128520939 is an odd 9-digits composite number following 128520938
and preceding 128520940 . In scientific notation, it is written as 1.28520939 × 10^8.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 84228296 positive integers (up to 128520939) that are relatively prime to 128520939.
128520939 has 8 divisors, whose sum is 174265920
The reverse of 128520939 is 939025821
Previous prime number is 59
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 nine hundred thirty-nine
Scientific notation
1.28520939 × 10^8
Engineering notation
1.28520939 × 10^6
Prime Factorization
3 × 59 × 726107
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
128520939
Product of the distinct prime numbers
The prime factorization of 128520939 is 3 × 59 × 726107.
Since it has a total of 3 prime factors.
5 , 8 , 49 , 28 , 755 , 584 , 4025 , 4734 , 27538 , 15933 , 11834 , 743360 , 1518591 , 7259271 , 53435684 , 4807107 , 794348334 , 680581023 , 2212682551 , 6751134831
n×2
257041878
n×3
385562817
n×4
514083756
n×5
642604695
n÷2
64260469.5
n÷3
42840313
n÷3
32130234.75
n÷5
25704187.8
n2
16517631761441721
n3
2.1228615440367E+24
n4
2.7283215900659E+32
n5
3.5064645264924E+40
2 √n
11336.707590831
3 √n
504.65118414352
4 √n
106.47397612013
5 √n
41.859571467575
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
-128520938
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 128520939 can be divided by 8 positive divisors.
The sum of these divisors (counting 128520939) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101010010001001011101011
3
Ternary
22221211112120210
4
Quaternary
13222101023223
5
Quinary
230400132224
6
Senary
20430352203
8
Octal
752211353
10
Decimal
128520939
12
Duodecimal
3705b663
16
Hexadecimal
7a912eb
20
Vigesimal
203526j
36
Base36
24ine3
md5
ae07cf940e83a4f5a31b8f44653dd2b8
sha1
cd2e4e80b7af59a4dbb6362332db08ba52e66bd7
sha256
8fd0e4dc18bbe6a4a384d9dc0dfa543ca3c8135d45a5f18885ba1b2e5999c683
sha512
b34c8353561e6c4d7e0f21b979cae75cc89550a0a12972b770772953215cfa2403041d5312c005c926754e8073303c71ad4950724a2de0c7e667a41ba8f7acea
ripemd-160
c2dd1a809025724e9241f80dd96f714f7cbd9d1d
Diameter
257041878
Circumference
807520875.58972
Area
5.1891670596447E+16
Volume
8.8922216417787E+24
Surface area
2.0756668238579E+17
Circumference
807520875.58972
Perimeter
514083756
Area
16517631761441721
Diagonal
181756054.98273
Surface area
99105790568650326
Volume
2.1228615440367E+24
Space diagonal
222604796.18446
Perimeter
385562817
Area
7.1523443578826E+15
Altitude
111302398.09223
Surface area
7.1523443578826E+15
Volume
2.5018163221808E+23
Height
60585351.660908