20180842 is an even 8-digits composite number following 20180841
and preceding 20180843 . In scientific notation, it is written as 2.0180842 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors.
There are 9086320 positive integers (up to 20180842) that are relatively prime to 20180842.
20180842 has 16 divisors, whose sum is 33335712
The reverse of 20180842 is 24808102
Previous prime number is 107
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million one hundred eighty thousand eight hundred forty-two
Scientific notation
2.0180842 × 10^7
Engineering notation
2.0180842 × 10^6
Prime Factorization
2 × 11 × 107 × 8573
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20180842
Product of the distinct prime numbers
The prime factorization of 20180842 is 2 × 11 × 107 × 8573.
Since it has a total of 4 prime factors.
9 , 7 , 70 , 59 , 256 , 244 , 5695 , 2084 , 10746 , 28187 , 443070 , 45147 , 1235137 , 2351745 , 80061440 , 41093762 , 840926045 , 951814635 , 5264853452 , 9695968757
n×2
40361684
n×3
60542526
n×4
80723368
n×5
100904210
n÷2
10090421
n÷3
6726947.3333333
n÷3
5045210.5
n÷5
4036168.4
n2
407266383828964
n3
8.2189785439637E+21
n4
1.6586590739712E+29
n5
3.3473136703679E+36
2 √n
4492.3092057426
3 √n
272.2574426054
4 √n
67.024691015645
5 √n
28.905990555635
1 , 2 , 11 , 22 , 107 , 214 , 1177 , 2354 , 8573 , 17146 , 94303 , 188606 , 917311 , 1834622 , 10090421 , 20180842
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
-20180841
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 20180842 can be divided by 16 positive divisors.
The sum of these divisors (counting 20180842) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111110111101101010
3
Ternary
1101222021220121
4
Quaternary
1030332331222
5
Quinary
20131241332
6
Senary
2000313454
8
Octal
114767552
10
Decimal
20180842
12
Duodecimal
691288a
16
Hexadecimal
133ef6a
20
Vigesimal
662c22
36
Base36
c0jmy
md5
1d4ddde51faccad6c20de09bea020f8d
sha1
a96cbfea360ab1cfac01227e056ebbd0e3bb901e
sha256
56b3e39f0dd28450166114687fdad0017b83aa75e680d593a136938b2bf59c6b
sha512
e4f96fc99338f946bb50195f600528cb991cc01dc48ecb723915fd4558e2621463828245afe98c2853915ce7156e1c27f33a80ff937eaf184b8996dc6f1d6d6b
ripemd-160
e278c91e53315fb166949dd685b3c9f1f15399bf
Diameter
40361684
Circumference
126799969.94091
Area
1.2794650794912E+15
Volume
3.4427576818305E+22
Surface area
5.1178603179646E+15
Circumference
126799969.94091
Perimeter
80723368
Area
407266383828964
Diagonal
28540020.456509
Surface area
2443598302973784
Volume
8.2189785439637E+21
Space diagonal
34954243.68352
Perimeter
60542526
Area
1.7635151725165E+14
Altitude
17477121.84176
Surface area
1.7635151725165E+14
Volume
9.6861591047724E+20
Height
9513340.1521695