20046981 is an odd 8-digits composite number following 20046980
and preceding 20046982 . In scientific notation, it is written as 2.0046981 × 10^7.
The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors.
There are 13364652 positive integers (up to 20046981) that are relatively prime to 20046981.
20046981 has 4 divisors, whose sum is 26729312
The reverse of 20046981 is 18964002
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million forty-six thousand nine hundred eighty-one
Scientific notation
2.0046981 × 10^7
Engineering notation
2.0046981 × 10^6
Prime Factorization
3 × 6682327
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20046981
Product of the distinct prime numbers
The prime factorization of 20046981 is 3 × 6682327.
Since it has a total of 2 prime factors.
9 , 4 , 1 , 97 , 536 , 716 , 1666 , 8804 , 74820 , 19292 , 640733 , 990703 , 7387438 , 7180992 , 49633966 , 80876005 , 343711912 , 481179125 , 8615691415 , 5653291196
n×2
40093962
n×3
60140943
n×4
80187924
n×5
100234905
n÷2
10023490.5
n÷3
6682327
n÷3
5011745.25
n÷5
4009396.2
n2
401881447214361
n3
8.0565097365588E+21
n4
1.6150869761511E+29
n5
3.2377617924248E+36
2 √n
4477.385509424
3 √n
271.65413887471
4 √n
66.913268560309
5 √n
28.867541295531
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
-20046980
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 20046981 can be divided by 4 positive divisors.
The sum of these divisors (counting 20046981) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100011110010010000101
3
Ternary
1101201111021210
4
Quaternary
1030132102011
5
Quinary
20113000411
6
Senary
1553402033
8
Octal
114362205
10
Decimal
20046981
12
Duodecimal
6869319
16
Hexadecimal
131e485
20
Vigesimal
655h91
36
Base36
bxocl
md5
c8d7fc87a8a766a8fef8b90e1ed99a9d
sha1
0a3fd3c1ccc32fea95a030982fda5fc3acc13e0f
sha256
e14449f431907fb5e8a4a0c6bb3b2fc38f8fd1943cd559bbded875d45cb80236
sha512
71429da228967495320886b923f1c87cebf4360b018caf6e2b7615c008312ae60092b6213457e16fbb52117b714b3a63fd54514023ea872d9e3f3880525dfc93
ripemd-160
4e2bc80dcbfc1e5885b7500bf7d8640f8424acf4
Diameter
40093962
Circumference
125958896.47251
Area
1.2625478021827E+15
Volume
3.3747029069264E+22
Surface area
5.0501912087307E+15
Circumference
125958896.47251
Perimeter
80187924
Area
401881447214361
Diagonal
28350712.414836
Surface area
2411288683286166
Volume
8.0565097365588E+21
Space diagonal
34722389.630368
Perimeter
60140943
Area
1.7401977129865E+14
Altitude
17361194.815184
Surface area
1.7401977129865E+14
Volume
9.494687779027E+20
Height
9450237.4716119