128328691 (number)

128328691 is an odd 9-digits composite number following 128328690 and preceding 128328692. In scientific notation, it is written as 1.28328691 × 10^8. The sum of its digits is 40. It has a total of 3 prime factors and 6 positive divisors. There are 124859016 positive integers (up to 128328691) that are relatively prime to 128328691.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million three hundred twenty-eight thousand six hundred ninety-one

Notation

Scientific notation 1.28328691 × 10^8
Engineering notation 1.28328691 × 10^6

Prime Factorization of 128328691

Prime Factorization 37 × 37 × 93739

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 3468343
Product of the distinct prime numbers

The prime factorization of 128328691 is 37 × 37 × 93739. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 5, 30, 54, 994, 170, 7691, 3691, 15005, 42694, 913553, 571519, 3716159, 5976453, 62165074, 74286776, 281181918, 496549780, 6877055990, 7314884934

Basic calculations (n = 128328691)

Multiplication

n×y
n×2 256657382
n×3 384986073
n×4 513314764
n×5 641643455

Division

n÷y
n÷2 64164345.5
n÷3 42776230.333333
n÷3 32082172.75
n÷5 25665738.2

Exponentiation

ny
n2 16468252933773481
n3 2.1133493420481E+24
n4 2.7120335469074E+32
n5 3.4803171502271E+40

Nth Root

y√n
2√n 11328.225412658
3√n 504.39943114328
4√n 106.43413650074
5√n 41.847040842798

Divisors of 128328691

1, 37, 1369, 93739, 3468343, 128328691

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 -128328690
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 128328691 can be divided by 6 positive divisors. The sum of these divisors (counting 128328691) is 1, the average is 0.16666666666667.

Base conversion 128328691

Base System Value
2 Binary 111101001100010001111110011
3 Ternary 22221110202212111
4 Quaternary 13221202033303
5 Quinary 230323004231
6 Senary 20422310151
8 Octal 751421763
10 Decimal 128328691
12 Duodecimal 36b88357
16 Hexadecimal 7a623f3
20 Vigesimal 20211eb
36 Base36 24ej1v

Cryptographic Hash Functions

md5 2b096227d4d21728f00d139595917c5f
sha1 8e4e1c1531de5331fc13f795cbeec9cfffa17e2e
sha256 aa570bcd6d4b107930696a7021f3f8677d559d4fb998289906768589ce221019
sha512 4b3c972194ac4b569f91a16d5938b7be251aa7e462848f687bc175ab23d3cf47a30eb8f01dab47a1860583b0d174e1e6389c4dfa22bca5009a5a4279f2707151
ripemd-160 d1b9ff3f4b2d3f01a71afd63930889415cd65530

128328691 as geometric shapes

Circle

Radius = n
Diameter 256657382
Circumference 806312945.78079
Area 5.1736542434201E+16

Sphere

Radius = n
Volume 8.8523770232627E+24
Surface area 2.0694616973681E+17
Circumference 806312945.78079

Square

Length = n
Perimeter 513314764
Area 16468252933773481
Diagonal 181484175.25379

Cube

Length = n
Surface area 98809517602640886
Volume 2.1133493420481E+24
Space diagonal 222271812.88081

Equilateral Triangle

Length = n
Perimeter 384986073
Area 7.1309626982977E+15
Altitude 111135906.4404

Triangular Pyramid

Length = n
Surface area 7.1309626982977E+15
Volume 2.4906060846305E+23
Height 60494725.084595