21361252 is an even 8-digits composite number following 21361251
and preceding 21361253 . In scientific notation, it is written as 2.1361252 × 10^7.
The sum of its digits is 22. It has a total of 5 prime factors and 24 positive divisors.
There are 9677760 positive integers (up to 21361252) that are relatively prime to 21361252.
21361252 has 24 divisors, whose sum is 40914720
The reverse of 21361252 is 25216312
Previous prime number is 409
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty-one million three hundred sixty-one thousand two hundred fifty-two
Scientific notation
2.1361252 × 10^7
Engineering notation
2.1361252 × 10^6
Prime Factorization
2 × 2 × 11 × 409 × 1187
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10680626
Product of the distinct prime numbers
The prime factorization of 21361252 is 2 × 2 × 11 × 409 × 1187.
Since it has a total of 5 prime factors.
9 , 5 , 84 , 68 , 640 , 782 , 851 , 2703 , 54846 , 37376 , 45503 , 690554 , 6138565 , 8366653 , 38159538 , 4833251 , 934152628 , 65945921 , 3552582189 , 5218321424
n×2
42722504
n×3
64083756
n×4
85445008
n×5
106806260
n÷2
10680626
n÷3
7120417.3333333
n÷3
5340313
n÷5
4272250.4
n2
456303087007504
n3
9.7472052299452E+21
n4
2.0821250721258E+29
n5
4.4476798361197E+36
2 √n
4621.8234496787
3 √n
277.46544276544
4 √n
67.983994069771
5 √n
29.236497317244
1 , 2 , 4 , 11 , 22 , 44 , 409 , 818 , 1187 , 1636 , 2374 , 4499 , 4748 , 8998 , 13057 , 17996 , 26114 , 52228 , 485483 , 970966 , 1941932 , 5340313 , 10680626 , 21361252
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21361251
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21361252 can be divided by 24 positive divisors.
The sum of these divisors (counting 21361252) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010001011111001001100100
3
Ternary
1111012021010111
4
Quaternary
1101133021210
5
Quinary
20432030002
6
Senary
2041502404
8
Octal
121371144
10
Decimal
21361252
12
Duodecimal
71a1a04
16
Hexadecimal
145f264
20
Vigesimal
6da32c
36
Base36
cpug4
md5
2609039855fe4e4b52c04a622581b8dd
sha1
c41dfa2a0ec477602794774fd891c57529c3d320
sha256
b699254f6ecf52442bf9820755683e28bfdf8aa8589113b9eed659d777895768
sha512
56e493dd915dbcd2a2b691e9d3d581a67358f43258115484853d11be7ec5383937e2f711eca4d91b10028c8539a9031c10d53058227630130638473ac8cc6cd2
ripemd-160
3b5cb1807c908b8e062a462cd74d529aaea1bf7e
Diameter
42722504
Circumference
134216704.70936
Area
1.4335184259531E+15
Volume
4.0828997791237E+22
Surface area
5.7340737038125E+15
Circumference
134216704.70936
Perimeter
85445008
Area
456303087007504
Diagonal
30209372.287669
Surface area
2737818522045024
Volume
9.7472052299452E+21
Space diagonal
36998773.777282
Perimeter
64083756
Area
1.9758503258688E+14
Altitude
18499386.888641
Surface area
1.9758503258688E+14
Volume
1.1487191526185E+21
Height
10069790.762556