668717811 is an odd 9-digits composite number following 668717810
and preceding 668717812 . In scientific notation, it is written as 6.68717811 × 10^8.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 432484416 positive integers (up to 668717811) that are relatively prime to 668717811.
668717811 has 16 divisors, whose sum is 765468000
The reverse of 668717811 is 118717866
Previous prime number is 149
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
six hundred sixty-eight million seven hundred seventeen thousand eight hundred eleven
Scientific notation
6.68717811 × 10^8
Engineering notation
6.68717811 × 10^6
Prime Factorization
9 × 43 × 149 × 11597
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
668717811
Product of the distinct prime numbers
The prime factorization of 668717811 is 9 × 43 × 149 × 11597.
Since it has a total of 4 prime factors.
10 , 7 , 36 , 8 , 648 , 368 , 1722 , 9912 , 64564 , 9128 , 250654 , 198816 , 4875983 , 409461 , 75480689 , 71530852 , 129148678 , 703874277 , 7238966358 , 5421267850
n×2
1337435622
n×3
2006153433
n×4
2674871244
n×5
3343589055
n÷2
334358905.5
n÷3
222905937
n÷3
167179452.75
n÷5
133743562.2
n2
447183510748631721
n3
2.9903957842312E+26
n4
1.9997309228547E+35
n5
1.3372556853204E+44
2 √n
25859.578708865
3 √n
874.47546728319
4 √n
160.8091375167
5 √n
58.216833271458
1 , 9 , 43 , 149 , 387 , 1341 , 6407 , 11597 , 57663 , 104373 , 498671 , 1727953 , 4488039 , 15551577 , 74301979 , 668717811
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
-668717810
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 668717811 can be divided by 16 positive divisors.
The sum of these divisors (counting 668717811) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111110110111101001011110011
3
Ternary
1201121022101101100
4
Quaternary
213312331023303
5
Quinary
2332142432221
6
Senary
150204535443
8
Octal
4766751363
10
Decimal
668717811
12
Duodecimal
167b51583
16
Hexadecimal
27dbd2f3
20
Vigesimal
a8j9eab
36
Base36
b24xyr
md5
a73c25cfa6aaf4fa7d612eeae5c5601b
sha1
6ab5cab2090e5ff5d8ce287df0b2967fc1920507
sha256
b53dd9e7b6b0815bfa6131752193571702e6c45518093836e321b1098430df72
sha512
b91c96c50ee492fae7ba683cc7914bab134d134d8ba4d31146c812d6b78d77862a5b233d9530baed1c3c147a52750f218249e226d4ef92422157e62e5dbd5407
ripemd-160
a1fe6e033ba9e2ebf0110d1698a7fcc864705c33
Diameter
1337435622
Circumference
4201677924.7245
Area
1.4048684321744E+18
Volume
1.2526140569422E+27
Surface area
5.6194737286976E+18
Circumference
4201677924.7245
Perimeter
2674871244
Area
447183510748631721
Diagonal
945709797.71665
Surface area
2683101064491790326
Volume
2.9903957842312E+26
Space diagonal
1158253224.5782
Perimeter
2006153433
Area
1.9363614023091E+17
Altitude
579126612.28912
Surface area
1.9363614023091E+17
Volume
3.5242152291026E+25
Height
315236599.23888