128631415 is an odd 9-digits composite number following 128631414
and preceding 128631416 . In scientific notation, it is written as 1.28631415 × 10^8.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 93406720 positive integers (up to 128631415) that are relatively prime to 128631415.
128631415 has 16 divisors, whose sum is 168648480
The reverse of 128631415 is 514136821
Previous prime number is 857
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred twenty-eight million six hundred thirty-one thousand four hundred fifteen
Scientific notation
1.28631415 × 10^8
Engineering notation
1.28631415 × 10^6
Prime Factorization
5 × 11 × 857 × 2729
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128631415
Product of the distinct prime numbers
The prime factorization of 128631415 is 5 × 11 × 857 × 2729.
Since it has a total of 4 prime factors.
10 , 7 , 24 , 99 , 194 , 264 , 2959 , 3888 , 42939 , 15749 , 149206 , 716040 , 8005589 , 5022960 , 55283688 , 21230661 , 727266727 , 817903363 , 9744237636 , 9909372757
n×2
257262830
n×3
385894245
n×4
514525660
n×5
643157075
n÷2
64315707.5
n÷3
42877138.333333
n÷3
32157853.75
n÷5
25726283
n2
16546040924902225
n3
2.1283406568181E+24
n4
2.7377147028854E+32
n5
3.5215611609845E+40
2 √n
11341.579034685
3 √n
504.79574133293
4 √n
106.49684988151
5 √n
41.86676545293
1 , 5 , 11 , 55 , 857 , 2729 , 4285 , 9427 , 13645 , 30019 , 47135 , 150095 , 2338753 , 11693765 , 25726283 , 128631415
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
-128631414
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 128631415 can be divided by 16 positive divisors.
The sum of these divisors (counting 128631415) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101010101100001001110111
3
Ternary
22222001011010111
4
Quaternary
13222230021313
5
Quinary
230412201130
6
Senary
20433003451
8
Octal
752541167
10
Decimal
128631415
12
Duodecimal
370b3587
16
Hexadecimal
7aac277
20
Vigesimal
203iiaf
36
Base36
24l0mv
md5
c11202fb6c7136df89105d4363a52b25
sha1
82ba6eb2bc13a40a1aa7f9fdb5bce8f4ca354bd2
sha256
f6ce05631f72510cf06abe80d2efb0cd0154c209863309225e4cd00d5436332b
sha512
27de5f6fda90ffa9931a19296e1b600c229269a6dd8ebdafa94ef2b87fa05565d93b74f400534d0c9f564ba7827b55f88e029fa07149024aca3f5b26ebe6a8e2
ripemd-160
4bdcb0d2fb3b18254e7eebcc8afc1225e8464635
Diameter
257262830
Circumference
808215016.76972
Area
5.1980920615669E+16
Volume
8.9151724957282E+24
Surface area
2.0792368246268E+17
Circumference
808215016.76972
Perimeter
514525660
Area
16546040924902225
Diagonal
181912291.64024
Surface area
99276245549413350
Volume
2.1283406568181E+24
Space diagonal
222796146.22948
Perimeter
385894245
Area
7.1646458865111E+15
Altitude
111398073.11474
Surface area
7.1646458865111E+15
Volume
2.5082735185185E+23
Height
60637430.546747