668889736 is an even 9-digits composite number following 668889735
and preceding 668889737 . In scientific notation, it is written as 6.68889736 × 10^8.
The sum of its digits is 61. It has a total of 4 prime factors and 8 positive divisors.
There are 334444864 positive integers (up to 668889736) that are relatively prime to 668889736.
668889736 has 8 divisors, whose sum is 1254168270
The reverse of 668889736 is 637988866
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 61
Digital Root 7
Name
six hundred sixty-eight million eight hundred eighty-nine thousand seven hundred thirty-six
Scientific notation
6.68889736 × 10^8
Engineering notation
6.68889736 × 10^6
Prime Factorization
2 × 2 × 2 × 83611217
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
167222434
Product of the distinct prime numbers
The prime factorization of 668889736 is 2 × 2 × 2 × 83611217.
Since it has a total of 4 prime factors.
7 , 5 , 77 , 94 , 486 , 927 , 774 , 9954 , 74288 , 28448 , 884219 , 977834 , 7090603 , 8182903 , 11658955 , 78023727 , 120876935 , 498666252 , 2411385271 , 7498875348
n×2
1337779472
n×3
2006669208
n×4
2675558944
n×5
3344448680
n÷2
334444868
n÷3
222963245.33333
n÷3
167222434
n÷5
133777947.2
n2
447413478926149696
n3
2.9927028380175E+26
n4
2.001788211248E+35
n5
1.3389755881496E+44
2 √n
25862.902698653
3 √n
874.55040238524
4 √n
160.81947238644
5 √n
58.219826432325
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
-668889735
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 668889736 can be divided by 8 positive divisors.
The sum of these divisors (counting 668889736) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111110111100111001010001000
3
Ternary
1201121122010012221
4
Quaternary
213313213022020
5
Quinary
2332213432421
6
Senary
150212343424
8
Octal
4767471210
10
Decimal
668889736
12
Duodecimal
168014b74
16
Hexadecimal
27de7288
20
Vigesimal
a90b46g
36
Base36
b28mmg
md5
fbfea007c08c2fbd03661c4b267f1966
sha1
321f3eca7129c26887411a867b8f51ee6763602b
sha256
50fcb149230106d0e41398a2d62bae2f07b08a820c8e6a37e5a829b9fd5b634b
sha512
ccd948098a6e25ad728aafe6c8874d2e8cfdf8b36cedabacb1e3b0a5dbd2a3b7ce74896606c2fd4036751ac3a6340f20dcc69d4a53bb94f3fa0bdc216b2dc3d1
ripemd-160
e59be4549aceaf0e2003e8fc281f0d54cd5af6ae
Diameter
1337779472
Circumference
4202758161.3584
Area
1.4055908985114E+18
Volume
1.2535804333724E+27
Surface area
5.6223635940458E+18
Circumference
4202758161.3584
Perimeter
2675558944
Area
447413478926149696
Diagonal
945952936.38336
Surface area
2684480873556898176
Volume
2.9927028380175E+26
Space diagonal
1158551007.4133
Perimeter
2006669208
Area
1.9373571937281E+17
Altitude
579275503.70667
Surface area
1.9373571937281E+17
Volume
3.526934118064E+25
Height
315317645.46112