668889290 is an even 9-digits composite number following 668889289
and preceding 668889291 . In scientific notation, it is written as 6.68889290 × 10^8.
The sum of its digits is 56. It has a total of 5 prime factors and 32 positive divisors.
There are 263938048 positive integers (up to 668889290) that are relatively prime to 668889290.
668889290 has 32 divisors, whose sum is 1220346000
The reverse of 668889290 is 092988866
Previous prime number is 809
Is Prime? no Number parity even Number length 9 Sum of Digits 56 Digital Root 2
Name
six hundred sixty-eight million eight hundred eighty-nine thousand two hundred ninety
Scientific notation
6.68889290 × 10^8
Engineering notation
6.68889290 × 10^6
Prime Factorization
2 × 5 × 89 × 809 × 929
Composite number
ω Distinct Factors
5 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
668889290 Product of the distinct prime numbers
The prime factorization of 668889290 is 2 × 5 × 89 × 809 × 929.
Since it has a total of 5 prime factors.
1 , 6 , 15 , 13 , 940 , 93 , 973 , 3901 , 40203 , 47680 , 859770 , 699341 , 2012958 , 9751735 , 75336348 , 88217865 , 797814785 , 30840457 , 6620942088 , 7485432946
n×2
1337778580
n×3
2006667870
n×4
2675557160
n×5
3344446450
n÷2
334444645
n÷3
222963096.66667
n÷3
167222322.5
n÷5
133777858
n2
447412882276704100
n3
2.9926968516292E+26
n4
2.0017828722715E+35
n5
1.3389711241678E+44
2 √n25862.894076263
3 √n874.55020800862
4 √n160.81944557877
5 √n58.2198186684
1 , 2 , 5 , 10 , 89 , 178 , 445 , 809 , 890 , 929 , 1618 , 1858 , 4045 , 4645 , 8090 , 9290 , 72001 , 82681 , 144002 , 165362 , 360005 , 413405 , 720010 , 751561 , 826810 , 1503122 , 3757805 , 7515610 , 66888929 , 133777858 , 334444645 , 668889290
32 divisors
τ Total Divisors
32 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-668889289 Sum of the proper positive divisors of n
A Arithmetic Mean
0.03125 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
32 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 668889290 can be divided by 32 positive divisors.
The sum of these divisors (counting 668889290) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100111110111100111000011001010
3
Ternary
1201121122002121102
4
Quaternary
213313213003022
5
Quinary
2332213424130
6
Senary
150212341402
8
Octal
4767470312
10
Decimal
668889290
12
Duodecimal
168014862
16
Hexadecimal
27de70ca
20
Vigesimal
a90b34a
36
Base36
b28ma2
md5
05a89c431f0953b2787de319099476e9
sha1
3076d37635357714467e811592c29910324c4778
sha256
1b46aed4aa51c084a155e61da46101b976f2e8936c330be78ae12b5e98ed7572
sha512
be24ac290aff7d1fae3b5c90873aca94127aaf91ceb84634df142c0415aa1c1571543e4409c75f87d5deccb4ea8b7730d9f9d79b6c00260b210fddeb62640800
ripemd-160
883f0c3c258b850100bf010ec154cad7e92378f2
Diameter
1337778580
Circumference
4202755359.0578
Area
1.4055890240819E+18
Volume
1.2535779257999E+27
Surface area
5.6223560963277E+18
Circumference
4202755359.0578
Perimeter
2675557160
Area
447412882276704100
Diagonal
945952305.64411
Surface area
2684477293660224600
Volume
2.9926968516292E+26
Space diagonal
1158550234.9187
Perimeter
2006667870
Area
1.9373546101602E+17
Altitude
579275117.45934
Surface area
1.9373546101602E+17
Volume
3.5269270630377E+25
Height
315317435.2147