664839991 is an odd 9-digits prime number following 664839990
and preceding 664839992 . In scientific notation, it is written as 6.64839991 × 10^8.
The sum of its digits is 55. It has a total of 1 prime factors and 2 positive divisors.
There are 664839990 positive integers (up to 664839991) that are relatively prime to 664839991.
664839991 has 2 divisors, whose sum is 664839992
The reverse of 664839991 is 199938466
Previous prime number is 1
Is Prime? yes Number parity odd Number length 9 Sum of Digits 55 Digital Root 1
Name
six hundred sixty-four million eight hundred thirty-nine thousand nine hundred ninety-one
Scientific notation
6.64839991 × 10^8
Engineering notation
6.64839991 × 10^6
Prime Factorization
664839991
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
664839991 Product of the distinct prime numbers
The prime factorization of 664839991 is 664839991.
Since it has a total of 1 prime factors.
5 , 4 , 50 , 77 , 206 , 179 , 5999 , 2562 , 2728 , 47344 , 733333 , 57520 , 7409384 , 60223 , 58538513 , 2351415 , 305685836 , 245842870 , 3641398010 , 5342318808
n×2
1329679982
n×3
1994519973
n×4
2659359964
n×5
3324199955
n÷2
332419995.5
n÷3
221613330.33333
n÷3
166209997.75
n÷5
132967998.2
n2
442012213632880081
n3
2.9386739613357E+26
n4
1.9537479700064E+35
n5
1.2989297827953E+44
2 √n25784.491288369
3 √n872.78186080748
4 √n160.57550027439
5 √n58.149157526655
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
664839992 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
332419996 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
25784.491307761 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999969918 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 664839991 can be divided by 2 positive divisors.
The sum of these divisors (counting 664839991) is 664839992, the average is 332419996.
Base
System
Value
2
Binary
100111101000001010011100110111
3
Ternary
1201100000101000101
4
Quaternary
213220022130313
5
Quinary
2330144334431
6
Senary
145545454531
8
Octal
4750123467
10
Decimal
664839991
12
Duodecimal
1667a1447
16
Hexadecimal
27a0a737
20
Vigesimal
a7f4jjb
36
Base36
aztttj
md5
2da4247e0e8de9d86cf93b0c5310af38
sha1
572cfaef78c4105afcd8445c1de12cc2d6980db4
sha256
fd4addbc32268a4e246fc728dbd7915651ba4525f10f76e25a55e2c14d4823dc
sha512
337269638bba982bd257ef1fb630e97b67f919fb5a4a2ac255cbdaddcb2b049f6babdbfd2a3cd63bfc4a245fb37c7a377b850fdd5b9e16062ba4443aa1fda713
ripemd-160
e4efff729876736753a3e781b9ef4e250c273acb
Diameter
1329679982
Circumference
4177312863.0766
Area
1.388622323146E+18
Volume
1.2309488704304E+27
Surface area
5.5544892925841E+18
Circumference
4177312863.0766
Perimeter
2659359964
Area
442012213632880081
Diagonal
940225732.08021
Surface area
2652073281797280486
Volume
2.9386739613357E+26
Space diagonal
1151536643.3156
Perimeter
1994519973
Area
1.9139690289453E+17
Altitude
575768321.65782
Surface area
1.9139690289453E+17
Volume
3.4632604762614E+25
Height
313408577.36007