128695983 is an odd 9-digits composite number following 128695982
and preceding 128695984 . In scientific notation, it is written as 1.28695983 × 10^8.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 78876000 positive integers (up to 128695983) that are relatively prime to 128695983.
128695983 has 16 divisors, whose sum is 185544576
The reverse of 128695983 is 389596821
Previous prime number is 251
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 51
Digital Root 6
Name
one hundred twenty-eight million six hundred ninety-five thousand nine hundred eighty-three
Scientific notation
1.28695983 × 10^8
Engineering notation
1.28695983 × 10^6
Prime Factorization
13 × 3 × 251 × 13147
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128695983
Product of the distinct prime numbers
The prime factorization of 128695983 is 13 × 3 × 251 × 13147.
Since it has a total of 4 prime factors.
10 , 10 , 23 , 71 , 13 , 504 , 9404 , 6642 , 95749 , 33824 , 573111 , 524498 , 2770713 , 7721505 , 50020972 , 5229665 , 44859353 , 304213962 , 9484383499 , 5100597311
n×2
257391966
n×3
386087949
n×4
514783932
n×5
643479915
n÷2
64347991.5
n÷3
42898661
n÷3
32173995.75
n÷5
25739196.6
n2
16562656040336289
n3
2.131547300202E+24
n4
2.7432157511049E+32
n5
3.5304084766953E+40
2 √n
11344.425194782
3 √n
504.88018985681
4 √n
106.5102116925
5 √n
41.870967708971
1 , 3 , 13 , 39 , 251 , 753 , 3263 , 9789 , 13147 , 39441 , 170911 , 512733 , 3299897 , 9899691 , 42898661 , 128695983
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128695982
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128695983 can be divided by 16 positive divisors.
The sum of these divisors (counting 128695983) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101010111011111010101111
3
Ternary
22222011102200220
4
Quaternary
13222323322233
5
Quinary
230421232413
6
Senary
20434222423
8
Octal
752737257
10
Decimal
128695983
12
Duodecimal
37124a13
16
Hexadecimal
7abbeaf
20
Vigesimal
2046jj3
36
Base36
24megf
md5
4785368ce05961da7bb0f6ce3e942631
sha1
6939f8975530ad17cfb4e1e4acee63c36f426893
sha256
b01d62eefb8f65d770be2a2712b42514989d4840bcaf06607f8e4c2dcd667ac0
sha512
7e56ab6c898de9b9d2a1c2cce318f71dbe881b776493d222df2c140c0552f06aafbba8c56d95eefebdafc421ddcb9fe5dea8af326b1a65b27f34d2cd504ab626
ripemd-160
666ec203e3a40d73ab0f8abac236b08c0bee1098
Diameter
257391966
Circumference
808620709.47863
Area
5.2033118540255E+16
Volume
8.9286044521249E+24
Surface area
2.0813247416102E+17
Circumference
808620709.47863
Perimeter
514783932
Area
16562656040336289
Diagonal
182003604.58154
Surface area
99375936242017734
Volume
2.131547300202E+24
Space diagonal
222907981.28602
Perimeter
386087949
Area
7.1718404425375E+15
Altitude
111453990.64301
Surface area
7.1718404425375E+15
Volume
2.5120525839878E+23
Height
60667868.193846