbce56439ed8a97ae3

128839684 as geometric shapes

Circle

Radius = n
Diameter 257679368
Circumference 809523609.49046
Area 5.2149383018645E+16

Sphere

Radius = n
Volume 8.9585467052229E+24
Surface area 2.0859753207458E+17
Circumference 809523609.49046

Square

Length = n
Perimeter 515358736
Area 16599664173219856
Diagonal 182206828.48466

Cube

Length = n
Surface area 99597985039319136
Volume 2.1386954865838E+24
Space diagonal 223156878.71912

Equilateral Triangle

Length = n
Perimeter 386519052
Area 7.1878654341494E+15
Altitude 111578439.35956

Triangular Pyramid

Length = n
Surface area 7.1878654341494E+15
Volume 2.5204768024274E+23
Height 60735609.494888