128698532 is an even 9-digits composite number following 128698531
and preceding 128698533 . In scientific notation, it is written as 1.28698532 × 10^8.
The sum of its digits is 44. It has a total of 4 prime factors and 12 positive divisors.
There are 63294240 positive integers (up to 128698532) that are relatively prime to 128698532.
128698532 has 12 divisors, whose sum is 228915036
The reverse of 128698532 is 235896821
Previous prime number is 61
Is Prime? no
Number parity even
Number length 9
Sum of Digits 44
Digital Root 8
Name
one hundred twenty-eight million six hundred ninety-eight thousand five hundred thirty-two
Scientific notation
1.28698532 × 10^8
Engineering notation
1.28698532 × 10^6
Prime Factorization
2 × 2 × 61 × 527453
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
64349266
Product of the distinct prime numbers
The prime factorization of 128698532 is 2 × 2 × 61 × 527453.
Since it has a total of 4 prime factors.
4 , 10 , 6 , 99 , 977 , 774 , 216 , 1140 , 89261 , 35388 , 922228 , 999114 , 1587748 , 5050086 , 91305058 , 5121239 , 761319745 , 411678759 , 2370683164 , 4492609996
n×2
257397064
n×3
386095596
n×4
514794128
n×5
643492660
n÷2
64349266
n÷3
42899510.666667
n÷3
32174633
n÷5
25739706.4
n2
16563312138955024
n3
2.1316739573413E+24
n4
2.7434330901245E+32
n5
3.5307581133925E+40
2 √n
11344.537540156
3 √n
504.88352311575
4 √n
106.5107390837
5 √n
41.871133570016
1 , 2 , 4 , 61 , 122 , 244 , 527453 , 1054906 , 2109812 , 32174633 , 64349266 , 128698532
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
-128698531
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 128698532 can be divided by 12 positive divisors.
The sum of these divisors (counting 128698532) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101010111100100010100100
3
Ternary
22222011120012022
4
Quaternary
13222330202210
5
Quinary
230421323112
6
Senary
20434242312
8
Octal
752744244
10
Decimal
128698532
12
Duodecimal
37126398
16
Hexadecimal
7abc8a4
20
Vigesimal
204766c
36
Base36
24mgf8
md5
b42e23c3dd7da869b6c71ec34c3c8df7
sha1
4a2c1ec278f1d2ec7e2827395931ba4b231088cc
sha256
a2ce56f3cf282faa338363c84e27bb1ea6e664f10d40b3636d5060287537d300
sha512
9163a9bdd9567e5d389c9f17362f535899d8a458089fa43f67941cc74e9c6e6295dcb6bfbc0c0303acaaba51bb7ccca5db5b8243777e0a6851b1da1c0288e7d0
ripemd-160
d8a7771c8024ea3705c6b1392c46fcf0c904827d
Diameter
257397064
Circumference
808636725.31798
Area
5.2035179734856E+16
Volume
8.9291349923094E+24
Surface area
2.0814071893942E+17
Circumference
808636725.31798
Perimeter
514794128
Area
16563312138955024
Diagonal
182007209.41191
Surface area
99379872833730144
Volume
2.1316739573413E+24
Space diagonal
222912396.28353
Perimeter
386095596
Area
7.1721245415731E+15
Altitude
111456198.14176
Surface area
7.1721245415731E+15
Volume
2.512201850858E+23
Height
60669069.803969