168993940 is an even 9-digits composite number following 168993939
and preceding 168993941 . In scientific notation, it is written as 1.68993940 × 10^8.
The sum of its digits is 49. It has a total of 5 prime factors and 24 positive divisors.
There are 63621120 positive integers (up to 168993940) that are relatively prime to 168993940.
168993940 has 24 divisors, whose sum is 375763752
The reverse of 168993940 is 049399861
Previous prime number is 17
Is Prime? no Number parity even Number length 9 Sum of Digits 49 Digital Root 4
Name
one hundred sixty-eight million nine hundred ninety-three thousand nine hundred forty
Scientific notation
1.68993940 × 10^8
Engineering notation
1.68993940 × 10^6
Prime Factorization
2 × 2 × 5 × 17 × 497041
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
84496970 Product of the distinct prime numbers
The prime factorization of 168993940 is 2 × 2 × 5 × 17 × 497041.
Since it has a total of 5 prime factors.
8 , 5 , 63 , 39 , 18 , 352 , 8011 , 4515 , 80694 , 72157 , 464258 , 191315 , 331963 , 3180502 , 78463838 , 25536827 , 78303186 , 452082282 , 650944191 , 6773894820
n×2
337987880
n×3
506981820
n×4
675975760
n×5
844969700
n÷2
84496970
n÷3
56331313.333333
n÷3
42248485
n÷5
33798788
n2
28558951756723600
n3
4.8262897796386E+24
n4
8.1561372544287E+32
n5
1.3783377698067E+41
2 √n12999.766920987
3 √n552.87087293084
4 √n114.01652038625
5 √n44.21546801045
1 , 2 , 4 , 5 , 10 , 17 , 20 , 34 , 68 , 85 , 170 , 340 , 497041 , 994082 , 1988164 , 2485205 , 4970410 , 8449697 , 9940820 , 16899394 , 33798788 , 42248485 , 84496970 , 168993940
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-168993939 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 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
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 168993940 can be divided by 24 positive divisors.
The sum of these divisors (counting 168993940) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000100101010010010010100
3
Ternary
102202222210002211
4
Quaternary
22010222102110
5
Quinary
321230301230
6
Senary
24434043204
8
Octal
1204522224
10
Decimal
168993940
12
Duodecimal
48719504
16
Hexadecimal
a12a494
20
Vigesimal
2cg44h0
36
Base36
2sm4k4
md5
f9c79a2eb44da8834375703c954d7195
sha1
17f62f05d90391d5d4333f51a0d95296f5a734d3
sha256
7b7742b277dcbb450d9663d75423e43dc9e1e3e84e12fc26b3cc12d5e6e90a15
sha512
968e848d9e1b30b5e2ab2794bbb4ef0d26a5643895f4e819274fdaf5b44289f736933c0a67455d0d1eefbea076082887fad77a8f0deb424b3e268e6034d538a3
ripemd-160
ea30d528197a92748e49b4699155fe0e8e2b0bbc
Diameter
337987880
Circumference
1061820240.8104
Area
8.9720593033148E+16
Volume
2.0216315354411E+25
Surface area
3.5888237213259E+17
Circumference
1061820240.8104
Perimeter
675975760
Area
28558951756723600
Diagonal
238993521.90687
Surface area
171353710540341600
Volume
4.8262897796386E+24
Space diagonal
292706090.25125
Perimeter
506981820
Area
1.2366388863388E+16
Altitude
146353045.12562
Surface area
1.2366388863388E+16
Volume
5.687837051923E+23
Height
79664507.302288