668748461 is an odd 9-digits composite number following 668748460
and preceding 668748462 . In scientific notation, it is written as 6.68748461 × 10^8.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 647175900 positive integers (up to 668748461) that are relatively prime to 668748461.
668748461 has 4 divisors, whose sum is 690321024
The reverse of 668748461 is 164847866
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 50
Digital Root 5
Name
six hundred sixty-eight million seven hundred forty-eight thousand four hundred sixty-one
Scientific notation
6.68748461 × 10^8
Engineering notation
6.68748461 × 10^6
Prime Factorization
31 × 21572531
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
668748461
Product of the distinct prime numbers
The prime factorization of 668748461 is 31 × 21572531.
Since it has a total of 2 prime factors.
2 , 5 , 7 , 37 , 159 , 368 , 7383 , 8752 , 37062 , 25699 , 248344 , 952579 , 723275 , 997975 , 12996323 , 81200219 , 834675717 , 970553595 , 7279333336 , 5801188596
n×2
1337496922
n×3
2006245383
n×4
2674993844
n×5
3343742305
n÷2
334374230.5
n÷3
222916153.66667
n÷3
167187115.25
n÷5
133749692.2
n2
447224504089868521
n3
2.9908069883159E+26
n4
2.0000975705843E+35
n5
1.3375621721781E+44
2 √n
25860.171325805
3 √n
874.48882730997
4 √n
160.8109801158
5 √n
58.21736692353
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-668748460
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 668748461 can be divided by 4 positive divisors.
The sum of these divisors (counting 668748461) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111110111000100101010101101
3
Ternary
1201121100221102112
4
Quaternary
213313010222231
5
Quinary
2332144422321
6
Senary
150205333405
8
Octal
4767045255
10
Decimal
668748461
12
Duodecimal
167b67265
16
Hexadecimal
27dc4aad
20
Vigesimal
a8jdb31
36
Base36
b25lm5
md5
8da9480ab698c0b22c7df190d573211e
sha1
f6761bda863826decd5c024364820fbfb8dc18ce
sha256
872c32c702463d85c3bdf7aaf95a14d0ed741c6aff9e62da41f16da2fb3db6e3
sha512
210cba98eaceea8284a069c5e2fef1a8869340bbc98ba7b2d21f227ec7f8f9e912a1c314edb52550d2a993deea2bae96c9532862017ea9f832ac3fc30bf40073
ripemd-160
4f2df67af8af9e9ae9f547167fdd73cb97762ce9
Diameter
1337496922
Circumference
4201870504.3542
Area
1.4049972165541E+18
Volume
1.2527863017064E+27
Surface area
5.6199888662163E+18
Circumference
4201870504.3542
Perimeter
2674993844
Area
447224504089868521
Diagonal
945753143.36233
Surface area
2683347024539211126
Volume
2.9908069883159E+26
Space diagonal
1158306311.9355
Perimeter
2006245383
Area
1.9365389086836E+17
Altitude
579153155.96775
Surface area
1.9365389086836E+17
Volume
3.5246998377638E+25
Height
315251047.78744