128397311 is an odd 9-digits composite number following 128397310
and preceding 128397312 . In scientific notation, it is written as 1.28397311 × 10^8.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 103036416 positive integers (up to 128397311) that are relatively prime to 128397311.
128397311 has 16 divisors, whose sum is 156188736
The reverse of 128397311 is 113793821
Previous prime number is 197
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 35
Digital Root 8
Name
one hundred twenty-eight million three hundred ninety-seven thousand three hundred eleven
Scientific notation
1.28397311 × 10^8
Engineering notation
1.28397311 × 10^6
Prime Factorization
7 × 17 × 197 × 5477
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128397311
Product of the distinct prime numbers
The prime factorization of 128397311 is 7 × 17 × 197 × 5477.
Since it has a total of 4 prime factors.
6 , 7 , 46 , 33 , 278 , 432 , 4319 , 770 , 93642 , 28205 , 55436 , 640682 , 2278095 , 5963924 , 69437751 , 96171941 , 418644033 , 856721181 , 5357791012 , 5568059778
n×2
256794622
n×3
385191933
n×4
513589244
n×5
641986555
n÷2
64198655.5
n÷3
42799103.666667
n÷3
32099327.75
n÷5
25679462.2
n2
16485869472030721
n3
2.1167413097057E+24
n4
2.7178389224883E+32
n5
3.4896320937864E+40
2 √n
11331.253725868
3 √n
504.48931938598
4 √n
106.44836178104
5 √n
41.851515181198
1 , 7 , 17 , 119 , 197 , 1379 , 3349 , 5477 , 23443 , 38339 , 93109 , 651763 , 1078969 , 7552783 , 18342473 , 128397311
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
-128397310
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 128397311 can be divided by 16 positive divisors.
The sum of these divisors (counting 128397311) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101001110010111111111111
3
Ternary
22221121020222222
4
Quaternary
13221302333333
5
Quinary
230332203221
6
Senary
20423555555
8
Octal
751627777
10
Decimal
128397311
12
Duodecimal
36bbbbbb
16
Hexadecimal
7a72fff
20
Vigesimal
2029d5b
36
Base36
24fzzz
md5
ba7ad86b5b282cb157ae905ff1e9cd5f
sha1
f6e27d64cc0f526c0f758d6544bd620e27edeb90
sha256
01d6a5350147609703fcf6e98b0d179918cab7b61573b8a942b020c4c68746ce
sha512
07d54d250f666980a846078627d1115cfbee5d71ee431a0a7eeec93e1cb974664b82d95b5003f9117c9f63e2ecd6300cc8657ca8919696cc25e02066ae437e23
ripemd-160
0c4ba486c9ef412c9d87c5a712c9b40aa23b1718
Diameter
256794622
Circumference
806744097.95657
Area
5.1791886421372E+16
Volume
8.8665852641621E+24
Surface area
2.0716754568549E+17
Circumference
806744097.95657
Perimeter
513589244
Area
16485869472030721
Diagonal
181581218.58844
Surface area
98915216832184326
Volume
2.1167413097057E+24
Space diagonal
222390666.20722
Perimeter
385191933
Area
7.1385908831265E+15
Altitude
111195333.10361
Surface area
7.1385908831265E+15
Volume
2.494603556851E+23
Height
60527072.862812