646985242 is an even 9-digits composite number following 646985241
and preceding 646985243 . In scientific notation, it is written as 6.46985242 × 10^8.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 323492620 positive integers (up to 646985242) that are relatively prime to 646985242.
646985242 has 4 divisors, whose sum is 970477866
The reverse of 646985242 is 242589646
Previous prime number is 2
Is Prime? no Number parity even Number length 9 Sum of Digits 46 Digital Root 1
Name
six hundred forty-six million nine hundred eighty-five thousand two hundred forty-two
Scientific notation
6.46985242 × 10^8
Engineering notation
6.46985242 × 10^6
Prime Factorization
2 × 323492621
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
646985242 Product of the distinct prime numbers
The prime factorization of 646985242 is 2 × 323492621.
Since it has a total of 2 prime factors.
7 , 5 , 93 , 46 , 868 , 517 , 7994 , 3649 , 39885 , 19299 , 429760 , 818382 , 8216460 , 1797642 , 210868 , 58949067 , 260612602 , 653213192 , 845824572 , 9417657736
n×2
1293970484
n×3
1940955726
n×4
2587940968
n×5
3234926210
n÷2
323492621
n÷3
215661747.33333
n÷3
161746310.5
n÷5
129397048.4
n2
418589903365798564
n3
2.7082148992788E+26
n4
1.7521750719979E+35
n5
1.1336314129829E+44
2 √n25435.904583875
3 √n864.89779807575
4 √n159.48637742414
5 √n57.833419952917
4 divisors
τ Total Divisors
4 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-646985241 Sum of the proper positive divisors of n
A Arithmetic Mean
0.25 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
4 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 646985242 can be divided by 4 positive divisors.
The sum of these divisors (counting 646985242) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110100100000011011000011010
3
Ternary
1200002102020220101
4
Quaternary
212210003120122
5
Quinary
2311112011432
6
Senary
144111050014
8
Octal
4644033032
10
Decimal
646985242
12
Duodecimal
16081090a
16
Hexadecimal
2690361a
20
Vigesimal
a23d322
36
Base36
ap750a
md5
2a7a2e79cc267ca8a9cfcf84189d2b35
sha1
d113237f9013b391c8d0dd0a745f15dcfa064a78
sha256
7fb511addf9943fe3b9fb745e8e017c7cb3d4ccc14a7b365167e8d3e34740309
sha512
f46375113773d61201c11f754d523b291fde43742a0973f9b8b3df69cf144971879c1eb526b0e3712f13708e562eb46560cd117a3f1852cf7d10afae8b631f76
ripemd-160
912bb8b8d01055c5e0ab1de0a67fda87c9e47ade
Diameter
1293970484
Circumference
4065128166.4964
Area
1.3150389652809E+18
Volume
1.1344144042556E+27
Surface area
5.2601558611234E+18
Circumference
4065128166.4964
Perimeter
2587940968
Area
418589903365798564
Diagonal
914975303.89164
Surface area
2511539420194791384
Volume
2.7082148992788E+26
Space diagonal
1120611310.8912
Perimeter
1940955726
Area
1.8125474504123E+17
Altitude
560305655.44562
Surface area
1.8125474504123E+17
Volume
3.1916618669841E+25
Height
304991767.96388