668891198 is an even 9-digits composite number following 668891197
and preceding 668891199 . In scientific notation, it is written as 6.68891198 × 10^8.
The sum of its digits is 56. It has a total of 3 prime factors and 8 positive divisors.
There are 319904464 positive integers (up to 668891198) that are relatively prime to 668891198.
668891198 has 8 divisors, whose sum is 1046960208
The reverse of 668891198 is 891198866
Previous prime number is 23
Is Prime? no
Number parity even
Number length 9
Sum of Digits 56
Digital Root 2
Name
six hundred sixty-eight million eight hundred ninety-one thousand one hundred ninety-eight
Scientific notation
6.68891198 × 10^8
Engineering notation
6.68891198 × 10^6
Prime Factorization
2 × 23 × 14541113
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
668891198
Product of the distinct prime numbers
The prime factorization of 668891198 is 2 × 23 × 14541113.
Since it has a total of 3 prime factors.
1 , 2 , 48 , 52 , 54 , 876 , 2700 , 732 , 41948 , 34924 , 600573 , 609490 , 3053318 , 3446798 , 41884683 , 36174009 , 480048972 , 179659849 , 258847044 , 4188385900
n×2
1337782396
n×3
2006673594
n×4
2675564792
n×5
3344455990
n÷2
334445599
n÷3
222963732.66667
n÷3
167222799.5
n÷5
133778239.6
n2
447415434761875204
n3
2.9927224616156E+26
n4
2.0018057126316E+35
n5
1.3389902212854E+44
2 √n
25862.93096306
3 √n
874.5510395564
4 √n
160.81956026261
5 √n
58.219851882652
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-668891197
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 668891198 can be divided by 8 positive divisors.
The sum of these divisors (counting 668891198) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111110111100111100000111110
3
Ternary
1201121122012020002
4
Quaternary
213313213200332
5
Quinary
2332214004243
6
Senary
150212354302
8
Octal
4767474076
10
Decimal
668891198
12
Duodecimal
168015992
16
Hexadecimal
27de783e
20
Vigesimal
a90b7ji
36
Base36
b28nr2
md5
e8de36be8f7dcad34bc7115dc1705e58
sha1
d3a4190c97e86225a0c55bc1acee178917be55f5
sha256
ead9f98f43a4a19242489caf1e1de43cd76ee47601c15d573f9849093455f1a6
sha512
72f4a8ec9ff03d2cd975261a6bd4c0a450b0fdd5484b56da0fb0134dcfb7f6bf3b27df42a7187ad6dfac25bf868f484a7a27be8f3c95b2150ff515a8f1d06b20
ripemd-160
5de17d7edef9e16c705b5c490ff35893d74db396
Diameter
1337782396
Circumference
4202767347.3754
Area
1.4055970429506E+18
Volume
1.253588653286E+27
Surface area
5.6223881718024E+18
Circumference
4202767347.3754
Perimeter
2675564792
Area
447415434761875204
Diagonal
945955003.96359
Surface area
2684492608571251224
Volume
2.9927224616156E+26
Space diagonal
1158553539.6716
Perimeter
2006673594
Area
1.9373656627452E+17
Altitude
579276769.83581
Surface area
1.9373656627452E+17
Volume
3.5269572446962E+25
Height
315318334.65453