128837738 is an even 9-digits composite number following 128837737
and preceding 128837739 . In scientific notation, it is written as 1.28837738 × 10^8.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 64418868 positive integers (up to 128837738) that are relatively prime to 128837738.
128837738 has 4 divisors, whose sum is 193256610
The reverse of 128837738 is 837738821
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 47
Digital Root 2
Name
one hundred twenty-eight million eight hundred thirty-seven thousand seven hundred thirty-eight
Scientific notation
1.28837738 × 10^8
Engineering notation
1.28837738 × 10^6
Prime Factorization
2 × 64418869
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128837738
Product of the distinct prime numbers
The prime factorization of 128837738 is 2 × 64418869.
Since it has a total of 2 prime factors.
10 , 6 , 2 , 2 , 902 , 447 , 1830 , 4835 , 7931 , 17686 , 762601 , 913941 , 582365 , 2779991 , 52698244 , 25587437 , 214992462 , 993508639 , 3942835527 , 2811375963
n×2
257675476
n×3
386513214
n×4
515350952
n×5
644188690
n÷2
64418869
n÷3
42945912.666667
n÷3
32209434.5
n÷5
25767547.6
n2
16599162732956644
n3
2.138598579208E+24
n4
2.7553220343518E+32
n5
3.5498945836744E+40
2 √n
11350.671257683
3 √n
505.06549227399
4 √n
106.53952908514
5 √n
41.880187585983
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
-128837737
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 128837738 can be divided by 4 positive divisors.
The sum of these divisors (counting 128837738) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101011011110100001101010
3
Ternary
22222102122011002
4
Quaternary
13223132201222
5
Quinary
230440301423
6
Senary
20441235002
8
Octal
753364152
10
Decimal
128837738
12
Duodecimal
37192a62
16
Hexadecimal
7ade86a
20
Vigesimal
2054e6i
36
Base36
24pfu2
md5
9536f1697824a77d86e7e6c82e462f32
sha1
53d5c81f54f0726f46d5863f9f9cda8be89c6fdc
sha256
c329ac104444e3e5e47dbf5db6fb0055ac1798ea453ecf2e8d33cdcdf616cc01
sha512
25b23a3e5d14ae09c461fdc57360a161a02a3de4d87680e0041092393645627f8ca7c8f7cf8c4df1e92747005bf12dca63689010b8c102e0278da91168cd79db
ripemd-160
60e56fe7336cae84ba2b9fb8398dc2c6309a0184
Diameter
257675476
Circumference
809511382.41185
Area
5.2147807697598E+16
Volume
8.9581407805567E+24
Surface area
2.0859123079039E+17
Circumference
809511382.41185
Perimeter
515350952
Area
16599162732956644
Diagonal
182204076.42507
Surface area
99594976397739864
Volume
2.138598579208E+24
Space diagonal
223153508.14825
Perimeter
386513214
Area
7.1876483041462E+15
Altitude
111576754.07412
Surface area
7.1876483041462E+15
Volume
2.5203625959899E+23
Height
60734692.141691