128692470 is an even 9-digits composite number following 128692469
and preceding 128692471 . In scientific notation, it is written as 1.28692470 × 10^8.
The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors.
There are 32726400 positive integers (up to 128692470) that are relatively prime to 128692470.
128692470 has 32 divisors, whose sum is 215654400
The reverse of 128692470 is 074296821
Previous prime number is 71
Is Prime? no
Number parity even
Number length 9
Sum of Digits 39
Digital Root 3
Name
one hundred twenty-eight million six hundred ninety-two thousand four hundred seventy
Scientific notation
1.28692470 × 10^8
Engineering notation
1.28692470 × 10^6
Prime Factorization
2 × 15 × 31 × 71 × 1949
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
128692470
Product of the distinct prime numbers
The prime factorization of 128692470 is 2 × 15 × 31 × 71 × 1949.
Since it has a total of 5 prime factors.
8 , 9 , 34 , 36 , 586 , 472 , 77 , 9120 , 31852 , 1198 , 855083 , 870594 , 2080065 , 9039631 , 8871253 , 60490970 , 906902913 , 612647474 , 3857988339 , 3591637345
n×2
257384940
n×3
386077410
n×4
514769880
n×5
643462350
n÷2
64346235
n÷3
42897490
n÷3
32173117.5
n÷5
25738494
n2
16561751834700900
n3
2.1313727511347E+24
n4
2.7429162383422E+32
n5
3.5299266571536E+40
2 √n
11344.270359966
3 √n
504.87559592879
4 √n
106.5094848357
5 √n
41.870739117041
1 , 2 , 15 , 30 , 31 , 62 , 71 , 142 , 465 , 930 , 1065 , 1949 , 2130 , 2201 , 3898 , 4402 , 29235 , 33015 , 58470 , 60419 , 66030 , 120838 , 138379 , 276758 , 906285 , 1812570 , 2075685 , 4151370 , 4289749 , 8579498 , 64346235 , 128692470
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128692469
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128692470 can be divided by 32 positive divisors.
The sum of these divisors (counting 128692470) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111101010111011000011110110
3
Ternary
22222011020212210
4
Quaternary
13222323003312
5
Quinary
230421124340
6
Senary
20434154250
8
Octal
752730366
10
Decimal
128692470
12
Duodecimal
37122986
16
Hexadecimal
7abb0f6
20
Vigesimal
2046b3a
36
Base36
24mbqu
md5
cdefa1c36be75260bdc89372fd247aa1
sha1
01d708cb5de6876f165f0db57f32631ce68af05a
sha256
38a831ca73c176f7376114ad4d56c98839ca4fbaebeed6b3a10750e53e4c9b00
sha512
bcf626d9c0e9854cad4751127cdca931fc469e8cbae6b25a9f1a4a94141ab0cf172f5d80c2218c41b3930660e17a714974cdff23aa36c7c75eef01c84a6d8e9b
ripemd-160
a539788629976f9bae3ea1e8e1021920653ca1f2
Diameter
257384940
Circumference
808598636.64865
Area
5.2030277894474E+16
Volume
8.9278733027016E+24
Surface area
2.0812111157789E+17
Circumference
808598636.64865
Perimeter
514769880
Area
16561751834700900
Diagonal
181998636.44929
Surface area
99370511008205400
Volume
2.1313727511347E+24
Space diagonal
222901896.59153
Perimeter
386077410
Area
7.1714489100123E+15
Altitude
111450948.29577
Surface area
7.1714489100123E+15
Volume
2.5118468759393E+23
Height
60666212.149764