128889 (number)

128889 is an odd 6-digits composite number following 128888 and preceding 128890. In scientific notation, it is written as 1.28889 × 10^5. The sum of its digits is 36. It has a total of 2 prime factors and 4 positive divisors. There are 85920 positive integers (up to 128889) that are relatively prime to 128889.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight thousand eight hundred eighty-nine

Notation

Scientific notation 1.28889 × 10^5
Engineering notation 1.28889 × 10^3

Prime Factorization of 128889

Prime Factorization 9 × 14321

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 128889
Product of the distinct prime numbers

The prime factorization of 128889 is 9 × 14321. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128889)

Multiplication

n×y
n×2 257778
n×3 386667
n×4 515556
n×5 644445

Division

n÷y
n÷2 64444.5
n÷3 42963
n÷3 32222.25
n÷5 25777.8

Exponentiation

ny
n2 16612374321
n3 2141152313859369
n4 2.7597098058102E+20
n5 3.5569623716107E+25

Nth Root

y√n
2√n 359.01114188838
3√n 50.513246859793
4√n 18.947589342404
5√n 10.520664487891

Divisors of 128889

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 -128888
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 128889 can be divided by 4 positive divisors. The sum of these divisors (counting 128889) is 1, the average is 0.25.

Base conversion 128889

Base System Value
2 Binary 11111011101111001
3 Ternary 20112210200
4 Quaternary 133131321
5 Quinary 13111024
6 Senary 2432413
8 Octal 373571
10 Decimal 128889
12 Duodecimal 62709
16 Hexadecimal 1f779
20 Vigesimal g249
36 Base36 2rg9

Cryptographic Hash Functions

md5 12abfd2beaed4e9530bb726cc44deab5
sha1 6f3d23c1e82fd73820d37d1ee049b057a9a8e707
sha256 b4ae20fc0af6cf0ae3ece8d3653c00168e3cc5c01aebd3a159f6d593d106a8f6
sha512 7cab73e96d605f7f4b7a68ce3f1f9ef15ebfc696966aee91c35edc46389f75c5afe57538c538104bfc701384814b6b71af82a8b1e54b1986111d38e4a4e7335d
ripemd-160 497da870146d92f4ba04df21837b04f894847e17

128889 as geometric shapes

Circle

Radius = n
Diameter 257778
Circumference 809833.47105707
Area 52189313125.537

Sphere

Radius = n
Volume 8.9688378392498E+15
Surface area 208757252502.15
Circumference 809833.47105707

Square

Length = n
Perimeter 515556
Area 16612374321
Diagonal 182276.57184071

Cube

Length = n
Surface area 99674245926
Volume 2141152313859369
Space diagonal 223242.29653675

Equilateral Triangle

Length = n
Perimeter 386667
Area 7193369089.5811
Altitude 111621.14826837

Triangular Pyramid

Length = n
Surface area 7193369089.5811
Volume 2.5233722011387E+14
Height 60758.857280235