668804977 is an odd 9-digits composite number following 668804976
and preceding 668804978 . In scientific notation, it is written as 6.68804977 × 10^8.
The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors.
There are 667085296 positive integers (up to 668804977) that are relatively prime to 668804977.
668804977 has 4 divisors, whose sum is 670524660
The reverse of 668804977 is 779408866
Previous prime number is 389
Is Prime? no Number parity odd Number length 9 Sum of Digits 55 Digital Root 1
Name
six hundred sixty-eight million eight hundred four thousand nine hundred seventy-seven
Scientific notation
6.68804977 × 10^8
Engineering notation
6.68804977 × 10^6
Prime Factorization
389 × 1719293
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
668804977 Product of the distinct prime numbers
The prime factorization of 668804977 is 389 × 1719293.
Since it has a total of 2 prime factors.
3 , 4 , 20 , 51 , 597 , 931 , 8856 , 8512 , 71065 , 97765 , 357405 , 732965 , 9663252 , 3057208 , 11302000 , 26529497 , 123092797 , 9080573 , 5102501629 , 4144067505
n×2
1337609954
n×3
2006414931
n×4
2675219908
n×5
3344024885
n÷2
334402488.5
n÷3
222934992.33333
n÷3
167201244.25
n÷5
133760995.4
n2
447300097259970529
n3
2.9915653126005E+26
n4
2.0007737700878E+35
n5
1.3381274552858E+44
2 √n25861.264025565
3 √n874.51346099576
4 √n160.81437754618
5 √n58.218350881381
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
-668804976 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 668804977 can be divided by 4 positive divisors.
The sum of these divisors (counting 668804977) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111110111010010011101110001
3
Ternary
1201121110210221201
4
Quaternary
213313102131301
5
Quinary
2332203224402
6
Senary
150210451201
8
Octal
4767223561
10
Decimal
668804977
12
Duodecimal
167b93b01
16
Hexadecimal
27dd2771
20
Vigesimal
a900c8h
36
Base36
b26t81
md5
1f0574f3718759195023f6d404bf1b1e
sha1
c72168b627289ed6334a0eb73bf8c550e53df611
sha256
8284e721339a311b0ce13c31849775c6bcf2be64532093789c24e851b2b72a01
sha512
f621a617bb3d777b80ad7d2e61ffc01bcf8faa66e7e233d82e80228f1b69e312c65db7d7e088814f34a78d0b73efc6892bc40cf233e9dcf1b9d0c127f24743fd
ripemd-160
b66cad1a72cb1e31ac2351b34dc98bac84a4f8bb
Diameter
1337609954
Circumference
4202225604.855
Area
1.4052346995019E+18
Volume
1.25310394784E+27
Surface area
5.6209387980077E+18
Circumference
4202225604.855
Perimeter
2675219908
Area
447300097259970529
Diagonal
945833069.05603
Surface area
2683800583559823174
Volume
2.9915653126005E+26
Space diagonal
1158404200.5189
Perimeter
2006414931
Area
1.9368662367119E+17
Altitude
579202100.25947
Surface area
1.9368662367119E+17
Volume
3.5255935315038E+25
Height
315277689.68534