668049687 is an odd 9-digits composite number following 668049686
and preceding 668049688 . In scientific notation, it is written as 6.68049687 × 10^8.
The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors.
There are 444003120 positive integers (up to 668049687) that are relatively prime to 668049687.
668049687 has 16 divisors, whose sum is 926550912
The reverse of 668049687 is 786940866
Previous prime number is 331
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 54
Digital Root 9
Name
six hundred sixty-eight million forty-nine thousand six hundred eighty-seven
Scientific notation
6.68049687 × 10^8
Engineering notation
6.68049687 × 10^6
Prime Factorization
27 × 3 × 331 × 24917
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
668049687
Product of the distinct prime numbers
The prime factorization of 668049687 is 27 × 3 × 331 × 24917.
Since it has a total of 4 prime factors.
4 , 4 , 67 , 45 , 179 , 268 , 8803 , 7715 , 83358 , 83955 , 407471 , 128288 , 3440251 , 1046462 , 11928716 , 76773876 , 81371973 , 176364805 , 8576040589 , 7552536018
n×2
1336099374
n×3
2004149061
n×4
2672198748
n×5
3340248435
n÷2
334024843.5
n÷3
222683229
n÷3
167012421.75
n÷5
133609937.4
n2
446290384300797969
n3
2.9814415154326E+26
n4
1.9917510711935E+35
n5
1.3305886796928E+44
2 √n
25846.65717264
3 √n
874.18413725563
4 √n
160.76895587345
5 √n
58.205195592064
1 , 3 , 27 , 81 , 331 , 993 , 8937 , 24917 , 26811 , 74751 , 672759 , 2018277 , 8247527 , 24742581 , 222683229 , 668049687
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
-668049686
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 668049687 can be divided by 16 positive divisors.
The sum of these divisors (counting 668049687) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111110100011010000100010111
3
Ternary
1201120001102220000
4
Quaternary
213310122010113
5
Quinary
2332010042222
6
Senary
150142342343
8
Octal
4764320427
10
Decimal
668049687
12
Duodecimal
16788a9b3
16
Hexadecimal
27d1a117
20
Vigesimal
a8f6447
36
Base36
b1qmfr
md5
b567f22ac7db65904df7082a6e3cd626
sha1
f5f880e109cb585389b4dfa16fd3d3fb533660fa
sha256
611fd8b54d31cd24373b876c7f8e8d7a157f55f7b2364cde03f9124884168358
sha512
16a8a0a18999c6858ac7039b722aff6f948db687a212191f6a9d74aed57ac105d0077e69f26bd8c60ce915985b137510976c7f925eca6dfc7955f4e2d5d418d2
ripemd-160
d7810756b66233dc83573ed5ac44de114a6fc509
Diameter
1336099374
Circumference
4197479977.8243
Area
1.4020625926872E+18
Volume
1.2488633015987E+27
Surface area
5.6082503707486E+18
Circumference
4197479977.8243
Perimeter
2672198748
Area
446290384300797969
Diagonal
944764927.6945
Surface area
2677742305804787814
Volume
2.9814415154326E+26
Space diagonal
1157095999.8645
Perimeter
2004149061
Area
1.9324940513461E+17
Altitude
578547999.93224
Surface area
1.9324940513461E+17
Volume
3.5136625221225E+25
Height
314921642.56483