668455655 is an odd 9-digits composite number following 668455654
and preceding 668455656 . In scientific notation, it is written as 6.68455655 × 10^8.
The sum of its digits is 50. It has a total of 4 prime factors and 16 positive divisors.
There are 441165312 positive integers (up to 668455655) that are relatively prime to 668455655.
668455655 has 16 divisors, whose sum is 917361984
The reverse of 668455655 is 556554866
Previous prime number is 11281
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 50
Digital Root 5
Name
six hundred sixty-eight million four hundred fifty-five thousand six hundred fifty-five
Scientific notation
6.68455655 × 10^8
Engineering notation
6.68455655 × 10^6
Prime Factorization
7 × 5 × 11281 × 1693
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
668455655
Product of the distinct prime numbers
The prime factorization of 668455655 is 7 × 5 × 11281 × 1693.
Since it has a total of 4 prime factors.
3 , 8 , 27 , 47 , 317 , 31 , 542 , 8986 , 32096 , 26263 , 805762 , 420396 , 3592918 , 7243890 , 92948747 , 37487889 , 808397845 , 513220415 , 5827602865 , 5031291114
n×2
1336911310
n×3
2005366965
n×4
2673822620
n×5
3342278275
n÷2
334227827.5
n÷3
222818551.66667
n÷3
167113913.75
n÷5
133691131
n2
446832962701479025
n3
2.9868802075821E+26
n4
1.9965969655658E+35
n5
1.3346365323883E+44
2 √n
25854.509374575
3 √n
874.36117943726
4 √n
160.79337478446
5 √n
58.212268031625
1 , 5 , 7 , 35 , 1693 , 8465 , 11281 , 11851 , 56405 , 59255 , 78967 , 394835 , 19098733 , 95493665 , 133691131 , 668455655
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-668455654
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 668455655 can be divided by 16 positive divisors.
The sum of these divisors (counting 668455655) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111110101111101001011100111
3
Ternary
1201120211001202212
4
Quaternary
213311331023213
5
Quinary
2332111040110
6
Senary
150155154035
8
Octal
4765751347
10
Decimal
668455655
12
Duodecimal
167a4591b
16
Hexadecimal
27d7d2e7
20
Vigesimal
a8hgj2f
36
Base36
b1zbon
md5
a87b3df08db5fee431e04a1de1ad6200
sha1
55cf0ee06db987a77a8589db173ff0cfea803ab8
sha256
52d38c7c22393e26ce7b0293ddfcc688febaf8b8073ad8c25432808052bec85e
sha512
bac14f83772285b156c73dc2ed960638f42bbbf67495932da0a1047fc284563340e3a7745a5674f129302bf22a1b79046d46fb64af65da8feeedca37e7500876
ripemd-160
06fa65d47f07770cc1cf1e668def9dda2a648f07
Diameter
1336911310
Circumference
4200030749.9971
Area
1.4037671530047E+18
Volume
1.251141455639E+27
Surface area
5.6150686120189E+18
Circumference
4200030749.9971
Perimeter
2673822620
Area
446832962701479025
Diagonal
945339053.14599
Surface area
2680997776208874150
Volume
2.9868802075821E+26
Space diagonal
1157799157.0667
Perimeter
2005366965
Area
1.9348434847387E+17
Altitude
578899578.53337
Surface area
1.9348434847387E+17
Volume
3.5200720822886E+25
Height
315113017.71533