21542284 is an even 8-digits composite number following 21542283
and preceding 21542285 . In scientific notation, it is written as 2.1542284 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors.
There are 10702224 positive integers (up to 21542284) that are relatively prime to 21542284.
21542284 has 12 divisors, whose sum is 37940224
The reverse of 21542284 is 48224512
Previous prime number is 157
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million five hundred forty-two thousand two hundred eighty-four
Scientific notation
2.1542284 × 10^7
Engineering notation
2.1542284 × 10^6
Prime Factorization
2 × 2 × 157 × 34303
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10771142
Product of the distinct prime numbers
The prime factorization of 21542284 is 2 × 2 × 157 × 34303.
Since it has a total of 4 prime factors.
1 , 5 , 38 , 69 , 452 , 6 , 5352 , 209 , 75736 , 8107 , 797615 , 432075 , 6772237 , 894911 , 8417607 , 25695447 , 575845857 , 298259268 , 8873176685 , 2936239091
n×2
43084568
n×3
64626852
n×4
86169136
n×5
107711420
n÷2
10771142
n÷3
7180761.3333333
n÷3
5385571
n÷5
4308456.8
n2
464069999936656
n3
9.9971277345154E+21
n4
2.1536096484121E+29
n5
4.6393670671233E+36
2 √n
4641.3666090926
3 √n
278.24705880985
4 √n
68.127575981335
5 √n
29.285884781424
1 , 2 , 4 , 157 , 314 , 628 , 34303 , 68606 , 137212 , 5385571 , 10771142 , 21542284
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
-21542283
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 21542284 can be divided by 12 positive divisors.
The sum of these divisors (counting 21542284) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010010001011010110001100
3
Ternary
1111112110110101
4
Quaternary
1102023112030
5
Quinary
21003323114
6
Senary
2045420444
8
Octal
122132614
10
Decimal
21542284
12
Duodecimal
726a724
16
Hexadecimal
148b58c
20
Vigesimal
6ecfe4
36
Base36
ctq4s
md5
7bde1d6f3d887ebbf36ea0cb882633d1
sha1
66ce85027b37ad748d60ca0062a55f4c589876b1
sha256
8015f5e1d99eff0c45c9a981e2f68cfaad0265dda7dd40db8bd623823e68704d
sha512
2e0065543f42f55ad9d5d1f035efa7fc88a5b7b30bf97dcfa3c6c552f5421e907e7346f5199e168bf8fb9306acb37044d9816722c2f5cbd37a86ddb19a2968e5
ripemd-160
796e4c9820559a6f2127b7a0c1acb6ba7138af90
Diameter
43084568
Circumference
135354162.31189
Area
1.4579189025524E+15
Volume
4.1875870730337E+22
Surface area
5.8316756102097E+15
Circumference
135354162.31189
Perimeter
86169136
Area
464069999936656
Diagonal
30465390.197293
Surface area
2784419999619936
Volume
9.9971277345154E+21
Space diagonal
37312330.399078
Perimeter
64626852
Area
2.0094820453969E+14
Altitude
18656165.199539
Surface area
2.0094820453969E+14
Volume
1.178172802244E+21
Height
10155130.065764