168440144 is an even 9-digits composite number following 168440143
and preceding 168440145 . In scientific notation, it is written as 1.68440144 × 10^8.
The sum of its digits is 32. It has a total of 6 prime factors and 20 positive divisors.
There are 82962528 positive integers (up to 168440144) that are relatively prime to 168440144.
168440144 has 20 divisors, whose sum is 331225824
The reverse of 168440144 is 441044861
Previous prime number is 67
Is Prime? no
Number parity even
Number length 9
Sum of Digits 32
Digital Root 5
Name
one hundred sixty-eight million four hundred forty thousand one hundred forty-four
Scientific notation
1.68440144 × 10^8
Engineering notation
1.68440144 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 67 × 157127
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
21055018
Product of the distinct prime numbers
The prime factorization of 168440144 is 2 × 2 × 2 × 2 × 67 × 157127.
Since it has a total of 6 prime factors.
6 , 5 , 72 , 86 , 688 , 509 , 8575 , 6329 , 8779 , 59212 , 762809 , 147991 , 8200261 , 9637397 , 35759427 , 23898141 , 662450794 , 821917285 , 9878783226 , 1459164419
n×2
336880288
n×3
505320432
n×4
673760576
n×5
842200720
n÷2
84220072
n÷3
56146714.666667
n÷3
42110036
n÷5
33688028.8
n2
28372082110740736
n3
4.778997596313E+24
n4
8.0497504329861E+32
n5
1.3559011220962E+41
2 √n
12978.449213985
3 √n
552.26628963833
4 √n
113.92299686185
5 √n
44.186450982445
1 , 2 , 4 , 8 , 16 , 67 , 134 , 268 , 536 , 1072 , 157127 , 314254 , 628508 , 1257016 , 2514032 , 10527509 , 21055018 , 42110036 , 84220072 , 168440144
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-168440143
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 168440144 can be divided by 20 positive divisors.
The sum of these divisors (counting 168440144) is 1, the average is 0.05.
Base
System
Value
2
Binary
1010000010100011000101010000
3
Ternary
102201221122102212
4
Quaternary
22002203011100
5
Quinary
321110041034
6
Senary
24414131252
8
Octal
1202430520
10
Decimal
168440144
12
Duodecimal
484b0b28
16
Hexadecimal
a0a3150
20
Vigesimal
2ccf074
36
Base36
2sa98w
md5
bf70247b5348284ae9fcb22c2e39b5be
sha1
d63c1003c972cfb25784d11453ba48ceb802f9d4
sha256
9fead52004b1935ca8377058f6cbdc212f75a6054fad721a57676fcb1a1a368f
sha512
74d9575365e757483b098e1da9b0af2253e5ed6e705e82926c7aa026718bb9d55c63ed8dd1f90026f7b4c9f392c2f7add28b8cccf33fe92ae96072a32284e4a8
ripemd-160
5da6af1caff5345aad04cca741e8d264775fe3d3
Diameter
336880288
Circumference
1058340637.92
Area
8.9133524726149E+16
Volume
2.0018218320134E+25
Surface area
3.565340989046E+17
Circumference
1058340637.92
Perimeter
673760576
Area
28372082110740736
Diagonal
238210336.09288
Surface area
170232492664444416
Volume
4.778997596313E+24
Space diagonal
291746887.44222
Perimeter
505320432
Area
1.228547193308E+16
Altitude
145873443.72111
Surface area
1.228547193308E+16
Volume
5.6321026793785E+23
Height
79403445.364292