20943988 is an even 8-digits composite number following 20943987
and preceding 20943989 . In scientific notation, it is written as 2.0943988 × 10^7.
The sum of its digits is 43. It has a total of 4 prime factors and 12 positive divisors.
There are 9666432 positive integers (up to 20943988) that are relatively prime to 20943988.
20943988 has 12 divisors, whose sum is 39471460
The reverse of 20943988 is 88934902
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty million nine hundred forty-three thousand nine hundred eighty-eight
Scientific notation
2.0943988 × 10^7
Engineering notation
2.0943988 × 10^6
Prime Factorization
2 × 2 × 13 × 402769
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10471994
Product of the distinct prime numbers
The prime factorization of 20943988 is 2 × 2 × 13 × 402769.
Since it has a total of 4 prime factors.
5 , 10 , 61 , 1 , 994 , 895 , 608 , 9433 , 45191 , 6629 , 962492 , 881572 , 2749786 , 1909379 , 23148717 , 54391199 , 999414772 , 524405146 , 5215798874 , 4163599419
n×2
41887976
n×3
62831964
n×4
83775952
n×5
104719940
n÷2
10471994
n÷3
6981329.3333333
n÷3
5235997
n÷5
4188797.6
n2
438650633344144
n3
9.1870936009522E+21
n4
1.9241437813322E+29
n5
4.0299244266496E+36
2 √n
4576.4602041316
3 √n
275.64690897637
4 √n
67.649539570729
5 √n
29.12137494801
1 , 2 , 4 , 13 , 26 , 52 , 402769 , 805538 , 1611076 , 5235997 , 10471994 , 20943988
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20943987
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20943988 can be divided by 12 positive divisors.
The sum of these divisors (counting 20943988) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001111111001010001110100
3
Ternary
1110102001202021
4
Quaternary
1033321101310
5
Quinary
20330201423
6
Senary
2024522524
8
Octal
117712164
10
Decimal
20943988
12
Duodecimal
7020444
16
Hexadecimal
13f9474
20
Vigesimal
6ahjj8
36
Base36
cgwhg
md5
1cbf2c8b5e5561cba559c84f5162dfc6
sha1
77752165e7166066f15c08875fa2e418b622bba8
sha256
f43a1a64009fa9eac51dea38ecc22f39b32e8e133a37e2cb030a35d2936c81ab
sha512
83c368721369637b306a15b569768e1931962728682d05258a75aa53a221508c646b6a64e31784e3e56ae9d498711c8421ff7b706cad01cae51776a66958f3a7
ripemd-160
b7639d1aca025639b45c4a1ad25bbae9fb044bfe
Diameter
41887976
Circumference
131594957.67535
Area
1.3780616072065E+15
Volume
3.8482807686124E+22
Surface area
5.5122464288259E+15
Circumference
131594957.67535
Perimeter
83775952
Area
438650633344144
Diagonal
29619271.879779
Surface area
2631903800064864
Volume
9.1870936009522E+21
Space diagonal
36276051.329113
Perimeter
62831964
Area
1.8994129593108E+14
Altitude
18138025.664556
Surface area
1.8994129593108E+14
Volume
1.0827093641048E+21
Height
9873090.6265931