642000646 is an even 9-digits composite number following 642000645
and preceding 642000647 . In scientific notation, it is written as 6.42000646 × 10^8.
The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors.
There are 275142840 positive integers (up to 642000646) that are relatively prime to 642000646.
642000646 has 16 divisors, whose sum is 1123034400
The reverse of 642000646 is 646000246
Previous prime number is 7
Is Prime? no
Number parity even
Number length 9
Sum of Digits 28
Digital Root 1
Name
six hundred forty-two million six hundred forty-six
Scientific notation
6.42000646 × 10^8
Engineering notation
6.42000646 × 10^6
Prime Factorization
2 × 49 × 7 × 935861
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
642000646
Product of the distinct prime numbers
The prime factorization of 642000646 is 2 × 49 × 7 × 935861.
Since it has a total of 4 prime factors.
10 , 9 , 86 , 14 , 420 , 378 , 9439 , 2908 , 43084 , 74479 , 585496 , 722075 , 3962846 , 6370889 , 33566665 , 50717500 , 367887304 , 911281493 , 5228197403 , 3873686893
n×2
1284001292
n×3
1926001938
n×4
2568002584
n×5
3210003230
n÷2
321000323
n÷3
214000215.33333
n÷3
160500161.5
n÷5
128400129.2
n2
412164829464417316
n3
2.6461008677464E+26
n4
1.6987984664743E+35
n5
1.0906297129003E+44
2 √n
25337.73166643
3 √n
862.67091301754
4 √n
159.17830149373
5 √n
57.744030354667
1 , 2 , 7 , 14 , 49 , 98 , 343 , 686 , 935861 , 1871722 , 6551027 , 13102054 , 45857189 , 91714378 , 321000323 , 642000646
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
-642000645
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 642000646 can be divided by 16 positive divisors.
The sum of these divisors (counting 642000646) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110010001000010011100000110
3
Ternary
1122202001000022201
4
Quaternary
212101002130012
5
Quinary
2303323010041
6
Senary
143412145114
8
Octal
4621023406
10
Decimal
642000646
12
Duodecimal
15b00819a
16
Hexadecimal
26442706
20
Vigesimal
a0ca1c6
36
Base36
am8ava
md5
ba146605d7ea3841dfeb1ade5099788d
sha1
cc3594c24d12de09f6efe5d3350616973d455ae0
sha256
3752d22f790e35d4bbd544a98b85c8035c5bd9dd4d7316222f52f30658192572
sha512
2fece89e2cc6f6764b44ba2483f4f33ed1f609f79ea37f1ccf713ecc75b06cb741bd0de0166eb1b40829373fbacddeabce35b249aa0dd211479e618ef8c33c15
ripemd-160
5ee1482576be7840fe630eb8ef1295e99b21316e
Diameter
1284001292
Circumference
4033809026.147
Area
1.2948540003135E+18
Volume
1.1083961395693E+27
Surface area
5.179416001254E+18
Circumference
4033809026.147
Perimeter
2568002584
Area
412164829464417316
Diagonal
907926020.62549
Surface area
2472988976786503896
Volume
2.6461008677464E+26
Space diagonal
1111977737.364
Perimeter
1926001938
Area
1.7847260643133E+17
Altitude
555988868.68202
Surface area
1.7847260643133E+17
Volume
3.1184597788118E+25
Height
302642006.87516