664996988 is an even 9-digits composite number following 664996987
and preceding 664996989 . In scientific notation, it is written as 6.64996988 × 10^8.
The sum of its digits is 65. It has a total of 4 prime factors and 12 positive divisors.
There are 332444112 positive integers (up to 664996988) that are relatively prime to 664996988.
664996988 has 12 divisors, whose sum is 1163935080
The reverse of 664996988 is 889699466
Previous prime number is 17909
Is Prime? no
Number parity even
Number length 9
Sum of Digits 65
Digital Root 2
Name
six hundred sixty-four million nine hundred ninety-six thousand nine hundred eighty-eight
Scientific notation
6.64996988 × 10^8
Engineering notation
6.64996988 × 10^6
Prime Factorization
2 × 2 × 17909 × 9283
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
332498494
Product of the distinct prime numbers
The prime factorization of 664996988 is 2 × 2 × 17909 × 9283.
Since it has a total of 4 prime factors.
1 , 5 , 94 , 77 , 113 , 871 , 1492 , 7088 , 51288 , 86192 , 866236 , 22985 , 2873335 , 6937301 , 33444784 , 80650190 , 795944363 , 657516424 , 7206342639 , 7268378442
n×2
1329993976
n×3
1994990964
n×4
2659987952
n×5
3324984940
n÷2
332498494
n÷3
221665662.66667
n÷3
166249247
n÷5
132999397.6
n2
442220994049072144
n3
2.94075629073E+26
n4
1.9555940757775E+35
n5
1.3004641701427E+44
2 √n
25787.535516214
3 √n
872.85055570717
4 √n
160.58497911142
5 √n
58.151903565163
1 , 2 , 4 , 9283 , 17909 , 18566 , 35818 , 37132 , 71636 , 166249247 , 332498494 , 664996988
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-664996987
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 664996988 can be divided by 12 positive divisors.
The sum of these divisors (counting 664996988) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100111101000110000110001111100
3
Ternary
1201100022100101002
4
Quaternary
213220300301330
5
Quinary
2330214400423
6
Senary
145553105432
8
Octal
4750606174
10
Decimal
664996988
12
Duodecimal
166858278
16
Hexadecimal
27a30c7c
20
Vigesimal
a7g4c98
36
Base36
azx6yk
md5
135e501eb79ac5171b05f59f8ad6eec2
sha1
6d72cac8def92edf4119ba07dc48529f2aa3f1e1
sha256
0de643272a3642eb0a71c37c17a5d17d11c73ea34f58c288a6595f4213c157cf
sha512
78739796e3a2df469f0a371f5b2cd91598d25e912c541775750c43a678cd5fb2408bc5d2157f4d07623bcb3a1e4f390963998fb149a0c29b2df91cfff27f4f88
ripemd-160
a17aabb8b2a495ec715be3fbb21657ca7ef8280d
Diameter
1329993976
Circumference
4178299304.3203
Area
1.3892782261677E+18
Volume
1.2318211145274E+27
Surface area
5.557112904671E+18
Circumference
4178299304.3203
Perimeter
2659987952
Area
442220994049072144
Diagonal
940447759.36686
Surface area
2653325964294432864
Volume
2.94075629073E+26
Space diagonal
1151808570.0963
Perimeter
1994990964
Area
1.9148730746665E+17
Altitude
575904285.04814
Surface area
1.9148730746665E+17
Volume
3.465714524987E+25
Height
313482586.45562