642777239 is an odd 9-digits composite number following 642777238
and preceding 642777240 . In scientific notation, it is written as 6.42777239 × 10^8.
The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors.
There are 562104576 positive integers (up to 642777239) that are relatively prime to 642777239.
642777239 has 8 divisors, whose sum is 728654640
The reverse of 642777239 is 932777246
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 47
Digital Root 2
Name
six hundred forty-two million seven hundred seventy-seven thousand two hundred thirty-nine
Scientific notation
6.42777239 × 10^8
Engineering notation
6.42777239 × 10^6
Prime Factorization
13 × 19 × 2602337
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
642777239
Product of the distinct prime numbers
The prime factorization of 642777239 is 13 × 19 × 2602337.
Since it has a total of 3 prime factors.
10 , 9 , 79 , 34 , 948 , 418 , 5541 , 6911 , 43821 , 73109 , 884744 , 865381 , 174442 , 2130757 , 14150357 , 83423280 , 341650651 , 577937224 , 3934930930 , 9883165749
n×2
1285554478
n×3
1928331717
n×4
2571108956
n×5
3213886195
n÷2
321388619.5
n÷3
214259079.66667
n÷3
160694309.75
n÷5
128555447.8
n2
413162578976463121
n3
2.6557150177261E+26
n4
1.7070331666648E+35
n5
1.0972420657502E+44
2 √n
25353.051867576
3 √n
863.0186147664
4 √n
159.22641699032
5 √n
57.757993557924
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-642777238
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 642777239 can be divided by 8 positive divisors.
The sum of these divisors (counting 642777239) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110010100000000000010010111
3
Ternary
1122210111110121102
4
Quaternary
212110000002113
5
Quinary
2304022332424
6
Senary
143440540315
8
Octal
4624000227
10
Decimal
642777239
12
Duodecimal
15b32169b
16
Hexadecimal
26500097
20
Vigesimal
a0h731j
36
Base36
amoy3b
md5
6820bc6fc59a23fe54c33ddfe3eff4ae
sha1
05f0f847999435927c95fa469cb53a413c098d0f
sha256
bf926428c3edbe6a9a1f181d7da137358009dd56e9efd1acd7a27163ef7f1475
sha512
bf40d962c625ee06ee5b8d1406d0b719e093e57c9bc47d02b89ed02eb38b5c79aeca25f5acba738057c952e486a376bbe9d378d65f4492d26880dd0bfb695ce8
ripemd-160
87d6b9376a5e475f79a859c8413bb4fe55193203
Diameter
1285554478
Circumference
4038688503.8743
Area
1.2979885228507E+18
Volume
1.1124233052955E+27
Surface area
5.1919540914027E+18
Circumference
4038688503.8743
Perimeter
2571108956
Area
413162578976463121
Diagonal
909024288.97853
Surface area
2478975473858778726
Volume
2.6557150177261E+26
Space diagonal
1113322835.8968
Perimeter
1928331717
Area
1.7890464464336E+17
Altitude
556661417.94842
Surface area
1.7890464464336E+17
Volume
3.1297901632218E+25
Height
303008096.32618