128532021 is an odd 9-digits composite number following 128532020
and preceding 128532022 . In scientific notation, it is written as 1.28532021 × 10^8.
The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors.
There are 85482672 positive integers (up to 128532021) that are relatively prime to 128532021.
128532021 has 8 divisors, whose sum is 171786720
The reverse of 128532021 is 120235821
Previous prime number is 419
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 24
Digital Root 6
Name
one hundred twenty-eight million five hundred thirty-two thousand twenty-one
Scientific notation
1.28532021 × 10^8
Engineering notation
1.28532021 × 10^6
Prime Factorization
3 × 419 × 102253
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
128532021
Product of the distinct prime numbers
The prime factorization of 128532021 is 3 × 419 × 102253.
Since it has a total of 3 prime factors.
7 , 1 , 21 , 13 , 854 , 962 , 9058 , 384 , 69956 , 7352 , 474559 , 835440 , 806059 , 1781770 , 88104404 , 97635117 , 111330210 , 400970706 , 9883655307 , 3097306158
n×2
257064042
n×3
385596063
n×4
514128084
n×5
642660105
n÷2
64266010.5
n÷3
42844007
n÷3
32133005.25
n÷5
25706404.2
n2
16520480422344441
n3
2.1234107365749E+24
n4
2.7292627338507E+32
n5
3.5079765502181E+40
2 √n
11337.19634654
3 √n
504.6656886119
4 √n
106.47627128398
5 √n
41.860293329359
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128532020
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128532021 can be divided by 8 positive divisors.
The sum of these divisors (counting 128532021) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101010010011111000110101
3
Ternary
22221212002210020
4
Quaternary
13222103320311
5
Quinary
230401011041
6
Senary
20430515353
8
Octal
752237065
10
Decimal
128532021
12
Duodecimal
37065b59
16
Hexadecimal
7a93e35
20
Vigesimal
2036a11
36
Base36
24ivxx
md5
2d3efbbf60bfd06e78d0dc81efb72523
sha1
39711bb855f6741284c1b058fe1852e03f004c5a
sha256
938155720c80ab436d156bc34e365d2e8c1f7db739239608e0143a3ba992690f
sha512
a311a49092c6471eee01f80bc1224b8762007ba0b76eed80248ef050459d8f59aabdbff7acaf8b3385df6eaafd3935dd5d67f887b9211abd2ef8d24ba8df5830
ripemd-160
ab901d8d57349593119c0963792e5dd4890fe43f
Diameter
257064042
Circumference
807590505.8493
Area
5.1900619928611E+16
Volume
8.894522094103E+24
Surface area
2.0760247971445E+17
Circumference
807590505.8493
Perimeter
514128084
Area
16520480422344441
Diagonal
181771727.29742
Surface area
99122882534066646
Volume
2.1234107365749E+24
Space diagonal
222623990.77151
Perimeter
385596063
Area
7.1535778642369E+15
Altitude
111311995.38575
Surface area
7.1535778642369E+15
Volume
2.502463551794E+23
Height
60590575.765808