668227989 is an odd 9-digits composite number following 668227988
and preceding 668227990 . In scientific notation, it is written as 6.68227989 × 10^8.
The sum of its digits is 57. It has a total of 4 prime factors and 16 positive divisors.
There are 373833600 positive integers (up to 668227989) that are relatively prime to 668227989.
668227989 has 16 divisors, whose sum is 1046735424
The reverse of 668227989 is 989722866
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 57
Digital Root 3
Name
six hundred sixty-eight million two hundred twenty-seven thousand nine hundred eighty-nine
Scientific notation
6.68227989 × 10^8
Engineering notation
6.68227989 × 10^6
Prime Factorization
3 × 11 × 13 × 1557641
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
668227989
Product of the distinct prime numbers
The prime factorization of 668227989 is 3 × 11 × 13 × 1557641.
Since it has a total of 4 prime factors.
4 , 5 , 15 , 32 , 667 , 147 , 8985 , 5827 , 9232 , 92163 , 972861 , 412356 , 6807728 , 3975297 , 63543921 , 60349663 , 442777807 , 935222712 , 6691072286 , 6433414682
n×2
1336455978
n×3
2004683967
n×4
2672911956
n×5
3341139945
n÷2
334113994.5
n÷3
222742663
n÷3
167056997.25
n÷5
133645597.8
n2
446528645282984121
n3
2.9838293866834E+26
n4
1.9938783105826E+35
n5
1.3323652937913E+44
2 √n
25850.106169995
3 √n
874.26190338492
4 √n
160.77968208077
5 √n
58.208302245716
1 , 3 , 11 , 13 , 33 , 39 , 143 , 429 , 1557641 , 4672923 , 17134051 , 20249333 , 51402153 , 60747999 , 222742663 , 668227989
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
-668227988
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 668227989 can be divided by 16 positive divisors.
The sum of these divisors (counting 668227989) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111110101000101100110010101
3
Ternary
1201120101111110210
4
Quaternary
213311011212111
5
Quinary
2332031243424
6
Senary
150150240033
8
Octal
4765054625
10
Decimal
668227989
12
Duodecimal
167956019
16
Hexadecimal
27d45995
20
Vigesimal
a8g89j9
36
Base36
b1ug0l
md5
c42807c394c6cb41914992e5614736f3
sha1
3a9e2a6c0d58d4cec25e8f883185d541f95242b7
sha256
dfe1c6fb148b10c9161ed417b41cc9219365abfd4ac629685f73ffe86aed25c7
sha512
2fd4e9646eae30fa57f55fbf408088f4cf58fb4976664d3be33cb99f6d5e843c82b111144e3d75a502c73acae4dfebede51e0236c75f271b90fb8eea3a7fb656
ripemd-160
e6ee9a933fce87e6e8db94100e0a26d34f677421
Diameter
1336455978
Circumference
4198600282.331
Area
1.4028111116384E+18
Volume
1.2498635307693E+27
Surface area
5.6112444465537E+18
Circumference
4198600282.331
Perimeter
2672911956
Area
446528645282984121
Diagonal
945017084.8011
Surface area
2679171871697904726
Volume
2.9838293866834E+26
Space diagonal
1157404827.9876
Perimeter
2004683967
Area
1.9335257516626E+17
Altitude
578702413.99379
Surface area
1.9335257516626E+17
Volume
3.5164766553792E+25
Height
315005694.9337