128707225 is an odd 9-digits composite number following 128707224
and preceding 128707226 . In scientific notation, it is written as 1.28707225 × 10^8.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 102965760 positive integers (up to 128707225) that are relatively prime to 128707225.
128707225 has 4 divisors, whose sum is 133855540
The reverse of 128707225 is 522707821
Previous prime number is 25
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 34
Digital Root 7
Name
one hundred twenty-eight million seven hundred seven thousand two hundred twenty-five
Scientific notation
1.28707225 × 10^8
Engineering notation
1.28707225 × 10^6
Prime Factorization
25 × 5148289
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128707225
Product of the distinct prime numbers
The prime factorization of 128707225 is 25 × 5148289.
Since it has a total of 2 prime factors.
6 , 5 , 28 , 64 , 157 , 594 , 9255 , 8791 , 72109 , 96401 , 16762 , 166018 , 125135 , 6349717 , 24971421 , 74064105 , 477678011 , 573003099 , 4061889002 , 5573241923
n×2
257414450
n×3
386121675
n×4
514828900
n×5
643536125
n÷2
64353612.5
n÷3
42902408.333333
n÷3
32176806.25
n÷5
25741445
n2
16565549767200625
n3
2.1321059411358E+24
n4
2.744174390896E+32
n5
3.5319507076829E+40
2 √n
11344.920669621
3 √n
504.89489038773
4 √n
106.51253761704
5 √n
41.871699195629
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
-128707224
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 128707225 can be divided by 4 positive divisors.
The sum of these divisors (counting 128707225) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101010111110101010011001
3
Ternary
22222012000010021
4
Quaternary
13222332222121
5
Quinary
230422112400
6
Senary
20434350441
8
Octal
752765231
10
Decimal
128707225
12
Duodecimal
3712b421
16
Hexadecimal
7abea99
20
Vigesimal
2048815
36
Base36
24mn4p
md5
ae0602d54c1178366d231d0f626821e3
sha1
1c7d7ba56c6044ee57dad51dc2859891db433945
sha256
b6bd721ce453dc6a736e4a8af65bbfd37fa8d1d53b3904438203c8d2245795d9
sha512
2204c6e2192d1f87a1a3871a979c55612c0b7506b808bd53e39ec36d04fe5ef13521a9e5752ec8bc97ac54a290f1d257cf07b5eb9020bff5da2217a6458404cb
ripemd-160
bc952e75824ff7c5e09313d403a76b3401a9259f
Diameter
257414450
Circumference
808691345.04786
Area
5.2042209451314E+16
Volume
8.9309444817965E+24
Surface area
2.0816883780525E+17
Circumference
808691345.04786
Perimeter
514828900
Area
16565549767200625
Diagonal
182019503.17041
Surface area
99393298603203750
Volume
2.1321059411358E+24
Space diagonal
222927453.0012
Perimeter
386121675
Area
7.1730934630256E+15
Altitude
111463726.5006
Surface area
7.1730934630256E+15
Volume
2.5127109486421E+23
Height
60673167.723468