668202391 is an odd 9-digits composite number following 668202390
and preceding 668202392 . In scientific notation, it is written as 6.68202391 × 10^8.
The sum of its digits is 37. It has a total of 5 prime factors and 16 positive divisors.
There are 625349760 positive integers (up to 668202391) that are relatively prime to 668202391.
668202391 has 16 divisors, whose sum is 713970720
The reverse of 668202391 is 193202866
Previous prime number is 491
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
six hundred sixty-eight million two hundred two thousand three hundred ninety-one
Scientific notation
6.68202391 × 10^8
Engineering notation
6.68202391 × 10^6
Prime Factorization
17 × 17 × 17 × 491 × 277
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
2312119
Product of the distinct prime numbers
The prime factorization of 668202391 is 17 × 17 × 17 × 491 × 277.
Since it has a total of 5 prime factors.
4 , 3 , 72 , 64 , 781 , 446 , 7915 , 3941 , 85198 , 1937 , 884142 , 267440 , 7421114 , 7111829 , 38743302 , 99643314 , 872084337 , 972820188 , 3911649973 , 9232963400
n×2
1336404782
n×3
2004607173
n×4
2672809564
n×5
3341011955
n÷2
334101195.5
n÷3
222734130.33333
n÷3
167050597.75
n÷5
133640478.2
n2
446494435338116881
n3
2.9834864926112E+26
n4
1.993572807879E+35
n5
1.3321101168574E+44
2 √n
25849.611041561
3 √n
874.25073970908
4 √n
160.77814230038
5 √n
58.207856278478
1 , 17 , 277 , 289 , 491 , 4709 , 4913 , 8347 , 80053 , 136007 , 141899 , 1360901 , 2312119 , 2412283 , 39306023 , 668202391
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-668202390
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 668202391 can be divided by 16 positive divisors.
The sum of these divisors (counting 668202391) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111110100111111010110010111
3
Ternary
1201120100012100201
4
Quaternary
213310333112113
5
Quinary
2332024434031
6
Senary
150145521331
8
Octal
4764772627
10
Decimal
668202391
12
Duodecimal
167943247
16
Hexadecimal
27d3f597
20
Vigesimal
a8g55jb
36
Base36
b1tw9j
md5
5af66bd5ca52e26895601bd95a108543
sha1
98191f2b5fda4a554f55ffc79220767f14877a89
sha256
a62c83ecdebd6a4e97c357691362aa72439ee1f328b1f4f85d6367017c46d3be
sha512
bc2d26497bd4821eb19281327f6272c79fa46f80334ddd8edf4e8fc3f1fa8d7ddf4bcce57c7a5775299decbe86d2217e8689d6f09a531bbe2e1e00b7078c2067
ripemd-160
af1f8148e3d074e7bac5e534c4fcafd741cf5a6b
Diameter
1336404782
Circumference
4198439445.3535
Area
1.402703637927E+18
Volume
1.2497198996362E+27
Surface area
5.6108145517078E+18
Circumference
4198439445.3535
Perimeter
2672809564
Area
446494435338116881
Diagonal
944980883.76233
Surface area
2678966612028701286
Volume
2.9834864926112E+26
Space diagonal
1157360490.951
Perimeter
2004607173
Area
1.933377618256E+17
Altitude
578680245.4755
Surface area
1.933377618256E+17
Volume
3.5160725508398E+25
Height
314993627.92078