128137715 is an odd 9-digits composite number following 128137714
and preceding 128137716 . In scientific notation, it is written as 1.28137715 × 10^8.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 98053120 positive integers (up to 128137715) that are relatively prime to 128137715.
128137715 has 8 divisors, whose sum is 160450848
The reverse of 128137715 is 517731821
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 35
Digital Root 8
Name
one hundred twenty-eight million one hundred thirty-seven thousand seven hundred fifteen
Scientific notation
1.28137715 × 10^8
Engineering notation
1.28137715 × 10^6
Prime Factorization
5 × 23 × 1114241
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
128137715
Product of the distinct prime numbers
The prime factorization of 128137715 is 5 × 23 × 1114241.
Since it has a total of 3 prime factors.
1 , 5 , 44 , 85 , 172 , 115 , 8901 , 1636 , 82254 , 52135 , 224987 , 137456 , 4894145 , 9400835 , 68332391 , 10338616 , 405094601 , 263004755 , 4465540319 , 6997678265
n×2
256275430
n×3
384413145
n×4
512550860
n×5
640688575
n÷2
64068857.5
n÷3
42712571.666667
n÷3
32034428.75
n÷5
25627543
n2
16419274005421225
n3
2.1039282530136E+24
n4
2.695925588651E+32
n5
3.4544974473977E+40
2 √n
11319.79306348
3 √n
504.14909478937
4 √n
106.39451613443
5 √n
41.834578248595
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
-128137714
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 128137715 can be divided by 8 positive divisors.
The sum of these divisors (counting 128137715) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101000110011100111110011
3
Ternary
22221010001220022
4
Quaternary
13220303213303
5
Quinary
230300401330
6
Senary
20414234055
8
Octal
750634763
10
Decimal
128137715
12
Duodecimal
36ab592b
16
Hexadecimal
7a339f3
20
Vigesimal
200h45f
36
Base36
24afoz
md5
40c2080566e13c030bdad77e996c58a7
sha1
221177b3eb3297233d42ed0c678464cc413ebe8c
sha256
e6f4c1c5a1907ca5d933640b929e55e09d8b83b07ed5d678e1864dc96b2611eb
sha512
6c7d210aaf85e7aecf612edc8a3ddf46247ba757c4d98f5f67187117da0036ddcd6f5f1ab180261658f7db064ed34da743a9a1c372d67b21e1a8c4f89db240a4
ripemd-160
953ee0645ae45e75969b5de6df05866e97157feb
Diameter
256275430
Circumference
805113008.18357
Area
5.1582670592709E+16
Volume
8.8129140577966E+24
Surface area
2.0633068237084E+17
Circumference
805113008.18357
Perimeter
512550860
Area
16419274005421225
Diagonal
181214094.4045
Surface area
98515644032527350
Volume
2.1039282530136E+24
Space diagonal
221941032.74578
Perimeter
384413145
Area
7.1097542001961E+15
Altitude
110970516.37289
Surface area
7.1097542001961E+15
Volume
2.4795032247264E+23
Height
60404698.134833