20943982 is an even 8-digits composite number following 20943981
and preceding 20943983 . In scientific notation, it is written as 2.0943982 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 10471990 positive integers (up to 20943982) that are relatively prime to 20943982.
20943982 has 4 divisors, whose sum is 31415976
The reverse of 20943982 is 28934902
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million nine hundred forty-three thousand nine hundred eighty-two
Scientific notation
2.0943982 × 10^7
Engineering notation
2.0943982 × 10^6
Prime Factorization
2 × 10471991
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20943982
Product of the distinct prime numbers
The prime factorization of 20943982 is 2 × 10471991.
Since it has a total of 2 prime factors.
4 , 4 , 31 , 10 , 354 , 705 , 5595 , 3447 , 93181 , 36027 , 187171 , 963258 , 2720111 , 6028153 , 10134922 , 68663476 , 657887331 , 8146003 , 7720985161 , 9034724778
n×2
41887964
n×3
62831946
n×4
83775928
n×5
104719910
n÷2
10471991
n÷3
6981327.3333333
n÷3
5235995.5
n÷5
4188796.4
n2
438650382016324
n3
9.187085705243E+21
n4
1.9241415764307E+29
n5
4.0299186542216E+36
2 √n
4576.459548603
3 √n
275.64688265408
4 √n
67.649534725695
5 √n
29.121373279481
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
-20943981
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 20943982 can be divided by 4 positive divisors.
The sum of these divisors (counting 20943982) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111111001010001101110
3
Ternary
1110102001202001
4
Quaternary
1033321101232
5
Quinary
20330201412
6
Senary
2024522514
8
Octal
117712156
10
Decimal
20943982
12
Duodecimal
702043a
16
Hexadecimal
13f946e
20
Vigesimal
6ahjj2
36
Base36
cgwha
md5
b9167d1556c60cd83986e11a97bb856a
sha1
f5c8f5991c41d9b2f6b4b33de1bad24584ebe06e
sha256
8eef67615e053a14c0d7bd86a04c7edf1f00b257935114efa03436a88ca0d43f
sha512
de0f5f76631cf2c28525eb3ce7b319546ceeaad37336f28d38bd31da790150cd3f01824cb2fb9af82f877afe3518610d1385f9a127800bd1e45f2717d3c29692
ripemd-160
68e798cc8e2d500749a437d4061204a481cc054a
Diameter
41887964
Circumference
131594919.97623
Area
1.3780608176368E+15
Volume
3.8482774612655E+22
Surface area
5.5122432705474E+15
Circumference
131594919.97623
Perimeter
83775928
Area
438650382016324
Diagonal
29619263.394498
Surface area
2631902292097944
Volume
9.187085705243E+21
Space diagonal
36276040.936808
Perimeter
62831946
Area
1.8994118710294E+14
Altitude
18138020.468404
Surface area
1.8994118710294E+14
Volume
1.0827084335866E+21
Height
9873087.798166