128162394 is an even 9-digits composite number following 128162393
and preceding 128162395 . In scientific notation, it is written as 1.28162394 × 10^8.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 40863240 positive integers (up to 128162394) that are relatively prime to 128162394.
128162394 has 16 divisors, whose sum is 222891840
The reverse of 128162394 is 493261821
Previous prime number is 23
Is Prime? no
Number parity even
Number length 9
Sum of Digits 36
Digital Root 9
Name
one hundred twenty-eight million one hundred sixty-two thousand three hundred ninety-four
Scientific notation
1.28162394 × 10^8
Engineering notation
1.28162394 × 10^6
Prime Factorization
2 × 9 × 23 × 309571
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128162394
Product of the distinct prime numbers
The prime factorization of 128162394 is 2 × 9 × 23 × 309571.
Since it has a total of 4 prime factors.
7 , 3 , 65 , 99 , 918 , 857 , 1302 , 8044 , 29396 , 12448 , 624596 , 756162 , 7426998 , 1031810 , 15977449 , 10817980 , 815859090 , 408824033 , 2111450063 , 6530015307
n×2
256324788
n×3
384487182
n×4
512649576
n×5
640811970
n÷2
64081197
n÷3
42720798
n÷3
32040598.5
n÷5
25632478.8
n2
16425599235811236
n3
2.1051441209461E+24
n4
2.6980031025548E+32
n5
3.4578253664285E+40
2 √n
11320.883092763
3 √n
504.18145865881
4 √n
106.3996385932
5 √n
41.836189571269
1 , 2 , 9 , 18 , 23 , 46 , 207 , 414 , 309571 , 619142 , 2786139 , 5572278 , 7120133 , 14240266 , 64081197 , 128162394
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
-128162393
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 128162394 can be divided by 16 positive divisors.
The sum of these divisors (counting 128162394) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101000111001101001011010
3
Ternary
22221011022202100
4
Quaternary
13220321221122
5
Quinary
230302144034
6
Senary
20414544230
8
Octal
750715132
10
Decimal
128162394
12
Duodecimal
36b08076
16
Hexadecimal
7a39a5a
20
Vigesimal
20105je
36
Base36
24ayqi
md5
0a0c389dd8ce5553e7120d68a9b7cf7a
sha1
b745ee6b4c71648869da20c38bcbff006e20f547
sha256
474805f36ed3e93f057b6f077fcfe062b621023abebfca4b82fbf3a5b0d66569
sha512
69828e7e3ef7831071f703e0f9bf55fa190f7062b3699aa5b26c6b657490b718d91009bda81b94ffa8e3c8d09d0cac4fd13aae9bed6ae9f74853f3c79ede43d2
ripemd-160
dfd566ed1bcdccd58b4f68a1c77ad0f49fe9d52b
Diameter
256324788
Circumference
805268070.91376
Area
5.1602541890035E+16
Volume
8.8180070734828E+24
Surface area
2.0641016756014E+17
Circumference
805268070.91376
Perimeter
512649576
Area
16425599235811236
Diagonal
181248995.781
Surface area
98553595414867416
Volume
2.1051441209461E+24
Space diagonal
221983778.02766
Perimeter
384487182
Area
7.1124931052974E+15
Altitude
110991889.01383
Surface area
7.1124931052974E+15
Volume
2.4809361388267E+23
Height
60416331.927001