664956891 is an odd 9-digits composite number following 664956890
and preceding 664956892 . In scientific notation, it is written as 6.64956891 × 10^8.
The sum of its digits is 54. It has a total of 3 prime factors and 8 positive divisors.
There are 443304576 positive integers (up to 664956891) that are relatively prime to 664956891.
664956891 has 8 divisors, whose sum is 985121360
The reverse of 664956891 is 198659466
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 54
Digital Root 9
Name
six hundred sixty-four million nine hundred fifty-six thousand eight hundred ninety-one
Scientific notation
6.64956891 × 10^8
Engineering notation
6.64956891 × 10^6
Prime Factorization
3 × 9 × 24628033
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
664956891
Product of the distinct prime numbers
The prime factorization of 664956891 is 3 × 9 × 24628033.
Since it has a total of 3 prime factors.
10 , 7 , 93 , 26 , 310 , 357 , 7182 , 9892 , 31326 , 18984 , 422099 , 976015 , 3467298 , 2653320 , 25241998 , 42794830 , 267364000 , 979067474 , 2751280276 , 2357442779
n×2
1329913782
n×3
1994870673
n×4
2659827564
n×5
3324784455
n÷2
332478445.5
n÷3
221652297
n÷3
166239222.75
n÷5
132991378.2
n2
442167666888385881
n3
2.9402243707482E+26
n4
1.9551224564152E+35
n5
1.3000721501421E+44
2 √n
25786.75805525
3 √n
872.83301207273
4 √n
160.58255837808
5 √n
58.151202276839
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
-664956890
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 664956891 can be divided by 8 positive divisors.
The sum of these divisors (counting 664956891) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111101000100110111111011011
3
Ternary
1201100020022101000
4
Quaternary
213220212333123
5
Quinary
2330212110031
6
Senary
145552200043
8
Octal
4750467733
10
Decimal
664956891
12
Duodecimal
166839023
16
Hexadecimal
27a26fdb
20
Vigesimal
a7fjc4b
36
Base36
azwc0r
md5
0b084b82ce5b4c5624666a733349e31d
sha1
c01db849e6ad4afb551ec6b7b483706bf66b5d46
sha256
f32fe64fcad74f5d1984937c193f1fc2c6e8f7ee05f73888442dbbd7f68916da
sha512
8a86e420f0ac2421a46bb529600cd7d7bcf3faa619a4a9ccc12938c6f884b9fa88a0afc11d1c9733bceac34c5d54ba82f55e2d0ed0e18047134d40c4872dee7c
ripemd-160
188d55c1dacba6d999aad347f7788b2502b1b62b
Diameter
1329913782
Circumference
4178047367.439
Area
1.3891106939515E+18
Volume
1.2315983044064E+27
Surface area
5.556442775806E+18
Circumference
4178047367.439
Perimeter
2659827564
Area
442167666888385881
Diagonal
940391053.64565
Surface area
2653006001330315286
Volume
2.9402243707482E+26
Space diagonal
1151739120.055
Perimeter
1994870673
Area
1.9146421612872E+17
Altitude
575869560.02752
Surface area
1.9146421612872E+17
Volume
3.4650876512767E+25
Height
313463684.54855