664518985 is an odd 9-digits composite number following 664518984
and preceding 664518986 . In scientific notation, it is written as 6.64518985 × 10^8.
The sum of its digits is 52. It has a total of 4 prime factors and 16 positive divisors.
There are 487498752 positive integers (up to 664518985) that are relatively prime to 664518985.
664518985 has 16 divisors, whose sum is 731419920
The reverse of 664518985 is 589815466
Previous prime number is 157
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 52
Digital Root 7
Name
six hundred sixty-four million five hundred eighteen thousand nine hundred eighty-five
Scientific notation
6.64518985 × 10^8
Engineering notation
6.64518985 × 10^6
Prime Factorization
65 × 13 × 157 × 5009
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
664518985
Product of the distinct prime numbers
The prime factorization of 664518985 is 65 × 13 × 157 × 5009.
Since it has a total of 4 prime factors.
5 , 10 , 64 , 39 , 508 , 530 , 1 , 1884 , 95631 , 54710 , 444263 , 743091 , 6611739 , 1555933 , 23659516 , 6447903 , 543527034 , 400329931 , 9982015975 , 4215520297
n×2
1329037970
n×3
1993556955
n×4
2658075940
n×5
3322594925
n÷2
332259492.5
n÷3
221506328.33333
n÷3
166129746.25
n÷5
132903797
n2
441585481425430225
n3
2.9344193590756E+26
n4
1.9499773740573E+35
n5
1.2957969853815E+44
2 √n
25778.265748494
3 √n
872.64136919983
4 √n
160.55611401779
5 √n
58.14354118744
1 , 13 , 65 , 157 , 845 , 2041 , 5009 , 10205 , 65117 , 132665 , 325585 , 786413 , 4232605 , 10223369 , 51116845 , 664518985
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
-664518984
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 664518985 can be divided by 16 positive divisors.
The sum of these divisors (counting 664518985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111100110111100000101001001
3
Ternary
1201022102001200021
4
Quaternary
213212330011021
5
Quinary
2330104101420
6
Senary
145534540441
8
Octal
4746740511
10
Decimal
664518985
12
Duodecimal
166667721
16
Hexadecimal
279bc149
20
Vigesimal
a7d4h95
36
Base36
azmy4p
md5
0d0e882b90e1720ff020e9a0c553a81c
sha1
a264d451e71c2c11c20d7537c0099eebefa92b97
sha256
8827f2a1f2fab000e76ee114f9b1bebc8c771292b62ee6158977490848b0b0dc
sha512
01a374fbf3dfe15608fe540f68f453b8134ae4d24e8aec6e319e135b2c4ddce99065d74320e08cc142979b5cce6bb00d19e5c7759a5f4a22a447c62e52083f65
ripemd-160
6f4d7b22151d41264c597e381aa17dc2f146f3e9
Diameter
1329037970
Circumference
4175295922.8939
Area
1.387281704378E+18
Volume
1.2291667068032E+27
Surface area
5.5491268175122E+18
Circumference
4175295922.8939
Perimeter
2658075940
Area
441585481425430225
Diagonal
939771761.0414
Surface area
2649512888552581350
Volume
2.9344193590756E+26
Space diagonal
1150980644.6141
Perimeter
1993556955
Area
1.912121224284E+17
Altitude
575490322.30705
Surface area
1.912121224284E+17
Volume
3.4582463794124E+25
Height
313257253.68047