664839990 is an even 9-digits composite number following 664839989
and preceding 664839991 . In scientific notation, it is written as 6.64839990 × 10^8.
The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors.
There are 177290640 positive integers (up to 664839990) that are relatively prime to 664839990.
664839990 has 16 divisors, whose sum is 1418325504
The reverse of 664839990 is 099938466
Previous prime number is 3
Is Prime? no
Number parity even
Number length 9
Sum of Digits 54
Digital Root 9
Name
six hundred sixty-four million eight hundred thirty-nine thousand nine hundred ninety
Scientific notation
6.64839990 × 10^8
Engineering notation
6.64839990 × 10^6
Prime Factorization
2 × 15 × 3 × 7387111
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
664839990
Product of the distinct prime numbers
The prime factorization of 664839990 is 2 × 15 × 3 × 7387111.
Since it has a total of 4 prime factors.
4 , 3 , 20 , 88 , 646 , 767 , 6821 , 6202 , 94436 , 86071 , 509850 , 739951 , 7821244 , 2643043 , 63819889 , 75767539 , 555035524 , 510687224 , 5526988532 , 3891510577
n×2
1329679980
n×3
1994519970
n×4
2659359960
n×5
3324199950
n÷2
332419995
n÷3
221613330
n÷3
166209997.5
n÷5
132967998
n2
442012212303200100
n3
2.9386739480754E+26
n4
1.9537479582517E+35
n5
1.2989297730266E+44
2 √n
25784.491268978
3 √n
872.78186036989
4 √n
160.57550021401
5 √n
58.149157509162
1 , 2 , 3 , 6 , 15 , 30 , 45 , 90 , 7387111 , 14774222 , 22161333 , 44322666 , 110806665 , 221613330 , 332419995 , 664839990
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
-664839989
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 664839990 can be divided by 16 positive divisors.
The sum of these divisors (counting 664839990) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111101000001010011100110110
3
Ternary
1201100000101000100
4
Quaternary
213220022130312
5
Quinary
2330144334430
6
Senary
145545454530
8
Octal
4750123466
10
Decimal
664839990
12
Duodecimal
1667a1446
16
Hexadecimal
27a0a736
20
Vigesimal
a7f4jja
36
Base36
azttti
md5
68d87397b5574dff6d8b1244dfaed1c7
sha1
6353440f566bf3bd55420d865f8f9d5489325e64
sha256
a814616a3f57a445b74ee22e75ea99e2d3caa892ee08c5415c9ac84e88f58f3d
sha512
48af15de67d1d50d06be1683202aae8b69c055835dbf53f8a1e9dffee33d4e01e12fdbdcd665ecc76026c83cf12dde31156c78188d3316872f6ecfeb5f5a5aaa
ripemd-160
474ad158847e7bf734de1e7c6c16e65d696d7e82
Diameter
1329679980
Circumference
4177312856.7934
Area
1.3886223189687E+18
Volume
1.2309488648759E+27
Surface area
5.5544892758748E+18
Circumference
4177312856.7934
Perimeter
2659359960
Area
442012212303200100
Diagonal
940225730.66599
Surface area
2652073273819200600
Volume
2.9386739480754E+26
Space diagonal
1151536641.5836
Perimeter
1994519970
Area
1.9139690231877E+17
Altitude
575768320.79179
Surface area
1.9139690231877E+17
Volume
3.4632604606339E+25
Height
313408576.88866