20041981 is an odd 8-digits prime number following 20041980
and preceding 20041982 . In scientific notation, it is written as 2.0041981 × 10^7.
The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors.
There are 20041980 positive integers (up to 20041981) that are relatively prime to 20041981.
20041981 has 2 divisors, whose sum is 20041982
The reverse of 20041981 is 18914002
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million forty-one thousand nine hundred eighty-one
Scientific notation
2.0041981 × 10^7
Engineering notation
2.0041981 × 10^6
Prime Factorization
20041981
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20041981
Product of the distinct prime numbers
The prime factorization of 20041981 is 20041981.
Since it has a total of 1 prime factors.
4 , 10 , 86 , 82 , 35 , 297 , 5437 , 8689 , 12805 , 81900 , 655134 , 893474 , 5942725 , 3093412 , 97279692 , 40271813 , 301756904 , 260655884 , 7611393044 , 9478339179
n×2
40083962
n×3
60125943
n×4
80167924
n×5
100209905
n÷2
10020990.5
n÷3
6680660.3333333
n÷3
5010495.25
n÷5
4008396.2
n2
401681002404361
n3
8.0504830182492E+21
n4
1.6134762769257E+29
n5
3.2337260886096E+36
2 √n
4476.8271130344
3 √n
271.63155220469
4 √n
66.909095891623
5 √n
28.866101157402
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20041982
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10020991
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4476.8272247207
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999002095
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20041981 can be divided by 2 positive divisors.
The sum of these divisors (counting 20041981) is 20041982, the average is 10020991.
Base
System
Value
2
Binary
1001100011101000011111101
3
Ternary
1101201020102121
4
Quaternary
1030131003331
5
Quinary
20112320411
6
Senary
1553322541
8
Octal
114350375
10
Decimal
20041981
12
Duodecimal
6866451
16
Hexadecimal
131d0fd
20
Vigesimal
6554j1
36
Base36
bxkhp
md5
1691951fc3bcff24180fba2fc79fa1f2
sha1
b3f44e98daf8b5710d44898be3ee3b9abfb9416c
sha256
4c3f86ac29b36508b7df184d51814154ac3930e7118ca53c8b48cd6b70dcc29b
sha512
f8d73128fc2e2eb4339a41a25f33cbabd7cabca10dae9b58f3ae5eccf348849b4230e5a7e7af5bae09ccdbdd87a74b8b796aa054ef81a79ac9e9ebad74a9a1fc
ripemd-160
ad4ee22ba6a06cdb8a2e180c4d5b35634f355693
Diameter
40083962
Circumference
125927480.54597
Area
1.2619180862401E+15
Volume
3.3721784410641E+22
Surface area
5.0476723449605E+15
Circumference
125927480.54597
Perimeter
80167924
Area
401681002404361
Diagonal
28343641.347024
Surface area
2410086014426166
Volume
8.0504830182492E+21
Space diagonal
34713729.37633
Perimeter
60125943
Area
1.7393297614989E+14
Altitude
17356864.688165
Surface area
1.7393297614989E+14
Volume
9.4875852233852E+20
Height
9447880.449008