664961639 is an odd 9-digits composite number following 664961638
and preceding 664961640 . In scientific notation, it is written as 6.64961639 × 10^8.
The sum of its digits is 50. It has a total of 4 prime factors and 12 positive divisors.
There are 628642512 positive integers (up to 664961639) that are relatively prime to 664961639.
664961639 has 12 divisors, whose sum is 703274184
The reverse of 664961639 is 936169466
Previous prime number is 557
Is Prime? no Number parity odd Number length 9 Sum of Digits 50 Digital Root 5
Name
six hundred sixty-four million nine hundred sixty-one thousand six hundred thirty-nine
Scientific notation
6.64961639 × 10^8
Engineering notation
6.64961639 × 10^6
Prime Factorization
19 × 19 × 557 × 3307
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
34997981 Product of the distinct prime numbers
The prime factorization of 664961639 is 19 × 19 × 557 × 3307.
Since it has a total of 4 prime factors.
8 , 10 , 54 , 65 , 398 , 595 , 9449 , 8977 , 54613 , 13953 , 832903 , 841037 , 3206070 , 1061488 , 32612300 , 92789577 , 930824287 , 184490335 , 4543327727 , 1336737871
n×2
1329923278
n×3
1994884917
n×4
2659846556
n×5
3324808195
n÷2
332480819.5
n÷3
221653879.66667
n÷3
166240409.75
n÷5
132992327.8
n2
442173981341566321
n3
2.9402873535604E+26
n4
1.9551782977545E+35
n5
1.3001185654121E+44
2 √n25786.850117841
3 √n872.83508950127
4 √n160.58284502973
5 √n58.151285320153
1 , 19 , 361 , 557 , 3307 , 10583 , 62833 , 201077 , 1193827 , 1841999 , 34997981 , 664961639
12 divisors
τ Total Divisors
12 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-664961638 Sum of the proper positive divisors of n
A Arithmetic Mean
0.083333333333333 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
12 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 664961639 can be divided by 12 positive divisors.
The sum of these divisors (counting 664961639) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100111101000101000001001100111
3
Ternary
1201100020112212212
4
Quaternary
213220220021213
5
Quinary
2330212233024
6
Senary
145552234035
8
Octal
4750501147
10
Decimal
664961639
12
Duodecimal
16683b91b
16
Hexadecimal
27a28267
20
Vigesimal
a7g041j
36
Base36
azwfon
md5
885adf9c51f7c1ce13a78985ede44914
sha1
ef783de9d85e40b29b87766902a537d803da86ab
sha256
c4554ff39d8625520fc1e8e69e953bbf7027b1eec72d6c557d9e314dc3d595d1
sha512
351d01b413dfbd6afaa164efffb54ff31b905cd15c57db18961d3123d8802e27e886e1e2a529be05a97ffd9e7233ce472a1456478fcc9b5021499c57024ab652
ripemd-160
89aa6e2c4fac36b4d1b16641a1131e9571a850a7
Diameter
1329923278
Circumference
4178077200.0029
Area
1.3891305313912E+18
Volume
1.2316246865851E+27
Surface area
5.5565221255649E+18
Circumference
4178077200.0029
Perimeter
2659846556
Area
442173981341566321
Diagonal
940397768.33164
Surface area
2653043888049397926
Volume
2.9402873535604E+26
Space diagonal
1151747343.8323
Perimeter
1994884917
Area
1.9146695036715E+17
Altitude
575873671.91614
Surface area
1.9146695036715E+17
Volume
3.4651618772327E+25
Height
313465922.77721