128496728 (number)

128496728 is an even 9-digits composite number following 128496727 and preceding 128496729. In scientific notation, it is written as 1.28496728 × 10^8. The sum of its digits is 47. It has a total of 6 prime factors and 32 positive divisors. There are 62149920 positive integers (up to 128496728) that are relatively prime to 128496728.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million four hundred ninety-six thousand seven hundred twenty-eight

Notation

Scientific notation 1.28496728 × 10^8
Engineering notation 1.28496728 × 10^6

Prime Factorization of 128496728

Prime Factorization 2 × 2 × 2 × 43 × 107 × 3491

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 32124182
Product of the distinct prime numbers

The prime factorization of 128496728 is 2 × 2 × 2 × 43 × 107 × 3491. Since it has a total of 6 prime factors.

Most popular turbo-numbers

7, 8, 76, 75, 858, 880, 4366, 2083, 61140, 10063, 958695, 695000, 8447754, 9078300, 17034794, 83436779, 751345581, 139646252, 6251069955, 840764869

Basic calculations (n = 128496728)

Multiplication

n×y
n×2 256993456
n×3 385490184
n×4 513986912
n×5 642483640

Division

n÷y
n÷2 64248364
n÷3 42832242.666667
n÷3 32124182
n÷5 25699345.6

Exponentiation

ny
n2 16511409106705984
n3 2.1216620448811E+24
n4 2.7262663068901E+32
n5 3.5031630009203E+40

Nth Root

y√n
2√n 11335.639726103
3√n 504.61949312824
4√n 106.46896132725
5√n 41.857994232817

Divisors of 128496728

1, 2, 4, 8, 43, 86, 107, 172, 214, 344, 428, 856, 3491, 4601, 6982, 9202, 13964, 18404, 27928, 36808, 150113, 300226, 373537, 600452, 747074, 1200904, 1494148, 2988296, 16062091, 32124182, 64248364, 128496728

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128496727
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128496728 can be divided by 32 positive divisors. The sum of these divisors (counting 128496728) is 1, the average is 0.03125.

Base conversion 128496728

Base System Value
2 Binary 111101010001011010001011000
3 Ternary 22221210022101002
4 Quaternary 13222023101120
5 Quinary 230343343403
6 Senary 20430044132
8 Octal 752132130
10 Decimal 128496728
12 Duodecimal 37049648
16 Hexadecimal 7a8b458
20 Vigesimal 20321g8
36 Base36 24i4pk

Cryptographic Hash Functions

md5 82546c79b5fa6fd315541f209c584c09
sha1 2d70f675a965c0c17f0ae65c1eb9227d66ae021b
sha256 e54784e842f6adf946c0509afc86468d6fbd566c7a3a76ecc4e7e8a5af1d6947
sha512 14b52e3de216a9cc54105f5d578c8f1d8b6a0d2f1ed15311c3eee7c2942ff7f9619b6b1bd598e23455f8ebcb2ae3602bc8e8403c7de56939e84d8b7fb15709e0
ripemd-160 f72f03952382e46b458a9785e4f2334b5229b106

128496728 as geometric shapes

Circle

Radius = n
Diameter 256993456
Circumference 807368753.39025
Area 5.1872121550043E+16

Sphere

Radius = n
Volume 8.8871971914651E+24
Surface area 2.0748848620017E+17
Circumference 807368753.39025

Square

Length = n
Perimeter 513986912
Area 16511409106705984
Diagonal 181721815.45817

Cube

Length = n
Surface area 99068454640235904
Volume 2.1216620448811E+24
Space diagonal 222562861.50236

Equilateral Triangle

Length = n
Perimeter 385490184
Area 7.1496498693426E+15
Altitude 111281430.75118

Triangular Pyramid

Length = n
Surface area 7.1496498693426E+15
Volume 2.5004026988693E+23
Height 60573938.486056