646768125 is an odd 9-digits composite number following 646768124
and preceding 646768126 . In scientific notation, it is written as 6.46768125 × 10^8.
The sum of its digits is 45. It has a total of 5 prime factors and 16 positive divisors.
There are 344934000 positive integers (up to 646768125) that are relatively prime to 646768125.
646768125 has 16 divisors, whose sum is 813166848
The reverse of 646768125 is 521867646
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
six hundred forty-six million seven hundred sixty-eight thousand one hundred twenty-five
Scientific notation
6.46768125 × 10^8
Engineering notation
6.46768125 × 10^6
Prime Factorization
135 × 5 × 5 × 5 × 38327
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
25870725
Product of the distinct prime numbers
The prime factorization of 646768125 is 135 × 5 × 5 × 5 × 38327.
Since it has a total of 5 prime factors.
1 , 3 , 70 , 89 , 423 , 852 , 8989 , 253 , 99482 , 44452 , 82513 , 506737 , 1757610 , 6744351 , 79907028 , 29691965 , 708749530 , 572725668 , 1203786166 , 7689045481
n×2
1293536250
n×3
1940304375
n×4
2587072500
n×5
3233840625
n÷2
323384062.5
n÷3
215589375
n÷3
161692031.25
n÷5
129353625
n2
418309007516015625
n3
2.7054893246174E+26
n4
1.7498242576903E+35
n5
1.1317305542259E+44
2 √n
25431.636302055
3 √n
864.80103902952
4 √n
159.47299552606
5 √n
57.829537853704
1 , 5 , 25 , 125 , 135 , 675 , 3375 , 16875 , 38327 , 191635 , 958175 , 4790875 , 5174145 , 25870725 , 129353625 , 646768125
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
-646768124
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 646768125 can be divided by 16 positive divisors.
The sum of these divisors (counting 646768125) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110100011001110010111111101
3
Ternary
1200002000020002000
4
Quaternary
212203032113331
5
Quinary
2311033040000
6
Senary
144102252513
8
Octal
4643162775
10
Decimal
646768125
12
Duodecimal
160727139
16
Hexadecimal
268ce5fd
20
Vigesimal
a226065
36
Base36
ap2hh9
md5
0f7c971c84d25c95f620393f7836937e
sha1
7f7aa0770b12fc0fe045f23c50edf51f2102e15d
sha256
3cda7832f419054af1f7ea78b1e413480bc77659aa103b5e9f41dc459e435644
sha512
77e3b18ffcbbe820bf471359fa4269daabc1714d5b3100d01f1b56462840b35b3cfd894b612c7857f51f40b322c41f397d024d2f38adf7fc0406418d16a6ba13
ripemd-160
f11ca0ed1ed53f0c0c35a4e9a8cc0423a77e1529
Diameter
1293536250
Circumference
4063763980.1521
Area
1.3141565049428E+18
Volume
1.1332727182112E+27
Surface area
5.256626019771E+18
Circumference
4063763980.1521
Perimeter
2587072500
Area
418309007516015625
Diagonal
914668254.08562
Surface area
2509854045096093750
Volume
2.7054893246174E+26
Space diagonal
1120235253.2161
Perimeter
1940304375
Area
1.8113311357036E+17
Altitude
560117626.60803
Surface area
1.8113311357036E+17
Volume
3.1884497464413E+25
Height
304889418.02854