668889289 is an odd 9-digits composite number following 668889288
and preceding 668889290 . In scientific notation, it is written as 6.68889289 × 10^8.
The sum of its digits is 64. It has a total of 4 prime factors and 12 positive divisors.
There are 626170952 positive integers (up to 668889289) that are relatively prime to 668889289.
668889289 has 12 divisors, whose sum is 714139776
The reverse of 668889289 is 982988866
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 64
Digital Root 1
Name
six hundred sixty-eight million eight hundred eighty-nine thousand two hundred eighty-nine
Scientific notation
6.68889289 × 10^8
Engineering notation
6.68889289 × 10^6
Prime Factorization
47 × 23 × 23 × 26903
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
29082143
Product of the distinct prime numbers
The prime factorization of 668889289 is 47 × 23 × 23 × 26903.
Since it has a total of 4 prime factors.
7 , 5 , 5 , 42 , 966 , 853 , 709 , 773 , 49688 , 45235 , 428542 , 451066 , 1683337 , 9271009 , 44916397 , 21377569 , 236828805 , 161358162 , 3545385774 , 7571384355
n×2
1337778578
n×3
2006667867
n×4
2675557156
n×5
3344446445
n÷2
334444644.5
n÷3
222963096.33333
n÷3
167222322.25
n÷5
133777857.8
n2
447412880938925521
n3
2.9926968382068E+26
n4
2.0017828603007E+35
n5
1.3389711141589E+44
2 √n
25862.89405693
3 √n
874.5502075728
4 √n
160.81944551866
5 √n
58.219818650992
1 , 23 , 47 , 529 , 1081 , 24863 , 26903 , 618769 , 1264441 , 14231687 , 29082143 , 668889289
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-668889288
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 668889289 can be divided by 12 positive divisors.
The sum of these divisors (counting 668889289) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100111110111100111000011001001
3
Ternary
1201121122002121101
4
Quaternary
213313213003021
5
Quinary
2332213424124
6
Senary
150212341401
8
Octal
4767470311
10
Decimal
668889289
12
Duodecimal
168014861
16
Hexadecimal
27de70c9
20
Vigesimal
a90b349
36
Base36
b28ma1
md5
d89eb5dea9aaf58bee4e8bd23073da67
sha1
71fe1cb102a288301c04853de1e0d481b99bb69c
sha256
a645021dbd4c0b8c3bb837d5075ca440fd8c75bbb48cb919d8245dee1a920552
sha512
00093c2fa16f08d6fa74edea2437379843eb871d1d36e94f78b061d0be9f9d92fe3363b043d25acb933d2f00565361111c4b04b7218e03fd660e266ece9abb63
ripemd-160
af8713d660b2191f10b4fd6ac87d18be91d1ec10
Diameter
1337778578
Circumference
4202755352.7746
Area
1.4055890198792E+18
Volume
1.2535779201776E+27
Surface area
5.6223560795167E+18
Circumference
4202755352.7746
Perimeter
2675557156
Area
447412880938925521
Diagonal
945952304.2299
Surface area
2684477285633553126
Volume
2.9926968382068E+26
Space diagonal
1158550233.1866
Perimeter
2006667867
Area
1.9373546043675E+17
Altitude
579275116.59331
Surface area
1.9373546043675E+17
Volume
3.5269270472193E+25
Height
315317434.7433