664989813 is an odd 9-digits composite number following 664989812
and preceding 664989814 . In scientific notation, it is written as 6.64989813 × 10^8.
The sum of its digits is 54. It has a total of 3 prime factors and 8 positive divisors.
There are 441600000 positive integers (up to 664989813) that are relatively prime to 664989813.
664989813 has 8 divisors, whose sum is 741755160
The reverse of 664989813 is 318989466
Previous prime number is 257
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 54
Digital Root 9
Name
six hundred sixty-four million nine hundred eighty-nine thousand eight hundred thirteen
Scientific notation
6.64989813 × 10^8
Engineering notation
6.64989813 × 10^6
Prime Factorization
9 × 257 × 287501
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
664989813
Product of the distinct prime numbers
The prime factorization of 664989813 is 9 × 257 × 287501.
Since it has a total of 3 prime factors.
5 , 3 , 95 , 17 , 130 , 548 , 9712 , 6507 , 21569 , 37701 , 715771 , 559771 , 7198586 , 6118081 , 83161272 , 12849013 , 994600573 , 423006924 , 274133812 , 1263187927
n×2
1329979626
n×3
1994969439
n×4
2659959252
n×5
3324949065
n÷2
332494906.5
n÷3
221663271
n÷3
166247453.25
n÷5
132997962.6
n2
442211451393774969
n3
2.9406611036881E+26
n4
1.9555096774379E+35
n5
1.3003940147191E+44
2 √n
25787.396398241
3 √n
872.84741648229
4 √n
160.58454595085
5 √n
58.151778078367
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
-664989812
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 664989813 can be divided by 8 positive divisors.
The sum of these divisors (counting 664989813) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111101000101111000001110101
3
Ternary
1201100021222112100
4
Quaternary
213220233001311
5
Quinary
2330214133223
6
Senary
145553012313
8
Octal
4750570165
10
Decimal
664989813
12
Duodecimal
166854099
16
Hexadecimal
27a2f075
20
Vigesimal
a7g3ead
36
Base36
azx1f9
md5
aec381521030313abc31fa89b10f9047
sha1
ffa31d8ccebd34e4d395a29a92dde57da833c23d
sha256
5bd8d1a71599ea2382b884dfa7f9114c3755de6b5731e21fd633c20672e084a8
sha512
ef1f1437e1dd1be1f65596946f5b1bed0d3c92264aa0c91500a11ff0fcbb5c382a9c17a017457f0c7bc01810f52848c3a37f478343b5753d906daffe26b63146
ripemd-160
68641227f4863c208590f7e4696abcbbe58d48dc
Diameter
1329979626
Circumference
4178254222.4657
Area
1.389248247032E+18
Volume
1.2317812426725E+27
Surface area
5.5569929881279E+18
Circumference
4178254222.4657
Perimeter
2659959252
Area
442211451393774969
Diagonal
940437612.38455
Surface area
2653268708362649814
Volume
2.9406611036881E+26
Space diagonal
1151796142.6317
Perimeter
1994969439
Area
1.914831753757E+17
Altitude
575898071.31586
Surface area
1.914831753757E+17
Volume
3.4656023459822E+25
Height
313479204.12818