21742020 is an even 8-digits composite number following 21742019
and preceding 21742021 . In scientific notation, it is written as 2.1742020 × 10^7.
The sum of its digits is 18. It has a total of 5 prime factors and 24 positive divisors.
There are 5797440 positive integers (up to 21742020) that are relatively prime to 21742020.
21742020 has 24 divisors, whose sum is 43218840
The reverse of 21742020 is 02024712
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty-one million seven hundred forty-two thousand twenty
Scientific notation
2.1742020 × 10^7
Engineering notation
2.1742020 × 10^6
Prime Factorization
2 × 2 × 45 × 9 × 13421
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10871010
Product of the distinct prime numbers
The prime factorization of 21742020 is 2 × 2 × 45 × 9 × 13421.
Since it has a total of 5 prime factors.
3 , 8 , 12 , 68 , 651 , 815 , 8212 , 6606 , 14204 , 88824 , 228900 , 454361 , 5169168 , 7643 , 35806626 , 38939349 , 597243752 , 336489078 , 8511673573 , 8305130627
n×2
43484040
n×3
65226060
n×4
86968080
n×5
108710100
n÷2
10871010
n÷3
7247340
n÷3
5435505
n÷5
4348404
n2
472715433680400
n3
1.0277788413388E+22
n4
2.2345988123965E+29
n5
4.8584692071101E+36
2 √n
4662.833902253
3 √n
279.10436608824
4 √n
68.284946380978
5 √n
29.339991127879
1 , 2 , 4 , 9 , 18 , 36 , 45 , 90 , 180 , 405 , 810 , 1620 , 13421 , 26842 , 53684 , 120789 , 241578 , 483156 , 603945 , 1207890 , 2415780 , 5435505 , 10871010 , 21742020
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
-21742019
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 21742020 can be divided by 24 positive divisors.
The sum of these divisors (counting 21742020) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010010111100000111000100
3
Ternary
1111220121110000
4
Quaternary
1102330013010
5
Quinary
21031221040
6
Senary
2054001300
8
Octal
122740704
10
Decimal
21742020
12
Duodecimal
7346230
16
Hexadecimal
14bc1c4
20
Vigesimal
6fhf10
36
Base36
cy090
md5
e837d48237ce8e6735b544eed9f93ae8
sha1
95be14244c2ab90c38ec32550a5a58f7d73851e3
sha256
f357033b2e1be97604ce5149f026ba17d87d232134b664d337037aeca6e9ba16
sha512
9a9d4bf298dd2263827d2a1076ff94aa7519cfaa783ad8bea68aaa57e31c15c9e154a361568ffe6f1dfe3c53e1f5fb178cc04fcf53eda15b26b998a9173f9e2c
ripemd-160
5badd7af793cc8dc1e1e288dba0554ffb7f9bbb7
Diameter
43484040
Circumference
136609140.6124
Area
1.4850793336889E+15
Volume
4.3051499432866E+22
Surface area
5.9403173347554E+15
Circumference
136609140.6124
Perimeter
86968080
Area
472715433680400
Diagonal
30747859.557387
Surface area
2836292602082400
Volume
1.0277788413388E+22
Space diagonal
37658283.299179
Perimeter
65226060
Area
2.046917871641E+14
Altitude
18829141.649589
Surface area
2.046917871641E+14
Volume
1.2112489804512E+21
Height
10249286.519129