668045398 is an even 9-digits composite number following 668045397
and preceding 668045399 . In scientific notation, it is written as 6.68045398 × 10^8.
The sum of its digits is 49. It has a total of 4 prime factors and 16 positive divisors.
There are 330729696 positive integers (up to 668045398) that are relatively prime to 668045398.
668045398 has 16 divisors, whose sum is 1011986640
The reverse of 668045398 is 893540866
Previous prime number is 397
Is Prime? no
Number parity even
Number length 9
Sum of Digits 49
Digital Root 4
Name
six hundred sixty-eight million forty-five thousand three hundred ninety-eight
Scientific notation
6.68045398 × 10^8
Engineering notation
6.68045398 × 10^6
Prime Factorization
2 × 139 × 397 × 6053
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
668045398
Product of the distinct prime numbers
The prime factorization of 668045398 is 2 × 139 × 397 × 6053.
Since it has a total of 4 prime factors.
3 , 2 , 66 , 89 , 901 , 855 , 5392 , 1453 , 12921 , 96840 , 30602 , 963965 , 8715665 , 8089910 , 14344553 , 68851923 , 14502891 , 728246220 , 8598242891 , 1941510903
n×2
1336090796
n×3
2004136194
n×4
2672181592
n×5
3340226990
n÷2
334022699
n÷3
222681799.33333
n÷3
167011349.5
n÷5
133609079.6
n2
446284653788978404
n3
2.9813840916175E+26
n4
1.9916999220755E+35
n5
1.3305459671395E+44
2 √n
25846.574202397
3 √n
874.18226644479
4 √n
160.76869783138
5 √n
58.205120854293
1 , 2 , 139 , 278 , 397 , 794 , 6053 , 12106 , 55183 , 110366 , 841367 , 1682734 , 2403041 , 4806082 , 334022699 , 668045398
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
-668045397
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 668045398 can be divided by 16 positive divisors.
The sum of these divisors (counting 668045398) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111110100011001000001010110
3
Ternary
1201120001020000011
4
Quaternary
213310121001112
5
Quinary
2332004423043
6
Senary
150142310434
8
Octal
4764310126
10
Decimal
668045398
12
Duodecimal
16788841a
16
Hexadecimal
27d19056
20
Vigesimal
a8f5d9i
36
Base36
b1qj4m
md5
459858de6318b2c7bf3c323718fbeb57
sha1
bc7d4c650b740114fcf0a49e46e8c41513fd90de
sha256
ce1e5c8b88e379f9a06063c4a799ed5b048243a33fdfdb0ab61fe028833fc5bc
sha512
a960de577d8764891e27c4539c86482ff280ee0bd7a9505566804eef553cae463322e3c6d7c454e06b39ebf05ee4352daaf56d3d4232f9b93ae8ce76301f6881
ripemd-160
e0c7e16660818f987560197e41e66932ad14e2d7
Diameter
1336090796
Circumference
4197453029.2425
Area
1.4020445897533E+18
Volume
1.2488392479673E+27
Surface area
5.6081783590133E+18
Circumference
4197453029.2425
Perimeter
2672181592
Area
446284653788978404
Diagonal
944758862.13253
Surface area
2677707922733870424
Volume
2.9813840916175E+26
Space diagonal
1157088571.0986
Perimeter
2004136194
Area
1.932469237502E+17
Altitude
578544285.54929
Surface area
1.932469237502E+17
Volume
3.5135948475074E+25
Height
314919620.71084