21542231 is an odd 8-digits prime number following 21542230
and preceding 21542232 . In scientific notation, it is written as 2.1542231 × 10^7.
The sum of its digits is 20. It has a total of 1 prime factors and 2 positive divisors.
There are 21542230 positive integers (up to 21542231) that are relatively prime to 21542231.
21542231 has 2 divisors, whose sum is 21542232
The reverse of 21542231 is 13224512
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty-one million five hundred forty-two thousand two hundred thirty-one
Scientific notation
2.1542231 × 10^7
Engineering notation
2.1542231 × 10^6
Prime Factorization
21542231
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21542231
Product of the distinct prime numbers
The prime factorization of 21542231 is 21542231.
Since it has a total of 1 prime factors.
3 , 9 , 56 , 90 , 26 , 627 , 9096 , 2924 , 10766 , 69692 , 968277 , 677278 , 9412176 , 8163473 , 72988368 , 39034790 , 977671672 , 246530303 , 3158349867 , 5845155157
n×2
43084462
n×3
64626693
n×4
86168924
n×5
107711155
n÷2
10771115.5
n÷3
7180743.6666667
n÷3
5385557.75
n÷5
4308446.2
n2
464067716457361
n3
9.997053947567E+21
n4
2.1535884545795E+29
n5
4.6393099967485E+36
2 √n
4641.3608995638
3 √n
278.24683062132
4 √n
68.127534078108
5 √n
29.285870371128
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21542232
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10771116
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4641.3610072909
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999071591
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21542231 can be divided by 2 positive divisors.
The sum of these divisors (counting 21542231) is 21542232, the average is 10771116.
Base
System
Value
2
Binary
1010010001011010101010111
3
Ternary
1111112110101102
4
Quaternary
1102023111113
5
Quinary
21003322411
6
Senary
2045420315
8
Octal
122132527
10
Decimal
21542231
12
Duodecimal
726a69b
16
Hexadecimal
148b557
20
Vigesimal
6ecfbb
36
Base36
ctq3b
md5
7121330664ba658682043574b207027c
sha1
89a8ed8dbf2777cbe5d4e6d36bfccbd5fe78d8ae
sha256
0e2a8a4ee30498d91edab74122300982f06bf9edf17dff37dd78899de5b44f26
sha512
1c2bc2cc6c4664e9a5dddbce4f88ce0918183cecb802313912cf04e16d9f5f2b47e8d8d38b3884e5f7fdfac2316b0d8318f729a6494bbb7365157d3bffed83dc
ripemd-160
9cd4c61b85f8fa251b820a943457ecb863811ae0
Diameter
43084462
Circumference
135353829.30307
Area
1.4579117287906E+15
Volume
4.187556165229E+22
Surface area
5.8316469151625E+15
Circumference
135353829.30307
Perimeter
86168924
Area
464067716457361
Diagonal
30465315.243974
Surface area
2784406298744166
Volume
9.997053947567E+21
Space diagonal
37312238.600385
Perimeter
64626693
Area
2.0094721576415E+14
Altitude
18656119.300193
Surface area
2.0094721576415E+14
Volume
1.1781641063687E+21
Height
10155105.081325