642051285 is an odd 9-digits composite number following 642051284
and preceding 642051286 . In scientific notation, it is written as 6.42051285 × 10^8.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 337315968 positive integers (up to 642051285) that are relatively prime to 642051285.
642051285 has 16 divisors, whose sum is 1042616256
The reverse of 642051285 is 582150246
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 33
Digital Root 6
Name
six hundred forty-two million fifty-one thousand two hundred eighty-five
Scientific notation
6.42051285 × 10^8
Engineering notation
6.42051285 × 10^6
Prime Factorization
3 × 5 × 67 × 638857
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
642051285
Product of the distinct prime numbers
The prime factorization of 642051285 is 3 × 5 × 67 × 638857.
Since it has a total of 4 prime factors.
6 , 8 , 65 , 60 , 496 , 207 , 5643 , 6161 , 15192 , 76234 , 589925 , 873694 , 3452111 , 7387568 , 76642118 , 70655188 , 220216089 , 654844978 , 2061454347 , 5928245006
n×2
1284102570
n×3
1926153855
n×4
2568205140
n×5
3210256425
n÷2
321025642.5
n÷3
214017095
n÷3
160512821.25
n÷5
128410257
n2
412229852570151225
n3
2.6467270655803E+26
n4
1.6993345135001E+35
n5
1.0910599080376E+44
2 √n
25338.730927179
3 √n
862.69359401437
4 √n
159.18144027235
5 √n
57.744941259576
1 , 3 , 5 , 15 , 67 , 201 , 335 , 1005 , 638857 , 1916571 , 3194285 , 9582855 , 42803419 , 128410257 , 214017095 , 642051285
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
-642051284
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 642051285 can be divided by 16 positive divisors.
The sum of these divisors (counting 642051285) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110010001001110110011010101
3
Ternary
1122202010120210020
4
Quaternary
212101032303111
5
Quinary
2303331120120
6
Senary
143413215353
8
Octal
4621166325
10
Decimal
642051285
12
Duodecimal
15b031559
16
Hexadecimal
2644ecd5
20
Vigesimal
a0cg845
36
Base36
am9dxx
md5
f15ddb2cf58b67b8c7c0bcf7af0e6bab
sha1
bd24d54c44fefd7f5d6c6968052f352bc4ce300d
sha256
620c3763218cfd83eb34b311b92799607c0dd0120328236581bea54fbf2c396e
sha512
5f5acbf5e2d3eb3b9f9d68a76777e283d6820c0865f7043b751598b81b1fa88b4fed5020465f10977f8996201dcf8243ddff2f4fe6614bf0980c31f45d2f481e
ripemd-160
287132f587b5edbc28c0624b295ce55520b57ebc
Diameter
1284102570
Circumference
4034127200.3678
Area
1.2950582764248E+18
Volume
1.1086584407046E+27
Surface area
5.1802331056992E+18
Circumference
4034127200.3678
Perimeter
2568205140
Area
412229852570151225
Diagonal
907997634.98607
Surface area
2473379115420907350
Volume
2.6467270655803E+26
Space diagonal
1112065446.6849
Perimeter
1926153855
Area
1.7850076226203E+17
Altitude
556032723.34244
Surface area
1.7850076226203E+17
Volume
3.1191977600363E+25
Height
302665878.32869