168490081 is an odd 9-digits composite number following 168490080
and preceding 168490082 . In scientific notation, it is written as 1.68490081 × 10^8.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 159505920 positive integers (up to 168490081) that are relatively prime to 168490081.
168490081 has 8 divisors, whose sum is 177487200
The reverse of 168490081 is 180094861
Previous prime number is 4481
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
one hundred sixty-eight million four hundred ninety thousand eighty-one
Scientific notation
1.68490081 × 10^8
Engineering notation
1.68490081 × 10^6
Prime Factorization
19 × 4481 × 1979
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
168490081
Product of the distinct prime numbers
The prime factorization of 168490081 is 19 × 4481 × 1979.
Since it has a total of 3 prime factors.
2 , 8 , 37 , 36 , 139 , 659 , 5449 , 5020 , 12326 , 72277 , 715605 , 569715 , 649062 , 5721625 , 36067597 , 75374408 , 376024195 , 283397591 , 6993869828 , 736910510
n×2
336980162
n×3
505470243
n×4
673960324
n×5
842450405
n÷2
84245040.5
n÷3
56163360.333333
n÷3
42122520.25
n÷5
33698016.2
n2
28388907395386561
n3
4.7832493065502E+24
n4
8.0593006310383E+32
n5
1.357912216127E+41
2 √n
12980.37291452
3 √n
552.32086055023
4 √n
113.93143953501
5 √n
44.189070639648
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-168490080
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 168490081 can be divided by 8 positive divisors.
The sum of these divisors (counting 168490081) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000010101111010001100001
3
Ternary
102202001011221101
4
Quaternary
22002233101201
5
Quinary
321113140311
6
Senary
24415154401
8
Octal
1202572141
10
Decimal
168490081
12
Duodecimal
48515a01
16
Hexadecimal
a0af461
20
Vigesimal
2cd1541
36
Base36
2sbbs1
md5
939f7a9f825ead1d17998bb0fbb7638d
sha1
faecd226b042e4d1048e360864f8ff2be2e57aae
sha256
1cac57d4cac4a6222f7c375e423b66199eb57c4cd273991753639e13687f96d3
sha512
7e1fb63edb8b087c10105215369d8600220baec13b143b1dc6c4cb5b1f25df8336c0bfc93716ae08e280c4439da28619619a7c6345fa6cffe01841fbcbd0d182
ripemd-160
d3597c14284790b4bcdac14613ef5bae27d0c144
Diameter
336980162
Circumference
1058654401.3447
Area
8.9186382916787E+16
Volume
2.0036027842329E+25
Surface area
3.5674553166715E+17
Circumference
1058654401.3447
Perimeter
673960324
Area
28388907395386561
Diagonal
238280957.67554
Surface area
170333444372319366
Volume
4.7832493065502E+24
Space diagonal
291833380.8634
Perimeter
505470243
Area
1.2292757495044E+16
Altitude
145916690.4317
Surface area
1.2292757495044E+16
Volume
5.6371133679458E+23
Height
79426985.891847