128815295 is an odd 9-digits composite number following 128815294
and preceding 128815296 . In scientific notation, it is written as 1.28815295 × 10^8.
The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors.
There are 84489504 positive integers (up to 128815295) that are relatively prime to 128815295.
128815295 has 16 divisors, whose sum is 184343040
The reverse of 128815295 is 592518821
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 41
Digital Root 5
Name
one hundred twenty-eight million eight hundred fifteen thousand two hundred ninety-five
Scientific notation
1.28815295 × 10^8
Engineering notation
1.28815295 × 10^6
Prime Factorization
5 × 7 × 23 × 160019
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128815295
Product of the distinct prime numbers
The prime factorization of 128815295 is 5 × 7 × 23 × 160019.
Since it has a total of 4 prime factors.
1 , 4 , 81 , 5 , 276 , 751 , 7850 , 368 , 91643 , 44733 , 468683 , 198095 , 3547607 , 7608279 , 93476808 , 99594356 , 318271407 , 957923953 , 3743793419 , 7977474658
n×2
257630590
n×3
386445885
n×4
515261180
n×5
644076475
n÷2
64407647.5
n÷3
42938431.666667
n÷3
32203823.75
n÷5
25763059
n2
16593380225937025
n3
2.1374811688512E+24
n4
2.7534026732252E+32
n5
3.5468037760529E+40
2 √n
11349.682594681
3 √n
505.03616379911
4 √n
106.53488909592
5 √n
41.878728413285
1 , 5 , 7 , 23 , 35 , 115 , 161 , 805 , 160019 , 800095 , 1120133 , 3680437 , 5600665 , 18402185 , 25763059 , 128815295
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
-128815294
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 128815295 can be divided by 16 positive divisors.
The sum of these divisors (counting 128815295) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101011011001000010111111
3
Ternary
22222101111100212
4
Quaternary
13223121002333
5
Quinary
230434042140
6
Senary
20440543035
8
Octal
753310277
10
Decimal
128815295
12
Duodecimal
37181a7b
16
Hexadecimal
7ad90bf
20
Vigesimal
2051i4f
36
Base36
24oyin
md5
a33bf22f1daa1c9f7fc49af67f1b97cd
sha1
a447005b07398c93d2b0c8ac8bad6583e79f7aec
sha256
f49ee261825bc11ebdf0e5ab2c7dffdaa421730fa4d5d7094cdad3944c949521
sha512
041f7ee400925102e630d5a528ed1595d35636aa26d7615d3278b15663a9f7c8658890501ed1a26d9c0f5aa04d4607a07723f6f8f44fc38049ab615e2dfca9d1
ripemd-160
2561f75a302c454b8758e0b9b88fd3fdf143bc1b
Diameter
257630590
Circumference
809370368.884
Area
5.2129641416026E+16
Volume
8.9534601829995E+24
Surface area
2.085185656641E+17
Circumference
809370368.884
Perimeter
515261180
Area
16593380225937025
Diagonal
182172337.23009
Surface area
99560281355622150
Volume
2.1374811688512E+24
Space diagonal
223114635.73197
Perimeter
386445885
Area
7.1851444051579E+15
Altitude
111557317.86599
Surface area
7.1851444051579E+15
Volume
2.5190457152554E+23
Height
60724112.41003