128520123 is an odd 9-digits composite number following 128520122
and preceding 128520124 . In scientific notation, it is written as 1.28520123 × 10^8.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 80140320 positive integers (up to 128520123) that are relatively prime to 128520123.
128520123 has 16 divisors, whose sum is 182668800
The reverse of 128520123 is 321025821
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 24
Digital Root 6
Name
one hundred twenty-eight million five hundred twenty thousand one hundred twenty-three
Scientific notation
1.28520123 × 10^8
Engineering notation
1.28520123 × 10^6
Prime Factorization
3 × 79 × 19 × 28541
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128520123
Product of the distinct prime numbers
The prime factorization of 128520123 is 3 × 79 × 19 × 28541.
Since it has a total of 4 prime factors.
9 , 2 , 80 , 51 , 210 , 298 , 2881 , 4085 , 77888 , 50473 , 207618 , 549834 , 7548101 , 7438945 , 39399246 , 27989783 , 462038190 , 847527112 , 4329482784 , 6712122891
n×2
257040246
n×3
385560369
n×4
514080492
n×5
642600615
n÷2
64260061.5
n÷3
42840041
n÷3
32130030.75
n÷5
25704024.6
n2
16517422015935129
n3
2.1228211091309E+24
n4
2.728252300525E+32
n5
3.506353212385E+40
2 √n
11336.671601489
3 √n
504.65011610423
4 √n
106.47380711465
5 √n
41.859518312817
1 , 3 , 19 , 57 , 79 , 237 , 1501 , 4503 , 28541 , 85623 , 542279 , 1626837 , 2254739 , 6764217 , 42840041 , 128520123
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
-128520122
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 128520123 can be divided by 16 positive divisors.
The sum of these divisors (counting 128520123) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101010010000111110111011
3
Ternary
22221211111110120
4
Quaternary
13222100332323
5
Quinary
230400120443
6
Senary
20430344323
8
Octal
752207673
10
Decimal
128520123
12
Duodecimal
3705b0a3
16
Hexadecimal
7a90fbb
20
Vigesimal
2035063
36
Base36
24imrf
md5
860bf0b344edc6a903103aae77fd5826
sha1
6d8b6e4ccc02954fe950d165d69f1e317af39ae4
sha256
68024f02a3ca5ec2db69bda84bf8c127ab85c287331c6bbb8ce2ac80ac7c2536
sha512
5f0a9b98cb6d4fffbff602bc24ab85f47467a87a01599023d7aef11ef0f491b271c0c144e7c211c38fe6a30e958cef4db57d2102fcade7cdf6849ad405f7b164
ripemd-160
f41e3d6f564b76ae7ea914f7c0c7324b434bc1c5
Diameter
257040246
Circumference
807515748.51051
Area
5.1891011661504E+16
Volume
8.8920522684413E+24
Surface area
2.0756404664602E+17
Circumference
807515748.51051
Perimeter
514080492
Area
16517422015935129
Diagonal
181754900.98446
Surface area
99104532095610774
Volume
2.1228211091309E+24
Space diagonal
222603382.831
Perimeter
385560369
Area
7.1522535354141E+15
Altitude
111301691.4155
Surface area
7.1522535354141E+15
Volume
2.5017686691873E+23
Height
60584966.994819