128369531 is an odd 9-digits composite number following 128369530
and preceding 128369532 . In scientific notation, it is written as 1.28369531 × 10^8.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 128346072 positive integers (up to 128369531) that are relatively prime to 128369531.
128369531 has 4 divisors, whose sum is 128392992
The reverse of 128369531 is 135963821
Previous prime number is 8693
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred twenty-eight million three hundred sixty-nine thousand five hundred thirty-one
Scientific notation
1.28369531 × 10^8
Engineering notation
1.28369531 × 10^6
Prime Factorization
8693 × 14767
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128369531
Product of the distinct prime numbers
The prime factorization of 128369531 is 8693 × 14767.
Since it has a total of 2 prime factors.
9 , 1 , 26 , 37 , 762 , 275 , 9969 , 5037 , 25163 , 3879 , 991022 , 945278 , 2977831 , 1003300 , 83172168 , 69838203 , 657265080 , 937132218 , 3804476336 , 8816709673
n×2
256739062
n×3
385108593
n×4
513478124
n×5
641847655
n÷2
64184765.5
n÷3
42789843.666667
n÷3
32092382.75
n÷5
25673906.2
n2
16478736489159961
n3
2.1153676745861E+24
n4
2.7154875627917E+32
n5
3.4858586487191E+40
2 √n
11330.027846391
3 √n
504.45293304724
4 √n
106.44260353069
5 √n
41.849704028434
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
-128369530
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 128369531 can be divided by 4 positive divisors.
The sum of these divisors (counting 128369531) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101001101100001101111011
3
Ternary
22221112211220002
4
Quaternary
13221230031323
5
Quinary
230330311111
6
Senary
20423223215
8
Octal
751541573
10
Decimal
128369531
12
Duodecimal
36ba7b0b
16
Hexadecimal
7a6c37b
20
Vigesimal
20263gb
36
Base36
24fekb
md5
65e8f844aca838b43fbaacd27468d637
sha1
025cd13ccd0b633b5ce048ba0c01a0744fdb0ef4
sha256
580eb0cadb9c0a7250315ee6a0ba1044e1b06724879028addd3c9c9098296415
sha512
4410e246a24f15873990f8915144c225c6c233e4b387e148d5ab0b6bc6c8fc4c4eb53e6c22b3235f44ba02df8737acecd99422f5d5ecb49f7bdc0ac39109b3e0
ripemd-160
06fd269d93ce33677a598aea326989f8edaa8533
Diameter
256739062
Circumference
806569551.06873
Area
5.1769477494787E+16
Volume
8.8608313948278E+24
Surface area
2.0707790997915E+17
Circumference
806569551.06873
Perimeter
513478124
Area
16478736489159961
Diagonal
181541931.73567
Surface area
98872418934959766
Volume
2.1153676745861E+24
Space diagonal
222342549.83579
Perimeter
385108593
Area
7.1355022109411E+15
Altitude
111171274.91789
Surface area
7.1355022109411E+15
Volume
2.4929847123377E+23
Height
60513977.245224