20742021 is an odd 8-digits composite number following 20742020
and preceding 20742022 . In scientific notation, it is written as 2.0742021 × 10^7.
The sum of its digits is 18. It has a total of 5 prime factors and 24 positive divisors.
There are 13072752 positive integers (up to 20742021) that are relatively prime to 20742021.
20742021 has 24 divisors, whose sum is 30750720
The reverse of 20742021 is 12024702
Previous prime number is 263
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty million seven hundred forty-two thousand twenty-one
Scientific notation
2.0742021 × 10^7
Engineering notation
2.0742021 × 10^6
Prime Factorization
3 × 3 × 69 × 263 × 127
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
6914007
Product of the distinct prime numbers
The prime factorization of 20742021 is 3 × 3 × 69 × 263 × 127.
Since it has a total of 5 prime factors.
5 , 3 , 93 , 57 , 979 , 324 , 172 , 1278 , 14686 , 35423 , 535764 , 110009 , 6316563 , 8642872 , 67954585 , 96399491 , 38100445 , 104729701 , 5195699602 , 5405346047
n×2
41484042
n×3
62226063
n×4
82968084
n×5
103710105
n÷2
10371010.5
n÷3
6914007
n÷3
5185505.25
n÷5
4148404.2
n2
430231435164441
n3
8.923869463041E+21
n4
1.8509908780365E+29
n5
3.8393291663042E+36
2 √n
4554.3408963318
3 √n
274.75800639747
4 √n
67.485857009686
5 √n
29.064992412892
1 , 3 , 9 , 69 , 127 , 207 , 263 , 381 , 621 , 789 , 1143 , 2367 , 8763 , 18147 , 26289 , 33401 , 54441 , 78867 , 100203 , 163323 , 300609 , 2304669 , 6914007 , 20742021
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20742020
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20742021 can be divided by 24 positive divisors.
The sum of these divisors (counting 20742021) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001111000111111110000101
3
Ternary
1110000210201000
4
Quaternary
1033013332011
5
Quinary
20302221041
6
Senary
2020323513
8
Octal
117077605
10
Decimal
20742021
12
Duodecimal
6b43599
16
Hexadecimal
13c7f85
20
Vigesimal
69cf11
36
Base36
cckn9
md5
4d0c3858453b1597bc5eabaee5d76e3d
sha1
29c4f65b8a76ff65613907c950463007f0bbb271
sha256
133ddde08edb995a5adcaade5608c4cccea311fcb2f68e4748f837e97b1c41b2
sha512
d2f5e359073b5a1b0f8b2e90ca864758b7f2c88dc5cc8b314a1405e6a89c3199afc085481e228942283b2c74b735ce96a075835253dc1ea9007ff549de86e301
ripemd-160
18546a710dc3f54e2448f84fcb4c8d8b464f2950
Diameter
41484042
Circumference
130325961.58841
Area
1.351611916056E+15
Volume
3.7380216995578E+22
Surface area
5.406447664224E+15
Circumference
130325961.58841
Perimeter
82968084
Area
430231435164441
Diagonal
29333647.409228
Surface area
2581388610986646
Volume
8.923869463041E+21
Space diagonal
35926234.223661
Perimeter
62226063
Area
1.8629567617952E+14
Altitude
17963117.11183
Surface area
1.8629567617952E+14
Volume
1.0516881019566E+21
Height
9777882.4697425