664694891 is an odd 9-digits composite number following 664694890
and preceding 664694892 . In scientific notation, it is written as 6.64694891 × 10^8.
The sum of its digits is 53. It has a total of 4 prime factors and 16 positive divisors.
There are 564021024 positive integers (up to 664694891) that are relatively prime to 664694891.
664694891 has 16 divisors, whose sum is 767314944
The reverse of 664694891 is 198496466
Previous prime number is 263
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 53
Digital Root 8
Name
six hundred sixty-four million six hundred ninety-four thousand eight hundred ninety-one
Scientific notation
6.64694891 × 10^8
Engineering notation
6.64694891 × 10^6
Prime Factorization
7 × 173 × 263 × 2087
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
664694891
Product of the distinct prime numbers
The prime factorization of 664694891 is 7 × 173 × 263 × 2087.
Since it has a total of 4 prime factors.
5 , 3 , 30 , 8 , 950 , 397 , 4848 , 8984 , 77244 , 28444 , 443574 , 336196 , 3446590 , 2637606 , 30053720 , 27009201 , 8552986 , 534749004 , 227273798 , 2604552899
n×2
1329389782
n×3
1994084673
n×4
2658779564
n×5
3323474455
n÷2
332347445.5
n÷3
221564963.66667
n÷3
166173722.75
n÷5
132938978.2
n2
441819298121501881
n3
2.9367503020657E+26
n4
1.9520429219258E+35
n5
1.2975129572168E+44
2 √n
25781.677427972
3 √n
872.71836188851
4 √n
160.5667382367
5 √n
58.146619117549
1 , 7 , 173 , 263 , 1211 , 1841 , 2087 , 14609 , 45499 , 318493 , 361051 , 548881 , 2527357 , 3842167 , 94956413 , 664694891
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
-664694890
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 664694891 can be divided by 16 positive divisors.
The sum of these divisors (counting 664694891) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111100111100111000001101011
3
Ternary
1201022201222222022
4
Quaternary
213213213001223
5
Quinary
2330130214031
6
Senary
145542415055
8
Octal
4747470153
10
Decimal
664694891
12
Duodecimal
16673148b
16
Hexadecimal
279e706b
20
Vigesimal
a7e6h4b
36
Base36
azqpuz
md5
fe9726241e6f39d5d3d8627a6e66be55
sha1
0be16d150c8f624a2091f99f4f95147ee241f69d
sha256
3e290e09432c3b7d7930b33c290d6d49ceb0764269105381d3e4bf0e81ab0492
sha512
304e05bebc301539bf23a82755bd64f9d03de21210ad22b548627805eff06af7c890807fb1deaef71adf3d59c4e4693d16026d21ffb5a0e375a2eb5497f11782
ripemd-160
314bd00098ea09849ca2193470b6ec1b4dfd29e4
Diameter
1329389782
Circumference
4176401172.8885
Area
1.3880162611927E+18
Volume
1.2301430899196E+27
Surface area
5.5520650447708E+18
Circumference
4176401172.8885
Perimeter
2658779564
Area
441819298121501881
Diagonal
940020529.69231
Surface area
2650915788729011286
Volume
2.9367503020657E+26
Space diagonal
1151285322.7435
Perimeter
1994084673
Area
1.9131336802772E+17
Altitude
575642661.37173
Surface area
1.9131336802772E+17
Volume
3.4609934220705E+25
Height
313340176.5641