128529890 is an even 9-digits composite number following 128529889
and preceding 128529891 . In scientific notation, it is written as 1.28529890 × 10^8.
The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors.
There are 51370224 positive integers (up to 128529890) that are relatively prime to 128529890.
128529890 has 16 divisors, whose sum is 231541632
The reverse of 128529890 is 098925821
Previous prime number is 1427
Is Prime? no
Number parity even
Number length 9
Sum of Digits 44
Digital Root 8
Name
one hundred twenty-eight million five hundred twenty-nine thousand eight hundred ninety
Scientific notation
1.28529890 × 10^8
Engineering notation
1.28529890 × 10^6
Prime Factorization
2 × 5 × 1427 × 9007
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128529890
Product of the distinct prime numbers
The prime factorization of 128529890 is 2 × 5 × 1427 × 9007.
Since it has a total of 4 prime factors.
7 , 5 , 69 , 16 , 55 , 887 , 8951 , 6226 , 59402 , 19260 , 326334 , 780977 , 7024489 , 6029432 , 69359887 , 18924095 , 234426759 , 227684496 , 4259942803 , 9079671303
n×2
257059780
n×3
385589670
n×4
514119560
n×5
642649450
n÷2
64264945
n÷3
42843296.666667
n÷3
32132472.5
n÷5
25705978
n2
16519932623412100
n3
2.1233051228946E+24
n4
2.7290817388208E+32
n5
3.5076857569164E+40
2 √n
11337.102363479
3 √n
504.66289955716
4 √n
106.47582994971
5 √n
41.860154523674
1 , 2 , 5 , 10 , 1427 , 2854 , 7135 , 9007 , 14270 , 18014 , 45035 , 90070 , 12852989 , 25705978 , 64264945 , 128529890
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128529889
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128529890 can be divided by 16 positive divisors.
The sum of these divisors (counting 128529890) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101010010011010111100010
3
Ternary
22221211222212022
4
Quaternary
13222103113202
5
Quinary
230400424030
6
Senary
20430501442
8
Octal
752232742
10
Decimal
128529890
12
Duodecimal
37064882
16
Hexadecimal
7a935e2
20
Vigesimal
20364ea
36
Base36
24iuaq
md5
f33b7073a6b2eb4ca4fa3247ef7f25b6
sha1
766a4013ebdc43441dce3af802450111809f6273
sha256
b31c67a7445db1c744350ac06ddac789f990fe42a033a14c39c58f3abcd09eeb
sha512
9db3f4b6e07b265dbab46c2c1e7e16c8eaa759cd68eaaaa01eba0a3a818e05bc61e8e1ad2559f80a29abc21b2c5c87b697c94480baaddb802960dac6f69f12de
ripemd-160
41fb04882748659274a593d5817a82131fff4863
Diameter
257059780
Circumference
807577116.38141
Area
5.189889896751E+16
Volume
8.8940797005535E+24
Surface area
2.0759559587004E+17
Circumference
807577116.38141
Perimeter
514119560
Area
16519932623412100
Diagonal
181768713.60832
Surface area
99119595740472600
Volume
2.1233051228946E+24
Space diagonal
222620299.77124
Perimeter
385589670
Area
7.1533406603411E+15
Altitude
111310149.88562
Surface area
7.1533406603411E+15
Volume
2.5023390848781E+23
Height
60589571.202774