168028645 is an odd 9-digits composite number following 168028644
and preceding 168028646 . In scientific notation, it is written as 1.68028645 × 10^8.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 134422912 positive integers (up to 168028645) that are relatively prime to 168028645.
168028645 has 4 divisors, whose sum is 201634380
The reverse of 168028645 is 546820861
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred sixty-eight million twenty-eight thousand six hundred forty-five
Scientific notation
1.68028645 × 10^8
Engineering notation
1.68028645 × 10^6
Prime Factorization
5 × 33605729
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
168028645
Product of the distinct prime numbers
The prime factorization of 168028645 is 5 × 33605729.
Since it has a total of 2 prime factors.
6 , 6 , 66 , 42 , 461 , 58 , 7916 , 7062 , 36013 , 91884 , 551971 , 47155 , 9255185 , 8886633 , 72311519 , 36981552 , 799007761 , 358911726 , 7820489411 , 5279913540
n×2
336057290
n×3
504085935
n×4
672114580
n×5
840143225
n÷2
84014322.5
n÷3
56009548.333333
n÷3
42007161.25
n÷5
33605729
n2
28233625540536025
n3
4.7440578430137E+24
n4
7.9713761116321E+32
n5
1.3394195268229E+41
2 √n
12962.586354582
3 √n
551.81619436027
4 √n
113.85335460399
5 √n
44.164840368545
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
-168028644
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 168028645 can be divided by 4 positive divisors.
The sum of these divisors (counting 168028645) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000000111110100111100101
3
Ternary
102201011201222011
4
Quaternary
22000332213211
5
Quinary
321003404040
6
Senary
24401234221
8
Octal
1200764745
10
Decimal
168028645
12
Duodecimal
48332971
16
Hexadecimal
a03e9e5
20
Vigesimal
2ca3bc5
36
Base36
2s1fqd
md5
57a97b294cecd1966acd39d7b1aee700
sha1
3f1d021ddc035853ba06bcddfe6d93860dbc745a
sha256
bf296e9a696b42c0b701f5514881d4a97f6e754ab4e362f087c9272814836875
sha512
b43e924386b1e3e4cd7d52df4262c84823714ae150043a5fe81b3623cde8bf583dab2330b59ebee28a47a3f9b9ba6e9ae93afa6f6fcc2ce95ec56281188e0ae7
ripemd-160
fb283cea0bd5af6fdddc0ccfaca28d8f8db05856
Diameter
336057290
Circumference
1055755113.4493
Area
8.8698550582353E+16
Volume
1.9871863023756E+25
Surface area
3.5479420232941E+17
Circumference
1055755113.4493
Perimeter
672114580
Area
28233625540536025
Diagonal
237628388.62617
Surface area
169401753243216150
Volume
4.7440578430137E+24
Space diagonal
291034150.26695
Perimeter
504085935
Area
1.2225518479521E+16
Altitude
145517075.13348
Surface area
1.2225518479521E+16
Volume
5.590925785227E+23
Height
79209462.875391