668889612 is an even 9-digits composite number following 668889611
and preceding 668889613 . In scientific notation, it is written as 6.68889612 × 10^8.
The sum of its digits is 54. It has a total of 5 prime factors and 18 positive divisors.
There are 222963192 positive integers (up to 668889612) that are relatively prime to 668889612.
668889612 has 18 divisors, whose sum is 1690804388
The reverse of 668889612 is 216988866
Previous prime number is 3
Is Prime? no Number parity even Number length 9 Sum of Digits 54 Digital Root 9
Name
six hundred sixty-eight million eight hundred eighty-nine thousand six hundred twelve
Scientific notation
6.68889612 × 10^8
Engineering notation
6.68889612 × 10^6
Prime Factorization
2 × 2 × 3 × 3 × 18580267
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
111481602 Product of the distinct prime numbers
The prime factorization of 668889612 is 2 × 2 × 3 × 3 × 18580267.
Since it has a total of 5 prime factors.
1 , 7 , 99 , 10 , 467 , 89 , 3900 , 9796 , 22333 , 14135 , 293166 , 401859 , 7242749 , 8683343 , 84502742 , 83670100 , 18104070 , 380555387 , 2856958875 , 358331725
n×2
1337779224
n×3
2006668836
n×4
2675558448
n×5
3344448060
n÷2
334444806
n÷3
222963204
n÷3
167222403
n÷5
133777922.4
n2
447413313041510544
n3
2.9927011736397E+26
n4
2.0017867268678E+35
n5
1.3389743470414E+44
2 √n25862.900301397
3 √n874.55034834332
4 √n160.81946493319
5 √n58.219824273746
1 , 2 , 3 , 4 , 6 , 9 , 12 , 18 , 36 , 18580267 , 37160534 , 55740801 , 74321068 , 111481602 , 167222403 , 222963204 , 334444806 , 668889612
18 divisors
τ Total Divisors
18 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-668889611 Sum of the proper positive divisors of n
A Arithmetic Mean
0.055555555555556 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
18 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 668889612 can be divided by 18 positive divisors.
The sum of these divisors (counting 668889612) is 1, the average is 0.055555555555556.
Base
System
Value
2
Binary
100111110111100111001000001100
3
Ternary
1201121122010001100
4
Quaternary
213313213020030
5
Quinary
2332213431422
6
Senary
150212343100
8
Octal
4767471014
10
Decimal
668889612
12
Duodecimal
168014a90
16
Hexadecimal
27de720c
20
Vigesimal
a90b40c
36
Base36
b28mj0
md5
6c888825e388c2de0cebe06c96e00ca5
sha1
0dccc35dea0355529126d165d061b4586d92bf4b
sha256
bb98baf0b37bfbb6fda6b77ea4a77b47cba562be045d50eab3b49bed02db776b
sha512
b306728eb83df24305d1b18f5f6976b6547009b8045abaf1bcabfbb15a23917b192f454a512ac4faab25166c7c7919bee2040fc5db6cb7bdd1b31eff2c97f53c
ripemd-160
a3e3cad70063736eb01868aef010aa6ba761a9b5
Diameter
1337779224
Circumference
4202757382.2435
Area
1.4055903773695E+18
Volume
1.2535797361995E+27
Surface area
5.6223615094779E+18
Circumference
4202757382.2435
Perimeter
2675558448
Area
447413313041510544
Diagonal
945952761.02088
Surface area
2684479878249063264
Volume
2.9927011736397E+26
Space diagonal
1158550792.639
Perimeter
2006668836
Area
1.9373564754265E+17
Altitude
579275396.31952
Surface area
1.9373564754265E+17
Volume
3.526932156576E+25
Height
315317587.00696