668717812 is an even 9-digits composite number following 668717811
and preceding 668717813 . In scientific notation, it is written as 6.68717812 × 10^8.
The sum of its digits is 46. It has a total of 4 prime factors and 12 positive divisors.
There are 286593336 positive integers (up to 668717812) that are relatively prime to 668717812.
668717812 has 12 divisors, whose sum is 1337435680
The reverse of 668717812 is 218717866
Previous prime number is 7
Is Prime? no
Number parity even
Number length 9
Sum of Digits 46
Digital Root 1
Name
six hundred sixty-eight million seven hundred seventeen thousand eight hundred twelve
Scientific notation
6.68717812 × 10^8
Engineering notation
6.68717812 × 10^6
Prime Factorization
2 × 2 × 7 × 23882779
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
334358906
Product of the distinct prime numbers
The prime factorization of 668717812 is 2 × 2 × 7 × 23882779.
Since it has a total of 4 prime factors.
5 , 1 , 76 , 11 , 998 , 284 , 8308 , 6542 , 67086 , 48223 , 610491 , 194905 , 2354996 , 1666701 , 57093753 , 3617026 , 985068445 , 511022321 , 2859409387 , 9219587730
n×2
1337435624
n×3
2006153436
n×4
2674871248
n×5
3343589060
n÷2
334358906
n÷3
222905937.33333
n÷3
167179453
n÷5
133743562.4
n2
447183512086067344
n3
2.9903957976467E+26
n4
1.9997309348163E+35
n5
1.3372556953191E+44
2 √n
25859.578728201
3 √n
874.47546771908
4 √n
160.80913757682
5 √n
58.21683328887
1 , 2 , 4 , 7 , 14 , 28 , 23882779 , 47765558 , 95531116 , 167179453 , 334358906 , 668717812
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-668717811
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 668717812 can be divided by 12 positive divisors.
The sum of these divisors (counting 668717812) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100111110110111101001011110100
3
Ternary
1201121022101101101
4
Quaternary
213312331023310
5
Quinary
2332142432222
6
Senary
150204535444
8
Octal
4766751364
10
Decimal
668717812
12
Duodecimal
167b51584
16
Hexadecimal
27dbd2f4
20
Vigesimal
a8j9eac
36
Base36
b24xys
md5
96b7c04747d147051056a64c3c2087ce
sha1
70d65d0d6960ac967af52f076bbc5638ee99b02f
sha256
151912e88be105445936d430752e6c975e1c33ab192b0adf07a7f26e602c669d
sha512
4193560724b4428f0f8caaf26ab35b0550ac0ffdb3e1a3f4d599cc3c4436b23d460d5bf4e8914fd9de51882f200ece86f416a940608c62a9ada87674de1de68f
ripemd-160
a166a89fc98f23a7597e96b4355bd8a6a4bd6a5b
Diameter
1337435624
Circumference
4201677931.0077
Area
1.4048684363761E+18
Volume
1.2526140625617E+27
Surface area
5.6194737455043E+18
Circumference
4201677931.0077
Perimeter
2674871248
Area
447183512086067344
Diagonal
945709799.13086
Surface area
2683101072516404064
Volume
2.9903957976467E+26
Space diagonal
1158253226.3103
Perimeter
2006153436
Area
1.9363614081004E+17
Altitude
579126613.15515
Surface area
1.9363614081004E+17
Volume
3.5242152449129E+25
Height
315236599.71029