168993939 is an odd 9-digits composite number following 168993938
and preceding 168993940 . In scientific notation, it is written as 1.68993939 × 10^8.
The sum of its digits is 57. It has a total of 3 prime factors and 8 positive divisors.
There are 112558280 positive integers (up to 168993939) that are relatively prime to 168993939.
168993939 has 8 divisors, whose sum is 225533952
The reverse of 168993939 is 939399861
Previous prime number is 1103
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 57
Digital Root 3
Name
one hundred sixty-eight million nine hundred ninety-three thousand nine hundred thirty-nine
Scientific notation
1.68993939 × 10^8
Engineering notation
1.68993939 × 10^6
Prime Factorization
3 × 1103 × 51071
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
168993939
Product of the distinct prime numbers
The prime factorization of 168993939 is 3 × 1103 × 51071.
Since it has a total of 3 prime factors.
9 , 4 , 77 , 1 , 111 , 933 , 9791 , 9313 , 70797 , 57197 , 828717 , 731089 , 1811359 , 1165061 , 1129684 , 88318684 , 777797620 , 817008462 , 6276217145 , 7197121269
n×2
337987878
n×3
506981817
n×4
675975756
n×5
844969695
n÷2
84496969.5
n÷3
56331313
n÷3
42248484.75
n÷5
33798787.8
n2
28558951418735721
n3
4.8262896939618E+24
n4
8.1561370613771E+32
n5
1.378337729026E+41
2 √n
12999.766882525
3 √n
552.87087184032
4 √n
114.01652021758
5 √n
44.215467958123
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
-168993938
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 168993939 can be divided by 8 positive divisors.
The sum of these divisors (counting 168993939) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000100101010010010010011
3
Ternary
102202222210002210
4
Quaternary
22010222102103
5
Quinary
321230301224
6
Senary
24434043203
8
Octal
1204522223
10
Decimal
168993939
12
Duodecimal
48719503
16
Hexadecimal
a12a493
20
Vigesimal
2cg44gj
36
Base36
2sm4k3
md5
aa8137b70d63e88725f1fd12048f346a
sha1
e297ea7fb8b4a9b11c4e00f64dfda4ec0330559e
sha256
6529549fd8465e5fb7fc27b5ed51e8d8c828b10f7c7822fbbc8b659b42530346
sha512
0e62e43f8b46ed65a391694446aa8d422d277f8c2175ccdce8a36fdfdc73dd38447bb6be04ae35bce32c8bf02ab9cea59ee8220fe92c0a299c2b91c61d7f3b01
ripemd-160
85adbe2f519a5ffbdcad3325ea0c8016d2951377
Diameter
337987878
Circumference
1061820234.5272
Area
8.9720591971328E+16
Volume
2.0216314995529E+25
Surface area
3.5888236788531E+17
Circumference
1061820234.5272
Perimeter
675975756
Area
28558951418735721
Diagonal
238993520.49265
Surface area
171353708512414326
Volume
4.8262896939618E+24
Space diagonal
292706088.5192
Perimeter
506981817
Area
1.2366388717035E+16
Altitude
146353044.2596
Surface area
1.2366388717035E+16
Volume
5.6878369509519E+23
Height
79664506.830884