668889288 is an even 9-digits composite number following 668889287
and preceding 668889289 . In scientific notation, it is written as 6.68889288 × 10^8.
The sum of its digits is 63. It has a total of 5 prime factors and 16 positive divisors.
There are 222963072 positive integers (up to 668889288) that are relatively prime to 668889288.
668889288 has 16 divisors, whose sum is 1393519500
The reverse of 668889288 is 882988866
Previous prime number is 9
Is Prime? no Number parity even Number length 9 Sum of Digits 63 Digital Root 9
Name
six hundred sixty-eight million eight hundred eighty-nine thousand two hundred eighty-eight
Scientific notation
6.68889288 × 10^8
Engineering notation
6.68889288 × 10^6
Prime Factorization
2 × 2 × 2 × 9 × 9290129
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
167222322 Product of the distinct prime numbers
The prime factorization of 668889288 is 2 × 2 × 2 × 9 × 9290129.
Since it has a total of 5 prime factors.
7 , 1 , 55 , 96 , 542 , 325 , 3935 , 7166 , 5808 , 6926 , 8184 , 403199 , 48357 , 3814468 , 97132062 , 90255341 , 144870846 , 934639257 , 2006598050 , 2374707541
n×2
1337778576
n×3
2006667864
n×4
2675557152
n×5
3344446440
n÷2
334444644
n÷3
222963096
n÷3
167222322
n÷5
133777857.6
n2
447412879601146944
n3
2.9926968247844E+26
n4
2.0017828483299E+35
n5
1.33897110415E+44
2 √n25862.894037598
3 √n874.55020713698
4 √n160.81944545856
5 √n58.219818633584
1 , 2 , 4 , 8 , 9 , 18 , 36 , 72 , 9290129 , 18580258 , 37160516 , 74321032 , 83611161 , 167222322 , 334444644 , 668889288
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
-668889287 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 668889288 can be divided by 16 positive divisors.
The sum of these divisors (counting 668889288) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111110111100111000011001000
3
Ternary
1201121122002121100
4
Quaternary
213313213003020
5
Quinary
2332213424123
6
Senary
150212341400
8
Octal
4767470310
10
Decimal
668889288
12
Duodecimal
168014860
16
Hexadecimal
27de70c8
20
Vigesimal
a90b348
36
Base36
b28ma0
md5
dcd84d29bfd536d6f49a0841823f2651
sha1
c21b8a4818c54b1d3735b8f3285168be608d37a0
sha256
611f040dfeafed3a7a747c9714d9b16e214d8ff8f63f35a6f570d6acb5090981
sha512
121f99960044d5df703f5a99b5ea78503115056bccf1daaf92eddbc05c4f3d85ff45f658df71fd5391ddf022b8eea3a1c24ec44daadc109a58055288dca0d8db
ripemd-160
d4f36ea62fcae059a260f42f783e1339ebb258c1
Diameter
1337778576
Circumference
4202755346.4914
Area
1.4055890156764E+18
Volume
1.2535779145552E+27
Surface area
5.6223560627057E+18
Circumference
4202755346.4914
Perimeter
2675557152
Area
447412879601146944
Diagonal
945952302.81568
Surface area
2684477277606881664
Volume
2.9926968247844E+26
Space diagonal
1158550231.4546
Perimeter
2006667864
Area
1.9373545985747E+17
Altitude
579275115.72729
Surface area
1.9373545985747E+17
Volume
3.5269270314008E+25
Height
315317434.27189