128976989 is an odd 9-digits prime number following 128976988
and preceding 128976990 . In scientific notation, it is written as 1.28976989 × 10^8.
The sum of its digits is 59. It has a total of 1 prime factors and 2 positive divisors.
There are 128976988 positive integers (up to 128976989) that are relatively prime to 128976989.
128976989 has 2 divisors, whose sum is 128976990
The reverse of 128976989 is 989679821
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 59
Digital Root 5
Name
one hundred twenty-eight million nine hundred seventy-six thousand nine hundred eighty-nine
Scientific notation
1.28976989 × 10^8
Engineering notation
1.28976989 × 10^6
Prime Factorization
128976989
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
128976989
Product of the distinct prime numbers
The prime factorization of 128976989 is 128976989.
Since it has a total of 1 prime factors.
2 , 6 , 93 , 59 , 865 , 717 , 2831 , 7291 , 50410 , 15223 , 818946 , 377346 , 6838394 , 6235159 , 91556714 , 50228446 , 56509940 , 961622518 , 773609169 , 3775717919
n×2
257953978
n×3
386930967
n×4
515907956
n×5
644884945
n÷2
64488494.5
n÷3
42992329.666667
n÷3
32244247.25
n÷5
25795397.8
n2
16635063691506121
n3
2.1455404267537E+24
n4
2.7672534402047E+32
n5
3.5691201651749E+40
2 √n
11356.803643631
3 √n
505.24738916412
4 √n
106.56830506127
5 √n
41.889236702243
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
128976990
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
64488495
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
11356.803687658
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999844934
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128976989 can be divided by 2 positive divisors.
The sum of these divisors (counting 128976989) is 128976990, the average is 64488495.
Base
System
Value
2
Binary
111101100000000100001011101
3
Ternary
22222200201011112
4
Quaternary
13230000201131
5
Quinary
231004230424
6
Senary
20444231405
8
Octal
754004135
10
Decimal
128976989
12
Duodecimal
3723b565
16
Hexadecimal
7b0085d
20
Vigesimal
2062299
36
Base36
24sfa5
md5
f614b0b6168871c72138f268e5b862f0
sha1
7be243679751647bd2894dec20e140f9ef2ce4bb
sha256
8ef98d362fe8103ce6745f2326bb9b2447f57467bb8da2d00d2465a9182498dc
sha512
a1a7bea2adaf26b63c6b8017c4758223d8011dbb3abe8eddf3d1fcfed284b8a8bcb26793619bd05a0031f682f7bb20e97abfa5bc9db199fa58dafea315478e89
ripemd-160
bdfba0f6ac654547bdcad0a11545a59b94f0d80d
Diameter
257953978
Circumference
810386322.24906
Area
5.2260593885234E+16
Volume
8.987218723559E+24
Surface area
2.0904237554094E+17
Circumference
810386322.24906
Perimeter
515907956
Area
16635063691506121
Diagonal
182401007.07785
Surface area
99810382149036726
Volume
2.1455404267537E+24
Space diagonal
223394697.95525
Perimeter
386930967
Area
7.2031938752082E+15
Altitude
111697348.97763
Surface area
7.2031938752082E+15
Volume
2.528543641779E+23
Height
60800335.692615