20215940 is an even 8-digits composite number following 20215939
and preceding 20215941 . In scientific notation, it is written as 2.0215940 × 10^7.
The sum of its digits is 23. It has a total of 4 prime factors and 12 positive divisors.
There are 8086368 positive integers (up to 20215940) that are relatively prime to 20215940.
20215940 has 12 divisors, whose sum is 42453516
The reverse of 20215940 is 04951202
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million two hundred fifteen thousand nine hundred forty
Scientific notation
2.0215940 × 10^7
Engineering notation
2.0215940 × 10^6
Prime Factorization
2 × 2 × 5 × 1010797
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10107970
Product of the distinct prime numbers
The prime factorization of 20215940 is 2 × 2 × 5 × 1010797.
Since it has a total of 4 prime factors.
7 , 2 , 16 , 22 , 130 , 823 , 6496 , 724 , 89131 , 80287 , 184683 , 843823 , 3179105 , 3164663 , 20706973 , 65709523 , 123725690 , 227271635 , 2731431558 , 6283603181
n×2
40431880
n×3
60647820
n×4
80863760
n×5
101079700
n÷2
10107970
n÷3
6738646.6666667
n÷3
5053985
n÷5
4043188
n2
408684230083600
n3
8.2619358743163E+21
n4
1.6702279991902E+29
n5
3.376522901795E+36
2 √n
4496.2139628803
3 √n
272.4151855677
4 √n
67.053813932396
5 √n
28.916038078981
1 , 2 , 4 , 5 , 10 , 20 , 1010797 , 2021594 , 4043188 , 5053985 , 10107970 , 20215940
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
-20215939
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 20215940 can be divided by 12 positive divisors.
The sum of these divisors (counting 20215940) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101000111100010000100
3
Ternary
1102001002001112
4
Quaternary
1031013202010
5
Quinary
20133402230
6
Senary
2001144152
8
Octal
115074204
10
Decimal
20215940
12
Duodecimal
692b058
16
Hexadecimal
1347884
20
Vigesimal
666jh0
36
Base36
c1apw
md5
464962d9b99725e64f88af753b278a09
sha1
8fd9d845e152190575ab83ea4fd23f3246f98676
sha256
acb7c84f63c41c179b477577ad74248fc74668fff69547c958a0e59ab823acba
sha512
23ee25054f8737e943e1045885a5bf6a366a53dc1d3f5c7cd70dd7ae155c2653b2c971a66a2c68d75a4895d70c02feb860197966714b85c116f9d24306f46210
ripemd-160
c4bb5f8825214f824189a467b4b678b0624ed64a
Diameter
40431880
Circumference
127020497.17882
Area
1.2839193748686E+15
Volume
3.4607516062909E+22
Surface area
5.1356774994746E+15
Circumference
127020497.17882
Perimeter
80863760
Area
408684230083600
Diagonal
28589656.524121
Surface area
2452105380501600
Volume
8.2619358743163E+21
Space diagonal
35015035.202764
Perimeter
60647820
Area
1.7696546268924E+14
Altitude
17507517.601382
Surface area
1.7696546268924E+14
Volume
9.7367848040957E+20
Height
9529885.5080402