21542020 is an even 8-digits composite number following 21542019
and preceding 21542021 . In scientific notation, it is written as 2.1542020 × 10^7.
The sum of its digits is 16. It has a total of 4 prime factors and 12 positive divisors.
There are 8616800 positive integers (up to 21542020) that are relatively prime to 21542020.
21542020 has 12 divisors, whose sum is 45238284
The reverse of 21542020 is 02024512
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 16
Digital Root 7
Name
twenty-one million five hundred forty-two thousand twenty
Scientific notation
2.1542020 × 10^7
Engineering notation
2.1542020 × 10^6
Prime Factorization
2 × 2 × 5 × 1077101
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10771010
Product of the distinct prime numbers
The prime factorization of 21542020 is 2 × 2 × 5 × 1077101.
Since it has a total of 4 prime factors.
7 , 10 , 1 , 44 , 331 , 759 , 5984 , 6325 , 72248 , 20267 , 717157 , 986375 , 1002996 , 1986568 , 5200164 , 70386371 , 301924618 , 140387313 , 5401849465 , 9993616549
n×2
43084040
n×3
64626060
n×4
86168080
n×5
107710100
n÷2
10771010
n÷3
7180673.3333333
n÷3
5385505
n÷5
4308404
n2
464058625680400
n3
9.9967601955797E+21
n4
2.1535040806838E+29
n5
4.6390827976172E+36
2 √n
4641.338169106
3 √n
278.24592216895
4 √n
68.127367255061
5 √n
29.285813001556
1 , 2 , 4 , 5 , 10 , 20 , 1077101 , 2154202 , 4308404 , 5385505 , 10771010 , 21542020
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
-21542019
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 21542020 can be divided by 12 positive divisors.
The sum of these divisors (counting 21542020) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010010001011010010000100
3
Ternary
1111112110002121
4
Quaternary
1102023102010
5
Quinary
21003321040
6
Senary
2045415324
8
Octal
122132204
10
Decimal
21542020
12
Duodecimal
726a544
16
Hexadecimal
148b484
20
Vigesimal
6ecf10
36
Base36
ctpxg
md5
1433c75c6224cd662a2386ac8dd02481
sha1
9a7e09b9ddc4ec1fedb5c8dc9137030f59ae1065
sha256
11e267551597b51f33f51055fe354552e3e4f4c8f295625c4e526143942e0140
sha512
c85d423442cdb18e5323251ca82efbeb8575901d0eb1578011a2febe4f895d6796643014d57664a53f24b9481af7749bbb1dba0a7dd4456bde798764bdaedfb7
ripemd-160
359bf96d5f9c34ff8902718a34d0d077d33f113a
Diameter
43084040
Circumference
135352503.55097
Area
1.4578831692725E+15
Volume
4.1874331186843E+22
Surface area
5.8315326770901E+15
Circumference
135352503.55097
Perimeter
86168080
Area
464058625680400
Diagonal
30465016.844912
Surface area
2784351754082400
Volume
9.9967601955797E+21
Space diagonal
37311873.137665
Perimeter
64626060
Area
2.0094327934226E+14
Altitude
18655936.568832
Surface area
2.0094327934226E+14
Volume
1.178129487365E+21
Height
10155005.614971