21531623 is an odd 8-digits prime number following 21531622
and preceding 21531624 . In scientific notation, it is written as 2.1531623 × 10^7.
The sum of its digits is 23. It has a total of 1 prime factors and 2 positive divisors.
There are 21531622 positive integers (up to 21531623) that are relatively prime to 21531623.
21531623 has 2 divisors, whose sum is 21531624
The reverse of 21531623 is 32613512
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty-one million five hundred thirty-one thousand six hundred twenty-three
Scientific notation
2.1531623 × 10^7
Engineering notation
2.1531623 × 10^6
Prime Factorization
21531623
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21531623
Product of the distinct prime numbers
The prime factorization of 21531623 is 21531623.
Since it has a total of 1 prime factors.
1 , 7 , 89 , 57 , 549 , 242 , 8418 , 9161 , 78390 , 94939 , 410990 , 444394 , 8092663 , 2202003 , 78810491 , 58280893 , 952913467 , 918966976 , 2374554634 , 6622667920
n×2
43063246
n×3
64594869
n×4
86126492
n×5
107658115
n÷2
10765811.5
n÷3
7177207.6666667
n÷3
5382905.75
n÷5
4306324.6
n2
463610789014129
n3
9.9822927277848E+21
n4
2.149349636903E+29
n5
4.6278986076983E+36
2 √n
4640.217990569
3 √n
278.20115093596
4 √n
68.119145550785
5 √n
29.282985565716
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21531624
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10765812
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4640.2180983225
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999071134
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21531623 can be divided by 2 positive divisors.
The sum of these divisors (counting 21531623) is 21531624, the average is 10765812.
Base
System
Value
2
Binary
1010010001000101111100111
3
Ternary
1111111220211112
4
Quaternary
1102020233213
5
Quinary
21003002443
6
Senary
2045255235
8
Octal
122105747
10
Decimal
21531623
12
Duodecimal
726451b
16
Hexadecimal
1488be7
20
Vigesimal
6eb913
36
Base36
cthwn
md5
731e8a3dc1d61fa6621701f4e8befd06
sha1
0c96ff85e17c44edf44c19150dbca537d1ffaa43
sha256
ef52fa7418fe3384972464c3f838454ef1692f7bb0a65f0b3b6f31b3bfd85365
sha512
c77c47c5d1ca53c3baaaf6590d18f6e7e40615cdd32241deb89833034a495820ef575af58b47374d93f38ab66f655526a54147739c303955ffd2d0b554f896c6
ripemd-160
5a32097900a553bec5fa2363c76805cdf591fa81
Diameter
43063246
Circumference
135287177.27333
Area
1.4564762488918E+15
Volume
4.1813729999455E+22
Surface area
5.825904995567E+15
Circumference
135287177.27333
Perimeter
86126492
Area
463610789014129
Diagonal
30450313.266504
Surface area
2781664734084774
Volume
9.9822927277848E+21
Space diagonal
37293865.005419
Perimeter
64594869
Area
2.0074936037739E+14
Altitude
18646932.502709
Surface area
2.0074936037739E+14
Volume
1.1764244799343E+21
Height
10150104.422168