668171489 is an odd 9-digits composite number following 668171488
and preceding 668171490 . In scientific notation, it is written as 6.68171489 × 10^8.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 646617540 positive integers (up to 668171489) that are relatively prime to 668171489.
668171489 has 4 divisors, whose sum is 689725440
The reverse of 668171489 is 984171866
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 50
Digital Root 5
Name
six hundred sixty-eight million one hundred seventy-one thousand four hundred eighty-nine
Scientific notation
6.68171489 × 10^8
Engineering notation
6.68171489 × 10^6
Prime Factorization
31 × 21553919
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
668171489
Product of the distinct prime numbers
The prime factorization of 668171489 is 31 × 21553919.
Since it has a total of 2 prime factors.
2 , 8 , 26 , 30 , 738 , 93 , 3328 , 9292 , 5947 , 34021 , 120601 , 520826 , 9467159 , 5840488 , 47385467 , 84495862 , 821618173 , 213443582 , 7939340946 , 4726608560
n×2
1336342978
n×3
2004514467
n×4
2672685956
n×5
3340857445
n÷2
334085744.5
n÷3
222723829.66667
n÷3
167042872.25
n÷5
133634297.8
n2
446453138712477121
n3
2.9830725846224E+26
n4
1.9932040506622E+35
n5
1.3318021184118E+44
2 √n
25849.013308055
3 √n
874.23726249858
4 √n
160.77628341287
5 √n
58.207317886975
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-668171488
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 668171489 can be divided by 4 positive divisors.
The sum of these divisors (counting 668171489) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111110100110111110011100001
3
Ternary
1201120021121222012
4
Quaternary
213310313303201
5
Quinary
2332022441424
6
Senary
150145122305
8
Octal
4764676341
10
Decimal
668171489
12
Duodecimal
167929395
16
Hexadecimal
27d37ce1
20
Vigesimal
a8g18e9
36
Base36
b1t8f5
md5
9cb2b25e6abbc900214aae9aeb32fecc
sha1
273111d458f1a6c65d2132ce03f85f4179c8818b
sha256
75c4e85f9445238379bf4692efe3aff358cfc34cdbb2c823e6555c9494e12a8a
sha512
42892d49612d46f87e6444c4af3488f8f00817b75f7d4d475107ee91ebd1cb38609ed90b1c0c7117adf86b514cbb7124790232efc98e6e4764c03d4e4c8865ce
ripemd-160
195a1d87c414d479cc6e47bbf8ed809873adca5c
Diameter
1336342978
Circumference
4198245282.3611
Area
1.4025739007512E+18
Volume
1.2495465222633E+27
Surface area
5.6102956030049E+18
Circumference
4198245282.3611
Perimeter
2672685956
Area
446453138712477121
Diagonal
944937181.73483
Surface area
2678718832274862726
Volume
2.9830725846224E+26
Space diagonal
1157306967.1169
Perimeter
2004514467
Area
1.9331987986215E+17
Altitude
578653483.55847
Surface area
1.9331987986215E+17
Volume
3.515584755597E+25
Height
314979060.57828