6428721808 is an even 10-digits composite number following 6428721807
and preceding 6428721809 . In scientific notation, it is written as 6.428721808 × 10^9.
The sum of its digits is 46. It has a total of 5 prime factors and 10 positive divisors.
There are 3214360896 positive integers (up to 6428721808) that are relatively prime to 6428721808.
6428721808 has 10 divisors, whose sum is 12455648534
The reverse of 6428721808 is 8081278246
Previous prime number is 2
Is Prime? no
Number parity even
Number length 10
Sum of Digits 46
Digital Root 1
Name
six billion four hundred twenty-eight million seven hundred twenty-one thousand eight hundred eight
Scientific notation
6.428721808 × 10^9
Engineering notation
6.428721808 × 10^9
Prime Factorization
2 × 2 × 2 × 2 × 401795113
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
803590226
Product of the distinct prime numbers
The prime factorization of 6428721808 is 2 × 2 × 2 × 2 × 401795113.
Since it has a total of 5 prime factors.
7 , 1 , 90 , 20 , 52 , 198 , 5438 , 86 , 35888 , 68049 , 640732 , 363090 , 209558 , 7123688 , 42453229 , 79024077 , 812833381 , 572014115 , 4407426035 , 2042093961
n×2
12857443616
n×3
19286165424
n×4
25714887232
n×5
32143609040
n÷2
3214360904
n÷3
2142907269.3333
n÷3
1607180452
n÷5
1285744361.6
n2
4.1328464084655E+19
n3
2.6568919835217E+29
n4
1.7080419435966E+39
n5
1.0980526491778E+49
2 √n
80179.310348743
3 √n
1859.4087811476
4 √n
283.15951396473
5 √n
91.542954842009
10 divisors
τ
Total Divisors
10
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-6428721807
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.1
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
10
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 6428721808 can be divided by 10 positive divisors.
The sum of these divisors (counting 6428721808) is 1, the average is 0.1.
Base
System
Value
2
Binary
101111111001011101000001010010000
3
Ternary
121121000202220102201
4
Quaternary
11333023220022100
5
Quinary
101131223044213
6
Senary
2541525452544
8
Octal
57713501220
10
Decimal
6428721808
12
Duodecimal
12b4b71154
16
Hexadecimal
17f2e8290
20
Vigesimal
508ja4a8
36
Base36
2ybhths
md5
8ec11f477a1aa022b08ae51a461a9234
sha1
3f75213e2df2739a2f02d125520916eed2640945
sha256
2406f4eb23dc315ec4c64eafbb726d2278aa12d221e039d43e84b40259ba9253
sha512
0e046ec5680b9ddc32b7ef5311669f65acb68ef5bbed3f246610e2f31adf0d70d3cbe71398ffa2a613e61132a079815460e24d007fd33f6cbc738baef10fe285
ripemd-160
4af12585d9cc6ecd52f77da2dc8f089008c380a3
Diameter
12857443616
Circumference
40392850407.971
Area
1.298371991525E+20
Volume
1.1129163115751E+30
Surface area
5.1934879661E+20
Circumference
40392850407.971
Perimeter
25714887232
Area
4.1328464084655E+19
Diagonal
9091585569.5973
Surface area
2.4797078450793E+20
Volume
2.6568919835217E+29
Space diagonal
11134872799.182
Perimeter
19286165424
Area
1.7895749898352E+19
Altitude
5567436399.591
Surface area
1.7895749898352E+19
Volume
3.1311772307139E+28
Height
3030528523.1991