640968537 is an odd 9-digits composite number following 640968536
and preceding 640968538 . In scientific notation, it is written as 6.40968537 × 10^8.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 386949120 positive integers (up to 640968537) that are relatively prime to 640968537.
640968537 has 16 divisors, whose sum is 935957952
The reverse of 640968537 is 735869046
Previous prime number is 257
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 48
Digital Root 3
Name
six hundred forty million nine hundred sixty-eight thousand five hundred thirty-seven
Scientific notation
6.40968537 × 10^8
Engineering notation
6.40968537 × 10^6
Prime Factorization
3 × 11 × 257 × 75577
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
640968537
Product of the distinct prime numbers
The prime factorization of 640968537 is 3 × 11 × 257 × 75577.
Since it has a total of 4 prime factors.
9 , 9 , 77 , 72 , 560 , 262 , 2875 , 7976 , 37138 , 45643 , 395309 , 295894 , 3079215 , 6027654 , 70033419 , 1447552 , 938785115 , 465353136 , 7986190727 , 8305883244
n×2
1281937074
n×3
1922905611
n×4
2563874148
n×5
3204842685
n÷2
320484268.5
n÷3
213656179
n÷3
160242134.25
n÷5
128193707.4
n2
410840665423920369
n3
2.6333594025688E+26
n4
1.6879005236597E+35
n5
1.0818911292517E+44
2 √n
25317.356437827
3 √n
862.20837559455
4 √n
159.11428734663
5 √n
57.725452025858
1 , 3 , 11 , 33 , 257 , 771 , 2827 , 8481 , 75577 , 226731 , 831347 , 2494041 , 19423289 , 58269867 , 213656179 , 640968537
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
-640968536
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 640968537 can be divided by 16 positive divisors.
The sum of these divisors (counting 640968537) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110001101000110011101011001
3
Ternary
1122200002120112110
4
Quaternary
212031012131121
5
Quinary
2303041443122
6
Senary
143334102533
8
Octal
4615063531
10
Decimal
640968537
12
Duodecimal
15a7aaa49
16
Hexadecimal
26346759
20
Vigesimal
a06116h
36
Base36
alm6hl
md5
231699581c96991c4f7e591ec30068f2
sha1
84628dbc1803e772a569f45e9cfae63ccb5d8430
sha256
cd2d23762d69068579eee5211f88559257f10ed7c4413082591e24316628554f
sha512
aca2820b8bfaa5cb06e106e3b7b21da153d018672004beca196f484982357a761fe8113d7a56173ce5883038fa4729290dee6fe01f3f03df8c8ff05ea0e9c97b
ripemd-160
46d85fe78d81e9837a8edd726e668251c381895f
Diameter
1281937074
Circumference
4027324094.0428
Area
1.2906940162917E+18
Volume
1.1030590071162E+27
Surface area
5.1627760651669E+18
Circumference
4027324094.0428
Perimeter
2563874148
Area
410840665423920369
Diagonal
906466398.07984
Surface area
2465043992543522214
Volume
2.6333594025688E+26
Space diagonal
1110190072.1371
Perimeter
1922905611
Area
1.7789922658241E+17
Altitude
555095036.06855
Surface area
1.7789922658241E+17
Volume
3.1034438180962E+25
Height
302155466.02661