128247489 (number)

128247489 is an odd 9-digits composite number following 128247488 and preceding 128247490. In scientific notation, it is written as 1.28247489 × 10^8. The sum of its digits is 45. It has a total of 2 prime factors and 4 positive divisors. There are 85498308 positive integers (up to 128247489) that are relatively prime to 128247489.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million two hundred forty-seven thousand four hundred eighty-nine

Notation

Scientific notation 1.28247489 × 10^8
Engineering notation 1.28247489 × 10^6

Prime Factorization of 128247489

Prime Factorization 27 × 4749907

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 128247489
Product of the distinct prime numbers

The prime factorization of 128247489 is 27 × 4749907. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128247489)

Multiplication

n×y
n×2 256494978
n×3 384742467
n×4 512989956
n×5 641237445

Division

n÷y
n÷2 64123744.5
n÷3 42749163
n÷3 32061872.25
n÷5 25649497.8

Exponentiation

ny
n2 16447418434805121
n3 2.1093401147961E+24
n4 2.7051757316957E+32
n5 3.4693199489371E+40

Nth Root

y√n
2√n 11324.640789005
3√n 504.29301980139
4√n 106.4172955351
5√n 41.841743627059

Divisors of 128247489

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 -128247488
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 128247489 can be divided by 4 positive divisors. The sum of these divisors (counting 128247489) is 1, the average is 0.25.

Base conversion 128247489

Base System Value
2 Binary 111101001001110011011000001
3 Ternary 22221022122111000
4 Quaternary 13221032123001
5 Quinary 230312404424
6 Senary 20420442213
8 Octal 751163301
10 Decimal 128247489
12 Duodecimal 36b49369
16 Hexadecimal 7a4e6c1
20 Vigesimal 201aie9
36 Base36 24cse9

Cryptographic Hash Functions

md5 b91ee9973cceca4f6b568f12198d4904
sha1 a39c7503ca6cbae0b1601c6e118e63d271d51cfb
sha256 69870884d5ade5cfb7399cd0462a36790fbd772415e3fc1d3da4dbdb5c19ffe7
sha512 6dbe75db4431d3d42da528cb5a714d2a1abd792bfd7a5749aa7edcac4a2b02ab757072faf9663f2855dd71fab22b4113a7af8256ce44443e31868559b2e85fd9
ripemd-160 ade6817a09efbe9bb54fa8e8ac621cfca1ad6a5d

128247489 as geometric shapes

Circle

Radius = n
Diameter 256494978
Circumference 805802738.56748
Area 5.1671088925301E+16

Sphere

Radius = n
Volume 8.8355832114208E+24
Surface area 2.066843557012E+17
Circumference 805802738.56748

Square

Length = n
Perimeter 512989956
Area 16447418434805121
Diagonal 181369338.28409

Cube

Length = n
Surface area 98684510608830726
Volume 2.1093401147961E+24
Space diagonal 222131166.89113

Equilateral Triangle

Length = n
Perimeter 384742467
Area 7.1219410956069E+15
Altitude 111065583.44557

Triangular Pyramid

Length = n
Surface area 7.1219410956069E+15
Volume 2.4858811650018E+23
Height 60456446.094698