128549732 is an even 9-digits composite number following 128549731
and preceding 128549733 . In scientific notation, it is written as 1.28549732 × 10^8.
The sum of its digits is 41. It has a total of 4 prime factors and 12 positive divisors.
There are 64222056 positive integers (up to 128549732) that are relatively prime to 128549732.
128549732 has 12 divisors, whose sum is 225146880
The reverse of 128549732 is 237945821
Previous prime number is 1279
Is Prime? no
Number parity even
Number length 9
Sum of Digits 41
Digital Root 5
Name
one hundred twenty-eight million five hundred forty-nine thousand seven hundred thirty-two
Scientific notation
1.28549732 × 10^8
Engineering notation
1.28549732 × 10^6
Prime Factorization
2 × 2 × 1279 × 25127
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
64274866
Product of the distinct prime numbers
The prime factorization of 128549732 is 2 × 2 × 1279 × 25127.
Since it has a total of 4 prime factors.
10 , 10 , 83 , 11 , 981 , 231 , 2490 , 115 , 43258 , 46902 , 202158 , 490041 , 1420686 , 9675244 , 13786436 , 36213930 , 59171055 , 16122010 , 670760016 , 9916545806
n×2
257099464
n×3
385649196
n×4
514198928
n×5
642748660
n÷2
64274866
n÷3
42849910.666667
n÷3
32137433
n÷5
25709946.4
n2
16525033597271824
n3
2.1242886402203E+24
n4
2.7307673539096E+32
n5
3.5103941149943E+40
2 √n
11337.977421039
3 √n
504.68886759207
4 √n
106.47993905445
5 √n
41.861446889055
1 , 2 , 4 , 1279 , 2558 , 5116 , 25127 , 50254 , 100508 , 32137433 , 64274866 , 128549732
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128549731
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128549732 can be divided by 12 positive divisors.
The sum of these divisors (counting 128549732) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101010011000001101100100
3
Ternary
22221220000002012
4
Quaternary
13222120031210
5
Quinary
230402042412
6
Senary
20431133352
8
Octal
752301544
10
Decimal
128549732
12
Duodecimal
37074258
16
Hexadecimal
7a98364
20
Vigesimal
2038e6c
36
Base36
24j9lw
md5
cf8745a0bb5a89ccb798a57cd78b6306
sha1
0cb9d14ebec14c6fe8eed635f0ea84775b48d724
sha256
4cd7d89dc8e1c82f0879c07532bdf1d96fea91a623600091a2fa5fcb5fffd294
sha512
1a4033244b1c144be73828abd7209b28cb66f7c73bdc19689587eff746193dea35aac0fd2b35880e8ed0490112916a4206835f1849a3bc02fac92a45d111e79a
ripemd-160
8f7848683e50903b88978ff88129b52229b7c7fd
Diameter
257099464
Circumference
807701787.34427
Area
5.1914924149514E+16
Volume
8.8981994482937E+24
Surface area
2.0765969659805E+17
Circumference
807701787.34427
Perimeter
514198928
Area
16525033597271824
Diagonal
181796774.43383
Surface area
99150201583630944
Volume
2.1242886402203E+24
Space diagonal
222654667.12336
Perimeter
385649196
Area
7.1555494468144E+15
Altitude
111327333.56168
Surface area
7.1555494468144E+15
Volume
2.5034981711622E+23
Height
60598924.811276