664839985 is an odd 9-digits composite number following 664839984
and preceding 664839986 . In scientific notation, it is written as 6.64839985 × 10^8.
The sum of its digits is 58. It has a total of 3 prime factors and 8 positive divisors.
There are 519502704 positive integers (up to 664839985) that are relatively prime to 664839985.
664839985 has 8 divisors, whose sum is 816361920
The reverse of 664839985 is 589938466
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 58
Digital Root 4
Name
six hundred sixty-four million eight hundred thirty-nine thousand nine hundred eighty-five
Scientific notation
6.64839985 × 10^8
Engineering notation
6.64839985 × 10^6
Prime Factorization
5 × 43 × 3092279
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
664839985
Product of the distinct prime numbers
The prime factorization of 664839985 is 5 × 43 × 3092279.
Since it has a total of 3 prime factors.
8 , 1 , 96 , 12 , 24 , 1000 , 8257 , 2458 , 83644 , 57064 , 717314 , 200129 , 715997 , 897799 , 41118072 , 2322517 , 410719832 , 629497217 , 9536556974 , 2001110227
n×2
1329679970
n×3
1994519955
n×4
2659359940
n×5
3324199925
n÷2
332419992.5
n÷3
221613328.33333
n÷3
166209996.25
n÷5
132967997
n2
442012205654800225
n3
2.9386738817735E+26
n4
1.9537478994782E+35
n5
1.2989297241829E+44
2 √n
25784.49117202
3 √n
872.78185818194
4 √n
160.5754999121
5 √n
58.149157421699
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-664839984
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 664839985 can be divided by 8 positive divisors.
The sum of these divisors (counting 664839985) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111101000001010011100110001
3
Ternary
1201100000101000011
4
Quaternary
213220022130301
5
Quinary
2330144334420
6
Senary
145545454521
8
Octal
4750123461
10
Decimal
664839985
12
Duodecimal
1667a1441
16
Hexadecimal
27a0a731
20
Vigesimal
a7f4jj5
36
Base36
aztttd
md5
a500b88ab570d6685ee851e76b5a31ea
sha1
ee880f2a611ec529bbaa476e415d71db6d635b76
sha256
1d5d05b1b1654bedaad71ed058177ceba36a15c9fe15f9c1e508d2267e52f435
sha512
50e8c3e49d1c802328231a991bf4ff2a4561ea98d720e454cc0b4377e64e2e84a057fac43e289b7e3536de0f47c076fd24b129da94b0a62c292bf0d9ce8b8a62
ripemd-160
81922f889a2c8e8680190798d951e43b8bd33c88
Diameter
1329679970
Circumference
4177312825.3775
Area
1.3886222980821E+18
Volume
1.2309488371035E+27
Surface area
5.5544891923286E+18
Circumference
4177312825.3775
Perimeter
2659359940
Area
442012205654800225
Diagonal
940225723.59493
Surface area
2652073233928801350
Volume
2.9386738817735E+26
Space diagonal
1151536632.9233
Perimeter
1994519955
Area
1.9139689943992E+17
Altitude
575768316.46167
Surface area
1.9139689943992E+17
Volume
3.4632603824964E+25
Height
313408574.53164