128540989 (number)

128540989 is an odd 9-digits composite number following 128540988 and preceding 128540990. In scientific notation, it is written as 1.28540989 × 10^8. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 127931580 positive integers (up to 128540989) that are relatively prime to 128540989.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million five hundred forty thousand nine hundred eighty-nine

Notation

Scientific notation 1.28540989 × 10^8
Engineering notation 1.28540989 × 10^6

Prime Factorization of 128540989

Prime Factorization 211 × 609199

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 128540989
Product of the distinct prime numbers

The prime factorization of 128540989 is 211 × 609199. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 7, 76, 57, 804, 112, 2390, 2981, 62240, 61412, 924595, 281788, 3369565, 3708360, 15552216, 6692416, 155289690, 882701677, 2133889239, 1373625482

Basic calculations (n = 128540989)

Multiplication

n×y
n×2 257081978
n×3 385622967
n×4 514163956
n×5 642704945

Division

n÷y
n÷2 64270494.5
n÷3 42846996.333333
n÷3 32135247.25
n÷5 25708197.8

Exponentiation

ny
n2 16522785853098121
n3 2.1238552345924E+24
n4 2.7300245234734E+32
n5 3.5092005224152E+40

Nth Root

y√n
2√n 11337.591851888
3√n 504.67742560061
4√n 106.47812851421
5√n 41.860877452492

Divisors of 128540989

1, 211, 609199, 128540989

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128540988
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128540989 can be divided by 4 positive divisors. The sum of these divisors (counting 128540989) is 1, the average is 0.25.

Base conversion 128540989

Base System Value
2 Binary 111101010010110000100111101
3 Ternary 22221212120002101
4 Quaternary 13222112010331
5 Quinary 230401302424
6 Senary 20431025101
8 Octal 752260475
10 Decimal 128540989
12 Duodecimal 3706b191
16 Hexadecimal 7a9613d
20 Vigesimal 2037c99
36 Base36 24j2v1

Cryptographic Hash Functions

md5 b2f81ac10c09332ac2e15026829a8823
sha1 289210c35d9752036f41cd4c33065b928cf655ef
sha256 e40e69b765f506b2ff63f34c0212e02bc6227c426d6d0d5ae1b29188d93a7a33
sha512 b329e5375ec21de63298214f3ada954576b614aa94be92205fbe144e65195d7709e5c6d2baaea1c7233de9f47bb67240695b272ff3c16e46a35b8aaf062934be
ripemd-160 0abe823e6a57cf99b651a196d5b81cdf9ca7c38a

128540989 as geometric shapes

Circle

Radius = n
Diameter 257081978
Circumference 807646853.45513
Area 5.190786265293E+16

Sphere

Radius = n
Volume 8.8963840030451E+24
Surface area 2.0763145061172E+17
Circumference 807646853.45513

Square

Length = n
Perimeter 514163956
Area 16522785853098121
Diagonal 181784409.96465

Cube

Length = n
Surface area 99136715118588726
Volume 2.1238552345924E+24
Space diagonal 222639523.80315

Equilateral Triangle

Length = n
Perimeter 385622967
Area 7.1545761450366E+15
Altitude 111319761.90158

Triangular Pyramid

Length = n
Surface area 7.1545761450366E+15
Volume 2.5029873977314E+23
Height 60594803.32155