642051284 is an even 9-digits composite number following 642051283
and preceding 642051285 . In scientific notation, it is written as 6.42051284 × 10^8.
The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors.
There are 275164824 positive integers (up to 642051284) that are relatively prime to 642051284.
642051284 has 12 divisors, whose sum is 1284102624
The reverse of 642051284 is 482150246
Previous prime number is 7
Is Prime? no
Number parity even
Number length 9
Sum of Digits 32
Digital Root 5
Name
six hundred forty-two million fifty-one thousand two hundred eighty-four
Scientific notation
6.42051284 × 10^8
Engineering notation
6.42051284 × 10^6
Prime Factorization
2 × 2 × 7 × 22930403
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
321025642
Product of the distinct prime numbers
The prime factorization of 642051284 is 2 × 2 × 7 × 22930403.
Since it has a total of 4 prime factors.
1 , 10 , 79 , 33 , 850 , 499 , 3633 , 5334 , 54022 , 12252 , 247474 , 196156 , 7637217 , 2934853 , 2744317 , 64209836 , 991322721 , 131906781 , 2160614441 , 1630715286
n×2
1284102568
n×3
1926153852
n×4
2568205136
n×5
3210256420
n÷2
321025642
n÷3
214017094.66667
n÷3
160512821
n÷5
128410256.8
n2
412229851286048656
n3
2.6467270532134E+26
n4
1.6993345029132E+35
n5
1.0910598995409E+44
2 √n
25338.730907447
3 √n
862.69359356649
4 √n
159.18144021037
5 √n
57.744941241588
1 , 2 , 4 , 7 , 14 , 28 , 22930403 , 45860806 , 91721612 , 160512821 , 321025642 , 642051284
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-642051283
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 642051284 can be divided by 12 positive divisors.
The sum of these divisors (counting 642051284) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110010001001110110011010100
3
Ternary
1122202010120210012
4
Quaternary
212101032303110
5
Quinary
2303331120114
6
Senary
143413215352
8
Octal
4621166324
10
Decimal
642051284
12
Duodecimal
15b031558
16
Hexadecimal
2644ecd4
20
Vigesimal
a0cg844
36
Base36
am9dxw
md5
8bcb3c85a670f214d1879cf6fb3de161
sha1
9d2a710b772470f0c534cd3a828fe364385df9ff
sha256
0e88e28439a948ab2b9399ef2b26b85c35991f32793e6401eb0a6f821d709996
sha512
da1c8e7a7f1c535ada06019c58bb42e49b28a819809dc6094b786e4c716fcc47a53587ad417257667b30bf200ea3cc30d35cb575af965a27964be01f106e866c
ripemd-160
a6f8a2025626cee913a3fcb01b5bae7f379663ea
Diameter
1284102568
Circumference
4034127194.0846
Area
1.2950582723907E+18
Volume
1.1086584355243E+27
Surface area
5.1802330895627E+18
Circumference
4034127194.0846
Perimeter
2568205136
Area
412229851286048656
Diagonal
907997633.57186
Surface area
2473379107716291936
Volume
2.6467270532134E+26
Space diagonal
1112065444.9528
Perimeter
1926153852
Area
1.78500761706E+17
Altitude
556032722.47642
Surface area
1.78500761706E+17
Volume
3.1191977454618E+25
Height
302665877.85729