128247181 is an odd 9-digits prime number following 128247180
and preceding 128247182 . In scientific notation, it is written as 1.28247181 × 10^8.
The sum of its digits is 34. It has a total of 1 prime factors and 2 positive divisors.
There are 128247180 positive integers (up to 128247181) that are relatively prime to 128247181.
128247181 has 2 divisors, whose sum is 128247182
The reverse of 128247181 is 181742821
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 34
Digital Root 7
Name
one hundred twenty-eight million two hundred forty-seven thousand one hundred eighty-one
Scientific notation
1.28247181 × 10^8
Engineering notation
1.28247181 × 10^6
Prime Factorization
128247181
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
128247181
Product of the distinct prime numbers
The prime factorization of 128247181 is 128247181.
Since it has a total of 1 prime factors.
1 , 1 , 26 , 27 , 444 , 756 , 6257 , 8464 , 28451 , 68465 , 524936 , 276821 , 7473937 , 6043573 , 14345799 , 82952423 , 419489985 , 781026384 , 9255193506 , 298101942
n×2
256494362
n×3
384741543
n×4
512988724
n×5
641235905
n÷2
64123590.5
n÷3
42749060.333333
n÷3
32061795.25
n÷5
25649436.2
n2
16447339434446761
n3
2.1093249174179E+24
n4
2.7051497447191E+32
n5
3.4692782894309E+40
2 √n
11324.627190332
3 √n
504.2926160966
4 √n
106.41723164193
5 √n
41.841723529559
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
128247182
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
64123591
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
11324.627234483
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999844051
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128247181 can be divided by 2 positive divisors.
The sum of these divisors (counting 128247181) is 128247182, the average is 64123591.
Base
System
Value
2
Binary
111101001001110010110001101
3
Ternary
22221022122001121
4
Quaternary
13221032112031
5
Quinary
230312402211
6
Senary
20420440541
8
Octal
751162615
10
Decimal
128247181
12
Duodecimal
36b49151
16
Hexadecimal
7a4e58d
20
Vigesimal
201ahj1
36
Base36
24cs5p
md5
9f8ea5dbd8a126931c5c0ed505848b56
sha1
6a2cdbf4f12e35ecf546e636aef7858494b5a8ee
sha256
cf03dc724e0b215148a3414c256753e81e05c6a816052e232faa8a66101d1b94
sha512
58e41909c755a45ab1e9163110a4955e658205a48311528c5dcf0099ba82d2f06d6fed8589fc5933fd73a51a189d7dffaa0c87c488135841ab761bc5e2fc0087
ripemd-160
d6dc86ad7dbf17e843dd3b8b898b60bf47692b3b
Diameter
256494362
Circumference
805800803.3464
Area
5.1670840738356E+16
Volume
8.8355195527921E+24
Surface area
2.0668336295342E+17
Circumference
805800803.3464
Perimeter
512988724
Area
16447339434446761
Diagonal
181368902.70632
Surface area
98684036606680566
Volume
2.1093249174179E+24
Space diagonal
222130633.41948
Perimeter
384741543
Area
7.1219068874482E+15
Altitude
111065316.70974
Surface area
7.1219068874482E+15
Volume
2.48586325472E+23
Height
60456300.902106