21068237 is an odd 8-digits composite number following 21068236
and preceding 21068238 . In scientific notation, it is written as 2.1068237 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 20578236 positive integers (up to 21068237) that are relatively prime to 21068237.
21068237 has 4 divisors, whose sum is 21558240
The reverse of 21068237 is 73286012
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million sixty-eight thousand two hundred thirty-seven
Scientific notation
2.1068237 × 10^7
Engineering notation
2.1068237 × 10^6
Prime Factorization
43 × 489959
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21068237
Product of the distinct prime numbers
The prime factorization of 21068237 is 43 × 489959.
Since it has a total of 2 prime factors.
10 , 3 , 24 , 47 , 446 , 977 , 9611 , 7205 , 98536 , 31156 , 933632 , 112564 , 3962059 , 2961827 , 33229768 , 53851445 , 917487365 , 835948455 , 9176107391 , 1538264359
n×2
42136474
n×3
63204711
n×4
84272948
n×5
105341185
n÷2
10534118.5
n÷3
7022745.6666667
n÷3
5267059.25
n÷5
4213647.4
n2
443870610288169
n3
9.3515712148858E+21
n4
1.9702111867759E+29
n5
4.1508876223046E+36
2 √n
4590.014923723
3 √n
276.19092107633
4 √n
67.749648882655
5 √n
29.155845422355
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
-21068236
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 21068237 can be divided by 4 positive divisors.
The sum of these divisors (counting 21068237) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000010111100111001101
3
Ternary
1110122101012002
4
Quaternary
1100113213031
5
Quinary
20343140422
6
Senary
2031322045
8
Octal
120274715
10
Decimal
21068237
12
Duodecimal
7080325
16
Hexadecimal
14179cd
20
Vigesimal
6bdabh
36
Base36
cjkct
md5
92c4a1ddf44e2042d633f8071f300494
sha1
0be4b0f067861ab4b47aacc6f17c80bd1226e64c
sha256
436c00bc96df06432fa7a2bc0a74c990bd18128c810fe88579fddd16210b6cea
sha512
406def3620b32af9662cfc61833db5c07388b7603d40e8b36e3254a831a7e5e971336b21aed08c631968641a12f3a8e3eb25041bd60afbc877d9ac08681a2988
ripemd-160
634174ffa8446f8ee5eb1e1e657d689426b7d153
Diameter
42136474
Circumference
132375637.16658
Area
1.3944606484257E+15
Volume
3.9171769904276E+22
Surface area
5.5778425937029E+15
Circumference
132375637.16658
Perimeter
84272948
Area
443870610288169
Diagonal
29794986.500691
Surface area
2663223661729014
Volume
9.3515712148858E+21
Space diagonal
36491256.909902
Perimeter
63204711
Area
1.9220161225143E+14
Altitude
18245628.454951
Surface area
1.9220161225143E+14
Volume
1.1020932367991E+21
Height
9931662.1668969