128520489 is an odd 9-digits composite number following 128520488
and preceding 128520490 . In scientific notation, it is written as 1.28520489 × 10^8.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 82238016 positive integers (up to 128520489) that are relatively prime to 128520489.
128520489 has 16 divisors, whose sum is 178315200
The reverse of 128520489 is 984025821
Previous prime number is 173
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
one hundred twenty-eight million five hundred twenty thousand four hundred eighty-nine
Scientific notation
1.28520489 × 10^8
Engineering notation
1.28520489 × 10^6
Prime Factorization
3 × 29 × 173 × 8539
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128520489
Product of the distinct prime numbers
The prime factorization of 128520489 is 3 × 29 × 173 × 8539.
Since it has a total of 4 prime factors.
9 , 2 , 14 , 40 , 817 , 692 , 2181 , 514 , 14258 , 51991 , 560992 , 19001 , 970105 , 1751885 , 11624871 , 12193453 , 641676605 , 204552919 , 6203797104 , 9202969752
n×2
257040978
n×3
385561467
n×4
514081956
n×5
642602445
n÷2
64260244.5
n÷3
42840163
n÷3
32130122.25
n÷5
25704097.8
n2
16517516092799121
n3
2.1228392453119E+24
n4
2.7282833787588E+32
n5
3.5064031396865E+40
2 √n
11336.687743781
3 √n
504.65059515182
4 √n
106.47388291868
5 √n
41.859542154323
1 , 3 , 29 , 87 , 173 , 519 , 5017 , 8539 , 15051 , 25617 , 247631 , 742893 , 1477247 , 4431741 , 42840163 , 128520489
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
-128520488
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 128520489 can be divided by 16 positive divisors.
The sum of these divisors (counting 128520489) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101010010001000100101001
3
Ternary
22221211111222010
4
Quaternary
13222101010221
5
Quinary
230400123424
6
Senary
20430350133
8
Octal
752210451
10
Decimal
128520489
12
Duodecimal
3705b349
16
Hexadecimal
7a91129
20
Vigesimal
2035149
36
Base36
24in1l
md5
b00612d5465ce8c8ce320e11001796fd
sha1
4cb6de34a49b2b331290692c72e24ddbf40e5d7a
sha256
f86a05ba8f895e9b78c124626f61c6d3562559d95733b5d85b11002c332fe7b1
sha512
31694970be83f99c61a69533131fc40f0192ed539de6d8e74813479f7072af48651178816a311a91f6415f84ced96a5cce763fce36e8071b627c3461e7183e2c
ripemd-160
b0173cb8eccaccee6b89a6ed95fce78cf5176d0b
Diameter
257040978
Circumference
807518048.15634
Area
5.1891307212689E+16
Volume
8.8921282370987E+24
Surface area
2.0756522885076E+17
Circumference
807518048.15634
Perimeter
514081956
Area
16517516092799121
Diagonal
181755418.58662
Surface area
99105096556794726
Volume
2.1228392453119E+24
Space diagonal
222604016.7616
Perimeter
385561467
Area
7.1522942718912E+15
Altitude
111302008.3808
Surface area
7.1522942718912E+15
Volume
2.5017900428816E+23
Height
60585139.528874