168993955 is an odd 9-digits composite number following 168993954
and preceding 168993956 . In scientific notation, it is written as 1.68993955 × 10^8.
The sum of its digits is 55. It has a total of 3 prime factors and 8 positive divisors.
There are 124795488 positive integers (up to 168993955) that are relatively prime to 168993955.
168993955 has 8 divisors, whose sum is 218392272
The reverse of 168993955 is 559399861
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 55
Digital Root 1
Name
one hundred sixty-eight million nine hundred ninety-three thousand nine hundred fifty-five
Scientific notation
1.68993955 × 10^8
Engineering notation
1.68993955 × 10^6
Prime Factorization
13 × 5 × 2599907
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
168993955
Product of the distinct prime numbers
The prime factorization of 168993955 is 13 × 5 × 2599907.
Since it has a total of 3 prime factors.
1 , 10 , 26 , 50 , 942 , 375 , 4566 , 4976 , 85922 , 28216 , 26185 , 310436 , 9753216 , 8391268 , 36138017 , 90092481 , 744063434 , 30506335 , 3461579229 , 2117547263
n×2
337987910
n×3
506981865
n×4
675975820
n×5
844969775
n÷2
84496977.5
n÷3
56331318.333333
n÷3
42248488.75
n÷5
33798791
n2
28558956826542025
n3
4.8262910647916E+24
n4
8.1561401502029E+32
n5
1.3783383815171E+41
2 √n
12999.767497921
3 √n
552.87088928855
4 √n
114.01652291629
5 √n
44.215468795368
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
-168993954
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 168993955 can be divided by 8 positive divisors.
The sum of these divisors (counting 168993955) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000100101010010010100011
3
Ternary
102202222210010101
4
Quaternary
22010222102203
5
Quinary
321230301310
6
Senary
24434043231
8
Octal
1204522243
10
Decimal
168993955
12
Duodecimal
48719517
16
Hexadecimal
a12a4a3
20
Vigesimal
2cg44hf
36
Base36
2sm4kj
md5
6b72a9bf1d5a70d232fc7dc1f98302c9
sha1
b6e4fee46e2f6036a59f041a95e6b2acb53e6c6f
sha256
72d83c0a7aa845deb04988c599d818a22c2088206d46a4234eaed777b619f5e4
sha512
7ed36685549313772b3a6670deaf9ce921dee5b84fcfe906cfccef3af62b5d46c6107e15acf40bbe4356000214417dcc66da485be3be90d51b199c01fe972cf2
ripemd-160
84a5a748ec4872950fbfc09518967d912029fd27
Diameter
337987910
Circumference
1061820335.0582
Area
8.9720608960452E+16
Volume
2.0216320737647E+25
Surface area
3.5888243584181E+17
Circumference
1061820335.0582
Perimeter
675975820
Area
28558956826542025
Diagonal
238993543.12007
Surface area
171353740959252150
Volume
4.8262910647916E+24
Space diagonal
292706116.23201
Perimeter
506981865
Area
1.2366391058684E+16
Altitude
146353058.116
Surface area
1.2366391058684E+16
Volume
5.6878385664903E+23
Height
79664514.373356