168408081 is an odd 9-digits composite number following 168408080
and preceding 168408082 . In scientific notation, it is written as 1.68408081 × 10^8.
The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors.
There are 108662400 positive integers (up to 168408081) that are relatively prime to 168408081.
168408081 has 24 divisors, whose sum is 251181216
The reverse of 168408081 is 180804861
Previous prime number is 113
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 36
Digital Root 9
Name
one hundred sixty-eight million four hundred eight thousand eighty-one
Scientific notation
1.68408081 × 10^8
Engineering notation
1.68408081 × 10^6
Prime Factorization
3 × 3 × 43 × 113 × 3851
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
56136027
Product of the distinct prime numbers
The prime factorization of 168408081 is 3 × 3 × 43 × 113 × 3851.
Since it has a total of 5 prime factors.
6 , 5 , 20 , 100 , 376 , 843 , 6568 , 4936 , 25888 , 22839 , 543942 , 869318 , 1710604 , 208619 , 56425831 , 93277570 , 247679237 , 368701131 , 266504886 , 8087904679
n×2
336816162
n×3
505224243
n×4
673632324
n×5
842040405
n÷2
84204040.5
n÷3
56136027
n÷3
42102020.25
n÷5
33681616.2
n2
28361281746102561
n3
4.7762690335615E+24
n4
8.0436230228181E+32
n5
1.3546111175602E+41
2 √n
12977.213915167
3 √n
552.23124566111
4 √n
113.91757509343
5 √n
44.184768654195
1 , 3 , 9 , 43 , 113 , 129 , 339 , 387 , 1017 , 3851 , 4859 , 11553 , 14577 , 34659 , 43731 , 165593 , 435163 , 496779 , 1305489 , 1490337 , 3916467 , 18712009 , 56136027 , 168408081
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-168408080
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 168408081 can be divided by 24 positive divisors.
The sum of these divisors (counting 168408081) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000010011011010000010001
3
Ternary
102201220000110100
4
Quaternary
22002123100101
5
Quinary
321103024311
6
Senary
24413323013
8
Octal
1202332021
10
Decimal
168408081
12
Duodecimal
48496469
16
Hexadecimal
a09b411
20
Vigesimal
2ccb041
36
Base36
2s9ki9
md5
9915e25304f1d7269842f976157b8d7b
sha1
08e81df18640e15e3ab6ae0ed500d18aee6f6d20
sha256
43b8795777aa8cb633f12b0736702c876c5418ff3bdece2b86b245b1fac42261
sha512
4e37eb3b0b0d131bb90e6a4d531342777e5389be18e5e9ebefe1358a4418871b5e6672d9446f22a5c7d91ec198ccc68d4eb5c8f6ba115e4a8a7cd9950c1c9a8b
ripemd-160
4a22590da053df186726ad65e2f4851d1ac8bd93
Diameter
336816162
Circumference
1058139180.1495
Area
8.9099594379946E+16
Volume
2.0006788943207E+25
Surface area
3.5639837751978E+17
Circumference
1058139180.1495
Perimeter
673632324
Area
28361281746102561
Diagonal
238164992.16343
Surface area
170167690476615366
Volume
4.7762690335615E+24
Space diagonal
291691352.69717
Perimeter
505224243
Area
1.2280795238006E+16
Altitude
145845676.34859
Surface area
1.2280795238006E+16
Volume
5.6288870373377E+23
Height
79388330.721142