128994038 is an even 9-digits composite number following 128994037
and preceding 128994039 . In scientific notation, it is written as 1.28994038 × 10^8.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 61087080 positive integers (up to 128994038) that are relatively prime to 128994038.
128994038 has 8 divisors, whose sum is 193628232
The reverse of 128994038 is 830499821
Previous prime number is 1457
Is Prime? no
Number parity even
Number length 9
Sum of Digits 44
Digital Root 8
Name
one hundred twenty-eight million nine hundred ninety-four thousand thirty-eight
Scientific notation
1.28994038 × 10^8
Engineering notation
1.28994038 × 10^6
Prime Factorization
2 × 1457 × 44267
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
128994038
Product of the distinct prime numbers
The prime factorization of 128994038 is 2 × 1457 × 44267.
Since it has a total of 3 prime factors.
6 , 4 , 46 , 32 , 646 , 636 , 121 , 5951 , 29412 , 27728 , 310997 , 576907 , 6851061 , 427926 , 24236835 , 12847783 , 857381058 , 51847504 , 9352643806 , 4790873709
n×2
257988076
n×3
386982114
n×4
515976152
n×5
644970190
n÷2
64497019
n÷3
42998012.666667
n÷3
32248509.5
n÷5
25798807.6
n2
16639461839545444
n3
2.1463913728299E+24
n4
2.7687169030969E+32
n5
3.5714797340932E+40
2 √n
11357.554226153
3 √n
505.26965045606
4 √n
106.57182660606
5 √n
41.890344080921
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128994037
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128994038 can be divided by 8 positive divisors.
The sum of these divisors (counting 128994038) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101100000100101011110110
3
Ternary
22222201120112222
4
Quaternary
13230010223312
5
Quinary
231010302123
6
Senary
20444442342
8
Octal
754045366
10
Decimal
128994038
12
Duodecimal
372493b2
16
Hexadecimal
7b04af6
20
Vigesimal
206451i
36
Base36
24ssfq
md5
4b4c66f781dabe59bbe9cec76d24ad24
sha1
8d58a4f08462db1de721360820049868c844e7ee
sha256
8ee247115f03979ceb5e072f56e38e98c463e1bdc3fd86480702a2ebe400a076
sha512
dcfb6622320ffed50d37c008b7917498b7c0ebc26f2a16817091a45265e2f32eeb24c0dff0bac2bbdf395991bd388a7eccf5bd6f413c41b35bab99b2d9079b8f
ripemd-160
5731d1e3fae9ce7260563f731fe67d5363288a43
Diameter
257988076
Circumference
810493444.27537
Area
5.2274411074804E+16
Volume
8.9907831581478E+24
Surface area
2.0909764429921E+17
Circumference
810493444.27537
Perimeter
515976152
Area
16639461839545444
Diagonal
182425118.00487
Surface area
99836771037272664
Volume
2.1463913728299E+24
Space diagonal
223424227.68947
Perimeter
386982114
Area
7.205098329174E+15
Altitude
111712113.84474
Surface area
7.205098329174E+15
Volume
2.5295464913472E+23
Height
60808372.66829