168993321 is an odd 9-digits composite number following 168993320
and preceding 168993322 . In scientific notation, it is written as 1.68993321 × 10^8.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 95243904 positive integers (up to 168993321) that are relatively prime to 168993321.
168993321 has 16 divisors, whose sum is 261043584
The reverse of 168993321 is 123399861
Previous prime number is 73
Is Prime? no Number parity odd Number length 9 Sum of Digits 42 Digital Root 6
Name
one hundred sixty-eight million nine hundred ninety-three thousand three hundred twenty-one
Scientific notation
1.68993321 × 10^8
Engineering notation
1.68993321 × 10^6
Prime Factorization
3 × 7 × 73 × 110237
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
168993321 Product of the distinct prime numbers
The prime factorization of 168993321 is 3 × 7 × 73 × 110237.
Since it has a total of 4 prime factors.
8 , 6 , 78 , 52 , 696 , 527 , 3930 , 1800 , 83927 , 66896 , 815864 , 833679 , 1997650 , 8024930 , 33128237 , 71103108 , 728708434 , 463248514 , 5247419505 , 3401061464
n×2
337986642
n×3
506979963
n×4
675973284
n×5
844966605
n÷2
84496660.5
n÷3
56331107
n÷3
42248330.25
n÷5
33798664.2
n2
28558742542609041
n3
4.8262367458595E+24
n4
8.1560177561503E+32
n5
1.3783125267468E+41
2 √n12999.743112846
3 √n552.87019790172
4 √n114.01641597966
5 √n44.215435619449
1 , 3 , 7 , 21 , 73 , 219 , 511 , 1533 , 110237 , 330711 , 771659 , 2314977 , 8047301 , 24141903 , 56331107 , 168993321
16 divisors
τ Total Divisors
16 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-168993320 Sum of the proper positive divisors of n
A Arithmetic Mean
0.0625 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
16 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 168993321 can be divided by 16 positive divisors.
The sum of these divisors (counting 168993321) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000100101010001000101001
3
Ternary
102202222202020220
4
Quaternary
22010222020221
5
Quinary
321230241241
6
Senary
24434040253
8
Octal
1204521051
10
Decimal
168993321
12
Duodecimal
48719089
16
Hexadecimal
a12a229
20
Vigesimal
2cg4361
36
Base36
2sm42x
md5
7095c2dc040213dd4fbd85ed6cd82cda
sha1
c76ccde4f3ef69998e5a40a2ee3141d8d4937612
sha256
fcbebe1c3f313a44d2b2ff7bdad6622d65ccafe2c62b13f64a576c474f69f3e8
sha512
ba8eda59b89ee25f2d2bced055a900c578cb4044001abbaa10162b77b690458065ffc16e1ed7db9f6d71d65eabd5a010b623e6175848bca5e651b647a9277152
ripemd-160
b58d1a5198af31dbfac90a45fb01a79980e68b2d
Diameter
337986642
Circumference
1061816351.5187
Area
8.9719935767623E+16
Volume
2.0216093207036E+25
Surface area
3.5887974307049E+17
Circumference
1061816351.5187
Perimeter
675973284
Area
28558742542609041
Diagonal
238992646.50867
Surface area
171352455255654246
Volume
4.8262367458595E+24
Space diagonal
292705018.1118
Perimeter
506979963
Area
1.2366298271019E+16
Altitude
146352509.0559
Surface area
1.2366298271019E+16
Volume
5.6877745510149E+23
Height
79664215.50289