646799145 is an odd 9-digits composite number following 646799144
and preceding 646799146 . In scientific notation, it is written as 6.46799145 × 10^8.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 344635200 positive integers (up to 646799145) that are relatively prime to 646799145.
646799145 has 16 divisors, whose sum is 1035851712
The reverse of 646799145 is 541997646
Previous prime number is 1093
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 51
Digital Root 6
Name
six hundred forty-six million seven hundred ninety-nine thousand one hundred forty-five
Scientific notation
6.46799145 × 10^8
Engineering notation
6.46799145 × 10^6
Prime Factorization
3 × 5 × 1093 × 39451
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
646799145
Product of the distinct prime numbers
The prime factorization of 646799145 is 3 × 5 × 1093 × 39451.
Since it has a total of 4 prime factors.
6 , 6 , 12 , 35 , 899 , 694 , 4589 , 7247 , 96187 , 47735 , 924455 , 169217 , 8990757 , 4732345 , 96039967 , 12487678 , 504813824 , 62181272 , 1137003613 , 9849677324
n×2
1293598290
n×3
1940397435
n×4
2587196580
n×5
3233995725
n÷2
323399572.5
n÷3
215599715
n÷3
161699786.25
n÷5
129359829
n2
418349133972731025
n3
2.7058786216505E+26
n4
1.7501599789573E+35
n5
1.1320019780028E+44
2 √n
25432.246165056
3 √n
864.81486454046
4 √n
159.47490763457
5 √n
57.830092561885
1 , 3 , 5 , 15 , 1093 , 3279 , 5465 , 16395 , 39451 , 118353 , 197255 , 591765 , 43119943 , 129359829 , 215599715 , 646799145
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
-646799144
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 646799145 can be divided by 16 positive divisors.
The sum of these divisors (counting 646799145) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110100011010101111100101001
3
Ternary
1200002001210121220
4
Quaternary
212203111330221
5
Quinary
2311040033040
6
Senary
144103052253
8
Octal
4643257451
10
Decimal
646799145
12
Duodecimal
160741089
16
Hexadecimal
268d5f29
20
Vigesimal
a229hh5
36
Base36
ap35ex
md5
9010c5714c6719a8475692cae0e90bdc
sha1
86bacea0c0a1b1bffdc3abc623d19f366c112ce3
sha256
6d7913da3fdd0847daa93fa78ef3c49a240645cbff222d74310665a7b40d2742
sha512
8441638ca710e05d4c3458c111065b82c7ee14d4baa9c2296191b56771666c86ac908c9da7e2771df013cc1d5e45f03d15d935abbf4844e60efff983023e52cd
ripemd-160
e3710fdba90952c2391c3047a1c7eb894d592a84
Diameter
1293598290
Circumference
4063958884.5603
Area
1.3142825659244E+18
Volume
1.1334357865711E+27
Surface area
5.2571302636975E+18
Circumference
4063958884.5603
Perimeter
2587196580
Area
418349133972731025
Diagonal
914712122.99032
Surface area
2510094803836386150
Volume
2.7058786216505E+26
Space diagonal
1120288981.4321
Perimeter
1940397435
Area
1.811504888358E+17
Altitude
560144490.71605
Surface area
1.811504888358E+17
Volume
3.1889085373947E+25
Height
304904040.99677