668812481 is an odd 9-digits composite number following 668812480
and preceding 668812482 . In scientific notation, it is written as 6.68812481 × 10^8.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 650736432 positive integers (up to 668812481) that are relatively prime to 668812481.
668812481 has 4 divisors, whose sum is 686888532
The reverse of 668812481 is 184218866
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 44
Digital Root 8
Name
six hundred sixty-eight million eight hundred twelve thousand four hundred eighty-one
Scientific notation
6.68812481 × 10^8
Engineering notation
6.68812481 × 10^6
Prime Factorization
37 × 18076013
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
668812481
Product of the distinct prime numbers
The prime factorization of 668812481 is 37 × 18076013.
Since it has a total of 2 prime factors.
6 , 1 , 55 , 78 , 11 , 956 , 328 , 4137 , 30611 , 15864 , 419585 , 627658 , 9634292 , 3354269 , 61236074 , 17599178 , 991496524 , 105529688 , 646828396 , 8544948615
n×2
1337624962
n×3
2006437443
n×4
2675249924
n×5
3344062405
n÷2
334406240.5
n÷3
222937493.66667
n÷3
167203120.25
n÷5
133762496.2
n2
447310134741375361
n3
2.9916660099282E+26
n4
2.0008635664235E+35
n5
1.3382025260022E+44
2 √n
25861.409107007
3 √n
874.51673166743
4 √n
160.8148286291
5 √n
58.218481522916
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
-668812480
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 668812481 can be divided by 4 positive divisors.
The sum of these divisors (counting 668812481) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111110111010100010011000001
3
Ternary
1201121111012020122
4
Quaternary
213313110103001
5
Quinary
2332203444411
6
Senary
150210550025
8
Octal
4767242301
10
Decimal
668812481
12
Duodecimal
167b98315
16
Hexadecimal
27dd44c1
20
Vigesimal
a901b41
36
Base36
b26z0h
md5
18eb4d2fe988544717fbd847b7e8b5d9
sha1
2e52dbf107688b60e98f7afa06f6d5955a263e79
sha256
c5e62368a48ad68968b760d2cb544fb03c1571e706ebddaee6ae0a3a546cd8f3
sha512
0166226b81f3554d21929dd82a1173e0642ca9545b7e23de8a8e99ad874d506c02dbc7b90dcfbc783da36629f03a1909f3807e7fae215fc386a17711ef484e88
ripemd-160
a54e975da9372d274f61b124779530ac45a90806
Diameter
1337624962
Circumference
4202272753.8775
Area
1.4052662331798E+18
Volume
1.253146127838E+27
Surface area
5.6210649327191E+18
Circumference
4202272753.8775
Perimeter
2675249924
Area
447310134741375361
Diagonal
945843681.3146
Surface area
2683860808448252166
Volume
2.9916660099282E+26
Space diagonal
1158417197.8282
Perimeter
2006437443
Area
1.9369097002814E+17
Altitude
579208598.9141
Surface area
1.9369097002814E+17
Volume
3.5257122044426E+25
Height
315281227.10487