20101982 is an even 8-digits composite number following 20101981
and preceding 20101983 . In scientific notation, it is written as 2.0101982 × 10^7.
The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors.
There are 10050990 positive integers (up to 20101982) that are relatively prime to 20101982.
20101982 has 4 divisors, whose sum is 30152976
The reverse of 20101982 is 28910102
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million one hundred one thousand nine hundred eighty-two
Scientific notation
2.0101982 × 10^7
Engineering notation
2.0101982 × 10^6
Prime Factorization
2 × 10050991
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20101982
Product of the distinct prime numbers
The prime factorization of 20101982 is 2 × 10050991.
Since it has a total of 2 prime factors.
2 , 1 , 48 , 83 , 589 , 263 , 1838 , 8771 , 52759 , 2386 , 32227 , 42427 , 9331986 , 6253874 , 89763755 , 2649928 , 728073881 , 179412904 , 6440714717 , 985392645
n×2
40203964
n×3
60305946
n×4
80407928
n×5
100509910
n÷2
10050991
n÷3
6700660.6666667
n÷3
5025495.5
n÷5
4020396.4
n2
404089680328324
n3
8.1230034803457E+21
n4
1.6328846974785E+29
n5
3.2824218796788E+36
2 √n
4483.5233912627
3 √n
271.90234924589
4 √n
66.959117312452
5 √n
28.883364167265
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
-20101981
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 20101982 can be divided by 4 positive divisors.
The sum of these divisors (counting 20101982) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100101011101101011110
3
Ternary
1101211021201212
4
Quaternary
1030223231132
5
Quinary
20121230412
6
Senary
1554504422
8
Octal
114535536
10
Decimal
20101982
12
Duodecimal
6895112
16
Hexadecimal
132bb5e
20
Vigesimal
65cej2
36
Base36
byuse
md5
57262b12156f3a1e764e500b1b816535
sha1
cb141b813f19847f392814ee26a2f70f2bf9858b
sha256
02fa5327596357b1ab425c1ce6dbc75b41fb65383a3f04bd17d396c13eb360db
sha512
3366bfd3c810e57971271fc9c2c6216061b3a4e6b9bc3773e576786ad819cb72329f323bdbb01864d2d2294544f120720315d60df730ee1b248e39b81d9ae6ff
ripemd-160
3a5bccbcc01db826e8420e1682bfe189b4c2aa3f
Diameter
40203964
Circumference
126304477.94759
Area
1.2694851711109E+15
Volume
3.4025557411918E+22
Surface area
5.0779406844436E+15
Circumference
126304477.94759
Perimeter
80407928
Area
404089680328324
Diagonal
28428495.57498
Surface area
2424538081969944
Volume
8.1230034803457E+21
Space diagonal
34817654.156835
Perimeter
60305946
Area
1.7497596428573E+14
Altitude
17408827.078418
Surface area
1.7497596428573E+14
Volume
9.5730514075906E+20
Height
9476165.1916599