128536728 (number)

128536728 is an even 9-digits composite number following 128536727 and preceding 128536729. In scientific notation, it is written as 1.28536728 × 10^8. The sum of its digits is 42. It has a total of 7 prime factors and 64 positive divisors. There are 39461376 positive integers (up to 128536728) that are relatively prime to 128536728.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million five hundred thirty-six thousand seven hundred twenty-eight

Notation

Scientific notation 1.28536728 × 10^8
Engineering notation 1.28536728 × 10^6

Prime Factorization of 128536728

Prime Factorization 2 × 2 × 2 × 3 × 47 × 17 × 6703

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 32134182
Product of the distinct prime numbers

The prime factorization of 128536728 is 2 × 2 × 2 × 3 × 47 × 17 × 6703. Since it has a total of 7 prime factors.

Most popular turbo-numbers

5, 2, 92, 25, 859, 129, 7698, 9339, 65625, 95499, 621205, 802425, 9044110, 5287048, 29759375, 87736021, 107974275, 682956847, 4756258198, 2406245458

Basic calculations (n = 128536728)

Multiplication

n×y
n×2 257073456
n×3 385610184
n×4 514146912
n×5 642683640

Division

n÷y
n÷2 64268364
n÷3 42845576
n÷3 32134182
n÷5 25707345.6

Exponentiation

ny
n2 16521690444945984
n3 2.1236440308222E+24
n4 2.7296625515862E+32
n5 3.5086189292502E+40

Nth Root

y√n
2√n 11337.403935646
3√n 504.67184902853
4√n 106.47724609345
5√n 41.860599919909

Divisors of 128536728

1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 47, 51, 68, 94, 102, 136, 141, 188, 204, 282, 376, 408, 564, 799, 1128, 1598, 2397, 3196, 4794, 6392, 6703, 9588, 13406, 19176, 20109, 26812, 40218, 53624, 80436, 113951, 160872, 227902, 315041, 341853, 455804, 630082, 683706, 911608, 945123, 1260164, 1367412, 1890246, 2520328, 2734824, 3780492, 5355697, 7560984, 10711394, 16067091, 21422788, 32134182, 42845576, 64268364, 128536728

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128536727
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128536728 can be divided by 64 positive divisors. The sum of these divisors (counting 128536728) is 1, the average is 0.015625.

Base conversion 128536728

Base System Value
2 Binary 111101010010101000010011000
3 Ternary 22221212100020120
4 Quaternary 13222111002120
5 Quinary 230401133403
6 Senary 20430553240
8 Octal 752250230
10 Decimal 128536728
12 Duodecimal 37068820
16 Hexadecimal 7a95098
20 Vigesimal 20371g8
36 Base36 24izko

Cryptographic Hash Functions

md5 0fa8b48198a396faedf4bf0d17e41149
sha1 6731da3046df81a7e0ade18c81ac053fdf904733
sha256 5ffdd9f26df35ca696f3092c0b0f5aef3a3a5220bdb5b6403f5441fc56e42a03
sha512 18330dfefd053f5e36e71670a9b9a66f71f7f721dcdeeec24a777936dfad96728c5b4410ed202ff156d88020d1dc8d3ce1ba6437afeed1baeb37686bd46a92fa
ripemd-160 a454cbd65189ca263d0a5dcba187b21120da0580

128536728 as geometric shapes

Circle

Radius = n
Diameter 257073456
Circumference 807620080.80254
Area 5.1904421326727E+16

Sphere

Radius = n
Volume 8.8954993147612E+24
Surface area 2.0761768530691E+17
Circumference 807620080.80254

Square

Length = n
Perimeter 514146912
Area 16521690444945984
Diagonal 181778384.00066

Cube

Length = n
Surface area 99130142669675904
Volume 2.1236440308222E+24
Space diagonal 222632143.53466

Equilateral Triangle

Length = n
Perimeter 385610184
Area 7.1541018193929E+15
Altitude 111316071.76733

Triangular Pyramid

Length = n
Surface area 7.1541018193929E+15
Volume 2.5027384917012E+23
Height 60592794.666887