168993971 is an odd 9-digits prime number following 168993970
and preceding 168993972 . In scientific notation, it is written as 1.68993971 × 10^8.
The sum of its digits is 53. It has a total of 1 prime factors and 2 positive divisors.
There are 168993970 positive integers (up to 168993971) that are relatively prime to 168993971.
168993971 has 2 divisors, whose sum is 168993972
The reverse of 168993971 is 179399861
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 53
Digital Root 8
Name
one hundred sixty-eight million nine hundred ninety-three thousand nine hundred seventy-one
Scientific notation
1.68993971 × 10^8
Engineering notation
1.68993971 × 10^6
Prime Factorization
168993971
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
168993971
Product of the distinct prime numbers
The prime factorization of 168993971 is 168993971.
Since it has a total of 1 prime factors.
8 , 10 , 36 , 45 , 271 , 676 , 1287 , 9490 , 88255 , 21885 , 717072 , 821819 , 1574762 , 9896643 , 16860339 , 4671175 , 546008984 , 196815673 , 8162123186 , 995562644
n×2
337987942
n×3
506981913
n×4
675975884
n×5
844969855
n÷2
84496985.5
n÷3
56331323.666667
n÷3
42248492.75
n÷5
33798794.2
n2
28558962234348841
n3
4.8262924356216E+24
n4
8.1561432390296E+32
n5
1.3783390340084E+41
2 √n
12999.768113316
3 √n
552.87090673677
4 √n
114.016525615
5 √n
44.215469632614
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
168993972
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
84496986
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
12999.768151779
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999881653
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 168993971 can be divided by 2 positive divisors.
The sum of these divisors (counting 168993971) is 168993972, the average is 84496986.
Base
System
Value
2
Binary
1010000100101010010010110011
3
Ternary
102202222210010222
4
Quaternary
22010222102303
5
Quinary
321230301341
6
Senary
24434043255
8
Octal
1204522263
10
Decimal
168993971
12
Duodecimal
4871952b
16
Hexadecimal
a12a4b3
20
Vigesimal
2cg44ib
36
Base36
2sm4kz
md5
8555d7589b648c9518006b05c68f33d3
sha1
887c5400148a0a9256e130c298aa846ac938b63d
sha256
74ad5dde6b20ac377cf28d2dcc34143d6d6a2d5a1b32c41d9ac9e92c5b21ae97
sha512
e8e670c5ee95f26f3c5a2ce89be3ecdca99dcf9bf13de6d44b5129221f2d4e35eb0fff30f17a737773ddfb351a70d91f66ece621c1f972aafa5fc17a25cd55db
ripemd-160
08ebd2d4716676334cdc166637b7de1fb06789aa
Diameter
337987942
Circumference
1061820435.5891
Area
8.9720625949579E+16
Volume
2.0216326479767E+25
Surface area
3.5888250379831E+17
Circumference
1061820435.5891
Perimeter
675975884
Area
28558962234348841
Diagonal
238993565.74749
Surface area
171353773406093046
Volume
4.8262924356216E+24
Space diagonal
292706143.94482
Perimeter
506981913
Area
1.2366393400333E+16
Altitude
146353071.97241
Surface area
1.2366393400333E+16
Volume
5.687840182029E+23
Height
79664521.915829