168431390 is an even 9-digits composite number following 168431389
and preceding 168431391 . In scientific notation, it is written as 1.68431390 × 10^8.
The sum of its digits is 35. It has a total of 5 prime factors and 32 positive divisors.
There are 63631008 positive integers (up to 168431390) that are relatively prime to 168431390.
168431390 has 32 divisors, whose sum is 320112000
The reverse of 168431390 is 093134861
Previous prime number is 379
Is Prime? no Number parity even Number length 9 Sum of Digits 35 Digital Root 8
Name
one hundred sixty-eight million four hundred thirty-one thousand three hundred ninety
Scientific notation
1.68431390 × 10^8
Engineering notation
1.68431390 × 10^6
Prime Factorization
2 × 5 × 19 × 379 × 2339
Composite number
ω Distinct Factors
5 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
168431390 Product of the distinct prime numbers
The prime factorization of 168431390 is 2 × 5 × 19 × 379 × 2339.
Since it has a total of 5 prime factors.
2 , 4 , 89 , 99 , 217 , 683 , 6457 , 1703 , 98407 , 11451 , 273184 , 909482 , 5985481 , 8915884 , 14161790 , 78356228 , 973757604 , 779270121 , 368051758 , 3924635850
n×2
336862780
n×3
505294170
n×4
673725560
n×5
842156950
n÷2
84215695
n÷3
56143796.666667
n÷3
42107847.5
n÷5
33686278
n2
28369133137332100
n3
4.7782525274159E+24
n4
8.0480771496367E+32
n5
1.3555488211406E+41
2 √n12978.111958216
3 √n552.25672219845
4 √n113.92151666045
5 √n44.185991690231
1 , 2 , 5 , 10 , 19 , 38 , 95 , 190 , 379 , 758 , 1895 , 2339 , 3790 , 4678 , 7201 , 11695 , 14402 , 23390 , 36005 , 44441 , 72010 , 88882 , 222205 , 444410 , 886481 , 1772962 , 4432405 , 8864810 , 16843139 , 33686278 , 84215695 , 168431390
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
-168431389 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 168431390 can be divided by 32 positive divisors.
The sum of these divisors (counting 168431390) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000010100000111100011110
3
Ternary
102201221012102122
4
Quaternary
22002200330132
5
Quinary
321104301030
6
Senary
24414022542
8
Octal
1202407436
10
Decimal
168431390
12
Duodecimal
484a7a52
16
Hexadecimal
a0a0f1e
20
Vigesimal
2ccdi9a
36
Base36
2sa2hq
md5
9c7551750a2213fdf8bce00bc23cf1ff
sha1
a7e799b0229cd66f6d68e8664535ae55f91b92a8
sha256
dcb240f036e8ee40bf99430f0e7b49c7a27aa5912a9a794507231e32938cbbfc
sha512
1a8c2096ab4a63bee842c3ed10a98871119380543f819c0c7936144c2c37b502398138fff486a59063cb2dd356b4d2e71c5ce716a8e4a5fed8d8dca3c0cca65f
ripemd-160
84321fa330d33b293a726d05e24dea276c7ed9db
Diameter
336862780
Circumference
1058285634.9158
Area
8.9124260252953E+16
Volume
2.0015097382836E+25
Surface area
3.5649704101181E+17
Circumference
1058285634.9158
Perimeter
673725560
Area
28369133137332100
Diagonal
238197956.06735
Surface area
170214798823992600
Volume
4.7782525274159E+24
Space diagonal
291731725.06945
Perimeter
505294170
Area
1.2284194990136E+16
Altitude
145865862.53472
Surface area
1.2284194990136E+16
Volume
5.6312246072626E+23
Height
79399318.689117