21361237 is an odd 8-digits prime number following 21361236
and preceding 21361238 . In scientific notation, it is written as 2.1361237 × 10^7.
The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors.
There are 21361236 positive integers (up to 21361237) that are relatively prime to 21361237.
21361237 has 2 divisors, whose sum is 21361238
The reverse of 21361237 is 73216312
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 25 Digital Root 7
Name
twenty-one million three hundred sixty-one thousand two hundred thirty-seven
Scientific notation
2.1361237 × 10^7
Engineering notation
2.1361237 × 10^6
Prime Factorization
21361237
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
21361237 Product of the distinct prime numbers
The prime factorization of 21361237 is 21361237.
Since it has a total of 1 prime factors.
9 , 5 , 100 , 100 , 105 , 519 , 6112 , 2702 , 7026 , 14844 , 683218 , 40020 , 5281989 , 6174981 , 81432344 , 84299484 , 169178375 , 258328344 , 7530194975 , 3385395692
n×2
42722474
n×3
64083711
n×4
85444948
n×5
106806185
n÷2
10680618.5
n÷3
7120412.3333333
n÷3
5340309.25
n÷5
4272247.4
n2
456302446170169
n3
9.7471846963207E+21
n4
2.0821192238088E+29
n5
4.4476642202036E+36
2 √n4621.8218269423
3 √n277.46537781945
4 √n67.983982135076
5 √n29.236493211234
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
21361238 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
10680619 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
4621.8219351247 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999063725 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21361237 can be divided by 2 positive divisors.
The sum of these divisors (counting 21361237) is 21361238, the average is 10680619.
Base
System
Value
2
Binary
1010001011111001001010101
3
Ternary
1111012021002221
4
Quaternary
1101133021111
5
Quinary
20432024422
6
Senary
2041502341
8
Octal
121371125
10
Decimal
21361237
12
Duodecimal
71a19b1
16
Hexadecimal
145f255
20
Vigesimal
6da31h
36
Base36
cpufp
md5
a49415c7642279e2f2b47c03f3e81048
sha1
6806a3254c5cbfa13beb2a64991a91e29d6c9c13
sha256
ee58cfcafb83814b23f572a210745cec92cc9620acba40a60b91542f8954bab4
sha512
5f5d8522e46521935eb2d7b25bdab82f24003c04d6470969cab8602bf858e2d64237ee702e7dbb71a648ed0491da6926d78fd7abbce4aea51d459828e1952572
ripemd-160
f7eb4300af67d14ee4de9ac83012d6cc51bcc35c
Diameter
42722474
Circumference
134216610.46158
Area
1.4335164127033E+15
Volume
4.0828911780192E+22
Surface area
5.734065650813E+15
Circumference
134216610.46158
Perimeter
85444948
Area
456302446170169
Diagonal
30209351.074466
Surface area
2737814677021014
Volume
9.7471846963207E+21
Space diagonal
36998747.79652
Perimeter
64083711
Area
1.9758475509617E+14
Altitude
18499373.89826
Surface area
1.9758475509617E+14
Volume
1.1487167327077E+21
Height
10069783.691489