668049688 is an even 9-digits composite number following 668049687
and preceding 668049689 . In scientific notation, it is written as 6.68049688 × 10^8.
The sum of its digits is 55. It has a total of 5 prime factors and 16 positive divisors.
There are 332791200 positive integers (up to 668049688) that are relatively prime to 668049688.
668049688 has 16 divisors, whose sum is 1257219360
The reverse of 668049688 is 886940866
Previous prime number is 271
Is Prime? no
Number parity even
Number length 9
Sum of Digits 55
Digital Root 1
Name
six hundred sixty-eight million forty-nine thousand six hundred eighty-eight
Scientific notation
6.68049688 × 10^8
Engineering notation
6.68049688 × 10^6
Prime Factorization
2 × 2 × 2 × 271 × 308141
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
167012422
Product of the distinct prime numbers
The prime factorization of 668049688 is 2 × 2 × 2 × 271 × 308141.
Since it has a total of 5 prime factors.
9 , 10 , 33 , 69 , 53 , 113 , 164 , 6319 , 42562 , 2590 , 823510 , 978697 , 2073474 , 9999408 , 46393328 , 63240003 , 429531946 , 556612011 , 9896476772 , 4459646797
n×2
1336099376
n×3
2004149064
n×4
2672198752
n×5
3340248440
n÷2
334024844
n÷3
222683229.33333
n÷3
167012422
n÷5
133609937.6
n2
446290385636897344
n3
2.9814415288213E+26
n4
1.9917510831193E+35
n5
1.3305886896515E+44
2 √n
25846.657191985
3 √n
874.18413769181
4 √n
160.76895593362
5 √n
58.20519560949
1 , 2 , 4 , 8 , 271 , 542 , 1084 , 2168 , 308141 , 616282 , 1232564 , 2465128 , 83506211 , 167012422 , 334024844 , 668049688
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
-668049687
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 668049688 can be divided by 16 positive divisors.
The sum of these divisors (counting 668049688) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111110100011010000100011000
3
Ternary
1201120001102220001
4
Quaternary
213310122010120
5
Quinary
2332010042223
6
Senary
150142342344
8
Octal
4764320430
10
Decimal
668049688
12
Duodecimal
16788a9b4
16
Hexadecimal
27d1a118
20
Vigesimal
a8f6448
36
Base36
b1qmfs
md5
d69daa1c291af6f131dec12026f8fca9
sha1
6320653dd5f35c82fa1ae27f26f13efd279bf6ad
sha256
9358cd6cc0b8fb8d0f61186aecea54237018d217d30141a38512f0c9fe43c9f2
sha512
0354305e1d7f276b53358fdfe3e069306f857d5987dd37af55314fe306555162ccc404a81a7212907605a4ee34f4e8ebe1e2de06b81c335f20006b1e4c1c3906
ripemd-160
5ab742f8a92f2a361dc726b23a2334cedb8e46c2
Diameter
1336099376
Circumference
4197479984.1075
Area
1.4020625968846E+18
Volume
1.248863307207E+27
Surface area
5.6082503875385E+18
Circumference
4197479984.1075
Perimeter
2672198752
Area
446290385636897344
Diagonal
944764929.10871
Surface area
2677742313821384064
Volume
2.9814415288213E+26
Space diagonal
1157096001.5965
Perimeter
2004149064
Area
1.9324940571315E+17
Altitude
578548000.79827
Surface area
1.9324940571315E+17
Volume
3.5136625379012E+25
Height
314921643.03624