6439702987 is an odd 10-digits prime number following 6439702986
and preceding 6439702988 . In scientific notation, it is written as 6.439702987 × 10^9.
The sum of its digits is 55. It has a total of 1 prime factors and 2 positive divisors.
There are 6439702986 positive integers (up to 6439702987) that are relatively prime to 6439702987.
6439702987 has 2 divisors, whose sum is 6439702988
The reverse of 6439702987 is 7892079346
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 10
Sum of Digits 55
Digital Root 1
Name
six billion four hundred thirty-nine million seven hundred two thousand nine hundred eighty-seven
Scientific notation
6.439702987 × 10^9
Engineering notation
6.439702987 × 10^9
Prime Factorization
6439702987
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
6439702987
Product of the distinct prime numbers
The prime factorization of 6439702987 is 6439702987.
Since it has a total of 1 prime factors.
8 , 5 , 75 , 40 , 729 , 511 , 5853 , 8415 , 92791 , 13162 , 259080 , 939743 , 1000204 , 6626389 , 26287454 , 71904701 , 168549411 , 473942178 , 7378669152 , 4010479437
n×2
12879405974
n×3
19319108961
n×4
25758811948
n×5
32198514935
n÷2
3219851493.5
n÷3
2146567662.3333
n÷3
1609925746.75
n÷5
1287940597.4
n2
4.1469774560777E+19
n3
2.6705303110925E+29
n4
1.7197422021216E+39
n5
1.1074628995873E+49
2 √n
80247.760012352
3 √n
1860.4668912137
4 √n
283.28035585326
5 √n
91.574207195501
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
6439702988
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
3219851494
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
80247.760018582
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999996894
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 6439702987 can be divided by 2 positive divisors.
The sum of these divisors (counting 6439702987) is 6439702988, the average is 3219851494.
Base
System
Value
2
Binary
101111111110101100001000111001011
3
Ternary
121121210102210210001
4
Quaternary
11333311201013023
5
Quinary
101142030443422
6
Senary
2543001103431
8
Octal
57765410713
10
Decimal
6439702987
12
Duodecimal
12b8787b77
16
Hexadecimal
17fd611cb
20
Vigesimal
50c82h97
36
Base36
2yi16mj
md5
ad8fd5346d16784a2c39502a175b342c
sha1
81400b0c20fdefb0a7c7644b6e55d37c78a8c404
sha256
bd4011d331e45b44e73289c88bb9519ee59cf9f64fa19a10c64088c04eb9ad8f
sha512
3329a718cb5d938a84110b12ec60c35d9f23f6cb81c3bfca63630b1578b79a396e431a59857a3cd733af4832fdb435cb708bb1dfbcb59ca29f4c2f71e6d3c1a3
ripemd-160
05181303bc21aee4c621c9b53f449e7e8146870f
Diameter
12879405974
Circumference
40461847190.519
Area
1.3028113910616E+20
Volume
1.1186291208689E+30
Surface area
5.2112455642464E+20
Circumference
40461847190.519
Perimeter
25758811948
Area
4.1469774560777E+19
Diagonal
9107115301.8699
Surface area
2.4881864736466E+20
Volume
2.6705303110925E+29
Space diagonal
11153892759.137
Perimeter
19319108961
Area
1.7956939129423E+19
Altitude
5576946379.5685
Surface area
1.7956939129423E+19
Volume
3.1472501538962E+28
Height
3035705100.6233