168993819 is an odd 9-digits composite number following 168993818
and preceding 168993820 . In scientific notation, it is written as 1.68993819 × 10^8.
The sum of its digits is 54. It has a total of 3 prime factors and 8 positive divisors.
There are 112520400 positive integers (up to 168993819) that are relatively prime to 168993819.
168993819 has 8 divisors, whose sum is 188007840
The reverse of 168993819 is 918399861
Previous prime number is 821
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 54
Digital Root 9
Name
one hundred sixty-eight million nine hundred ninety-three thousand eight hundred nineteen
Scientific notation
1.68993819 × 10^8
Engineering notation
1.68993819 × 10^6
Prime Factorization
9 × 821 × 22871
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
168993819
Product of the distinct prime numbers
The prime factorization of 168993819 is 9 × 821 × 22871.
Since it has a total of 3 prime factors.
6 , 3 , 10 , 55 , 627 , 527 , 8770 , 4749 , 29580 , 59114 , 580414 , 985793 , 5628764 , 2712195 , 40503938 , 22445580 , 301886709 , 471372401 , 1486089052 , 8766298891
n×2
337987638
n×3
506981457
n×4
675975276
n×5
844969095
n÷2
84496909.5
n÷3
56331273
n÷3
42248454.75
n÷5
33798763.8
n2
28558910860204761
n3
4.8262794127466E+24
n4
8.1561138952112E+32
n5
1.3783328353507E+41
2 √n
12999.762267057
3 √n
552.87074097859
4 √n
114.01649997723
5 √n
44.215461678776
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
-168993818
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 168993819 can be divided by 8 positive divisors.
The sum of these divisors (counting 168993819) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000100101010010000011011
3
Ternary
102202222202221100
4
Quaternary
22010222100123
5
Quinary
321230300234
6
Senary
24434042443
8
Octal
1204522033
10
Decimal
168993819
12
Duodecimal
48719423
16
Hexadecimal
a12a41b
20
Vigesimal
2cg44aj
36
Base36
2sm4gr
md5
3342ba66bf8704cc0ebb537f957f7bc9
sha1
6f54de84418a64b0afa0f0bea088c70fceb611a6
sha256
3c0fbd1d1dc1920191065c30e5a0a267b0f81a2edbcc941f2f6cb2cd99d39e8c
sha512
0689edd0f973d3ee8cd35abdc19a544d5689ddbcd935217a01e91e660a80286f5ff4eb741cb91f25fa1405b8c2564349fdeaa3e15e5467944b22881c6fba3229
ripemd-160
9d62d436aeb0c9da8bc984b5eba6285204cd6917
Diameter
337987638
Circumference
1061819480.545
Area
8.9720464552945E+16
Volume
2.0216271929675E+25
Surface area
3.5888185821178E+17
Circumference
1061819480.545
Perimeter
675975276
Area
28558910860204761
Diagonal
238993350.78702
Surface area
171353465161228566
Volume
4.8262794127466E+24
Space diagonal
292705880.6731
Perimeter
506981457
Area
1.2366371154676E+16
Altitude
146352940.33655
Surface area
1.2366371154676E+16
Volume
5.6878248344236E+23
Height
79664450.262341