168242581 is an odd 9-digits composite number following 168242580
and preceding 168242582 . In scientific notation, it is written as 1.68242581 × 10^8.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 155300832 positive integers (up to 168242581) that are relatively prime to 168242581.
168242581 has 4 divisors, whose sum is 181184332
The reverse of 168242581 is 185242861
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
one hundred sixty-eight million two hundred forty-two thousand five hundred eighty-one
Scientific notation
1.68242581 × 10^8
Engineering notation
1.68242581 × 10^6
Prime Factorization
13 × 12941737
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
168242581
Product of the distinct prime numbers
The prime factorization of 168242581 is 13 × 12941737.
Since it has a total of 2 prime factors.
10 , 3 , 47 , 23 , 941 , 256 , 1651 , 1269 , 30980 , 44814 , 771100 , 826522 , 7460757 , 8217565 , 13989858 , 19471214 , 463758127 , 996860214 , 8369605992 , 4559054647
n×2
336485162
n×3
504727743
n×4
672970324
n×5
841212905
n÷2
84121290.5
n÷3
56080860.333333
n÷3
42060645.25
n÷5
33648516.2
n2
28305566061541561
n3
4.7622014908598E+24
n4
8.0120507006429E+32
n5
1.347968088979E+41
2 √n
12970.835786487
3 √n
552.05028794289
4 √n
113.88957716353
5 √n
44.176080881747
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-168242580
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 168242581 can be divided by 4 positive divisors.
The sum of these divisors (counting 168242581) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000001110010110110010101
3
Ternary
102201120121102201
4
Quaternary
22001302312111
5
Quinary
321032230311
6
Senary
24410004501
8
Octal
1201626625
10
Decimal
168242581
12
Duodecimal
48416731
16
Hexadecimal
a072d95
20
Vigesimal
2cba691
36
Base36
2s60t1
md5
1dfb976febbbbfbdcdee80ab2bde9142
sha1
2a8baa07d9c25d05a4635e76f671bf2b2e363fb5
sha256
08186c5552a16e3e585954aefd7a28125bd5a51c2067a049fd3c40e7d9e35201
sha512
1cd08680977d3ec3a75d6e961728ff3c8f535138d7484c7855310738ea850fece4901bf16af1b2ccf19e26f5ead252265cba72b7b1b907d933670530f3c8fde5
ripemd-160
853a7ce55a8e31222b29b292a37b20521383c2f8
Diameter
336485162
Circumference
1057099312.9812
Area
8.892455839464E+16
Volume
1.9947862958132E+25
Surface area
3.5569823357856E+17
Circumference
1057099312.9812
Perimeter
672970324
Area
28305566061541561
Diagonal
237930939.81885
Surface area
169833396369249366
Volume
4.7622014908598E+24
Space diagonal
291404698.28852
Perimeter
504727743
Area
1.2256669638897E+16
Altitude
145702349.14426
Surface area
1.2256669638897E+16
Volume
5.6123082792727E+23
Height
79310313.272951