21539963 is an odd 8-digits composite number following 21539962
and preceding 21539964 . In scientific notation, it is written as 2.1539963 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 21457800 positive integers (up to 21539963) that are relatively prime to 21539963.
21539963 has 4 divisors, whose sum is 21622128
The reverse of 21539963 is 36993512
Previous prime number is 263
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-one million five hundred thirty-nine thousand nine hundred sixty-three
Scientific notation
2.1539963 × 10^7
Engineering notation
2.1539963 × 10^6
Prime Factorization
263 × 81901
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21539963
Product of the distinct prime numbers
The prime factorization of 21539963 is 263 × 81901.
Since it has a total of 2 prime factors.
2 , 2 , 1 , 51 , 624 , 360 , 3851 , 76 , 65215 , 22316 , 261954 , 878595 , 7073881 , 9091518 , 50684313 , 95541805 , 595852556 , 476305577 , 7805863273 , 2201186674
n×2
43079926
n×3
64619889
n×4
86159852
n×5
107699815
n÷2
10769981.5
n÷3
7179987.6666667
n÷3
5384990.75
n÷5
4307992.6
n2
463970006041369
n3
9.9938967632409E+21
n4
2.1526816650603E+29
n5
4.6368683416177E+36
2 √n
4641.1165682409
3 √n
278.2370655238
4 √n
68.125740863795
5 √n
29.285253692649
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21539962
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21539963 can be divided by 4 positive divisors.
The sum of these divisors (counting 21539963) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010001010110001111011
3
Ternary
1111112100021102
4
Quaternary
1102022301323
5
Quinary
21003234323
6
Senary
2045402015
8
Octal
122126173
10
Decimal
21539963
12
Duodecimal
726930b
16
Hexadecimal
148ac7b
20
Vigesimal
6ec9i3
36
Base36
ctocb
md5
ae90699786a56e305a088003420eb436
sha1
ece739ca4a9897b724a7da5c8b4425a90163b025
sha256
d57790bfa9cd1126146a74e8cbe4845d5a86a103497b5ce5db75d0b4df0f91f0
sha512
f417cc853dc7941b5b0188920152ca55d00a4dbab30e98036ca1cfa264f404f44bc41a1095263dfc68690b3af648c87573bcf782e5108c4f18513fff86cefa5f
ripemd-160
80bd785bcb8627b362f27a71e49954cd08db681a
Diameter
43079926
Circumference
135339579.03879
Area
1.4576047624656E+15
Volume
4.186233686951E+22
Surface area
5.8304190498623E+15
Circumference
135339579.03879
Perimeter
86159852
Area
463970006041369
Diagonal
30462107.807615
Surface area
2783820036248214
Volume
9.9938967632409E+21
Space diagonal
37308310.309154
Perimeter
64619889
Area
2.0090490591292E+14
Altitude
18654155.154577
Surface area
2.0090490591292E+14
Volume
1.1777920286277E+21
Height
10154035.935872