128958640 (number)

128958640 is an even 9-digits composite number following 128958639 and preceding 128958641. In scientific notation, it is written as 1.28958640 × 10^8. The sum of its digits is 43. It has a total of 7 prime factors and 40 positive divisors. There are 51207936 positive integers (up to 128958640) that are relatively prime to 128958640.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million nine hundred fifty-eight thousand six hundred forty

Notation

Scientific notation 1.28958640 × 10^8
Engineering notation 1.28958640 × 10^6

Prime Factorization of 128958640

Prime Factorization 2 × 2 × 2 × 2 × 5 × 139 × 11597

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 16119830
Product of the distinct prime numbers

The prime factorization of 128958640 is 2 × 2 × 2 × 2 × 5 × 139 × 11597. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128958640)

Multiplication

n×y
n×2 257917280
n×3 386875920
n×4 515834560
n×5 644793200

Division

n÷y
n÷2 64479320
n÷3 42986213.333333
n÷3 32239660
n÷5 25791728

Exponentiation

ny
n2 16630330830649600
n3 2.1446248466706E+24
n4 2.7656790353685E+32
n5 3.5665820707764E+40

Nth Root

y√n
2√n 11355.995773159
3√n 505.22342823877
4√n 106.56451460575
5√n 41.888044754201

Divisors of 128958640

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128958639
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128958640 can be divided by 40 positive divisors. The sum of these divisors (counting 128958640) is 1, the average is 0.025.

Base conversion 128958640

Base System Value
2 Binary 111101011111100000010110000
3 Ternary 22222122202222221
4 Quaternary 13223330002300
5 Quinary 231003134030
6 Senary 20444010424
8 Octal 753740260
10 Decimal 128958640
12 Duodecimal 37230a14
16 Hexadecimal 7afc0b0
20 Vigesimal 205jgc0
36 Base36 24s14g

Cryptographic Hash Functions

md5 16536788b67b81e007eb34e5e379ff69
sha1 e715e7cea60e520247f74cf110ec0e2975d60546
sha256 97ebc406f207377be6e39b7d12fa35650fc40027329d8d3ed8f850738171e28c
sha512 065cbe702a0a9e732161beb0e746471afb42f3dd8ed0780d536b3616b0058d9799c7df5a9f39b429057ef0257175118adaa9bbb27d582970752d699cbe6aac56
ripemd-160 db57070c7f388b67752fbd7a57f1c0dcec1dea39

128958640 as geometric shapes

Circle

Radius = n
Diameter 257917280
Circumference 810271032.08186
Area 5.2245725164337E+16

Sphere

Radius = n
Volume 8.9833835506755E+24
Surface area 2.0898290065735E+17
Circumference 810271032.08186

Square

Length = n
Perimeter 515834560
Area 16630330830649600
Diagonal 182375057.67319

Cube

Length = n
Surface area 99781984983897600
Volume 2.1446248466706E+24
Space diagonal 223362916.55498

Equilateral Triangle

Length = n
Perimeter 386875920
Area 7.2011444863411E+15
Altitude 111681458.27749

Triangular Pyramid

Length = n
Surface area 7.2011444863411E+15
Volume 2.5274646203033E+23
Height 60791685.891063