668889251 is an odd 9-digits prime number following 668889250
and preceding 668889252 . In scientific notation, it is written as 6.68889251 × 10^8.
The sum of its digits is 53. It has a total of 1 prime factors and 2 positive divisors.
There are 668889250 positive integers (up to 668889251) that are relatively prime to 668889251.
668889251 has 2 divisors, whose sum is 668889252
The reverse of 668889251 is 152988866
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 53
Digital Root 8
Name
six hundred sixty-eight million eight hundred eighty-nine thousand two hundred fifty-one
Scientific notation
6.68889251 × 10^8
Engineering notation
6.68889251 × 10^6
Prime Factorization
668889251
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
668889251
Product of the distinct prime numbers
The prime factorization of 668889251 is 668889251.
Since it has a total of 1 prime factors.
10 , 2 , 58 , 11 , 556 , 975 , 3721 , 3051 , 80545 , 71341 , 365471 , 796687 , 472327 , 2239051 , 56218432 , 32956912 , 485103171 , 683787249 , 2663313641 , 656205780
n×2
1337778502
n×3
2006667753
n×4
2675557004
n×5
3344446255
n÷2
334444625.5
n÷3
222963083.66667
n÷3
167222312.75
n÷5
133777850.2
n2
447412830103341001
n3
2.9926963281561E+26
n4
2.0017824054108E+35
n5
1.3389707338202E+44
2 √n
25862.893322287
3 √n
874.55019101156
4 √n
160.8194432346
5 √n
58.219817989492
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
668889252
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
334444626
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
25862.89334162
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.99999999701
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 668889251 can be divided by 2 positive divisors.
The sum of these divisors (counting 668889251) is 668889252, the average is 334444626.
Base
System
Value
2
Binary
100111110111100111000010100011
3
Ternary
1201121122002112222
4
Quaternary
213313213002203
5
Quinary
2332213424001
6
Senary
150212341255
8
Octal
4767470243
10
Decimal
668889251
12
Duodecimal
16801482b
16
Hexadecimal
27de70a3
20
Vigesimal
a90b32b
36
Base36
b28m8z
md5
a98459c8b247401243682fe41488a310
sha1
17dec79f2b8d2570dc1789cbb7ceaa71d116e562
sha256
31db4dce21662500d093b7a797e8445c34fc0500cdec50ed1a31ddb584e28218
sha512
fbecbe1e1ba4d188fe5cd343114f5323037b8cb46ae7763cb15afaa4a2863070a77908a83231cf614b6c1ab3ff199f6156f3f713d8bb1cc88b3568c023c28fbf
ripemd-160
bcfbb31b3644e7dfd229273c1b4cfad13530d9f5
Diameter
1337778502
Circumference
4202755114.0136
Area
1.4055888601745E+18
Volume
1.2535777065281E+27
Surface area
5.6223554406979E+18
Circumference
4202755114.0136
Perimeter
2675557004
Area
447412830103341001
Diagonal
945952250.48978
Surface area
2684476980620046006
Volume
2.9926963281561E+26
Space diagonal
1158550167.3687
Perimeter
2006667753
Area
1.9373543842429E+17
Altitude
579275083.68435
Surface area
1.9373543842429E+17
Volume
3.5269264461188E+25
Height
315317416.82993