642235861 is an odd 9-digits composite number following 642235860
and preceding 642235862 . In scientific notation, it is written as 6.42235861 × 10^8.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 637547872 positive integers (up to 642235861) that are relatively prime to 642235861.
642235861 has 4 divisors, whose sum is 646923852
The reverse of 642235861 is 168532246
Previous prime number is 137
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
six hundred forty-two million two hundred thirty-five thousand eight hundred sixty-one
Scientific notation
6.42235861 × 10^8
Engineering notation
6.42235861 × 10^6
Prime Factorization
137 × 4687853
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
642235861
Product of the distinct prime numbers
The prime factorization of 642235861 is 137 × 4687853.
Since it has a total of 2 prime factors.
2 , 7 , 54 , 20 , 213 , 529 , 3465 , 958 , 21132 , 84787 , 871117 , 158422 , 671039 , 8239215 , 7520764 , 79072616 , 228308899 , 139078210 , 2756910294 , 2616547650
n×2
1284471722
n×3
1926707583
n×4
2568943444
n×5
3211179305
n÷2
321117930.5
n÷3
214078620.33333
n÷3
160558965.25
n÷5
128447172.2
n2
412466901154411321
n3
2.6490103539691E+26
n4
1.7012894454792E+35
n5
1.0926290918276E+44
2 √n
25342.372836812
3 √n
862.77625474066
4 √n
159.19287935336
5 √n
57.748260964753
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-642235860
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 642235861 can be divided by 4 positive divisors.
The sum of these divisors (counting 642235861) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110010001111011110111010101
3
Ternary
1122202110221222101
4
Quaternary
212101323313111
5
Quinary
2303403021421
6
Senary
143421202101
8
Octal
4621736725
10
Decimal
642235861
12
Duodecimal
15b100331
16
Hexadecimal
2647bdd5
20
Vigesimal
a0dj9d1
36
Base36
amdcd1
md5
9eac8374af75eed82a0ba63aec87daf1
sha1
053a4293b88133f07431b0a3e24f1b7046264cee
sha256
a80f7f674c198e0ec43cb686c69cb095cc57d50cdf297c0a1a64c6a160da07ce
sha512
4e2d371ad0816a43a5d215e2142a41f147478c4fba0675874dff0529fcf5a5e025458dd7ec23811bcaad2555822179cb63f5d47a0670d346aab050746a8470d8
ripemd-160
96c8ca542b71ab0c9fe5d52da05fd4969b3bf9dc
Diameter
1284471722
Circumference
4035286925.579
Area
1.2958029865156E+18
Volume
1.1096148623083E+27
Surface area
5.1832119460626E+18
Circumference
4035286925.579
Perimeter
2568943444
Area
412466901154411321
Diagonal
908258664.86856
Surface area
2474801406926467926
Volume
2.6490103539691E+26
Space diagonal
1112385141.6947
Perimeter
1926707583
Area
1.7860340730998E+17
Altitude
556192570.84737
Surface area
1.7860340730998E+17
Volume
3.1218886412082E+25
Height
302752888.28952