21866021 is an odd 8-digits prime number following 21866020
and preceding 21866022 . In scientific notation, it is written as 2.1866021 × 10^7.
The sum of its digits is 26. It has a total of 1 prime factors and 2 positive divisors.
There are 21866020 positive integers (up to 21866021) that are relatively prime to 21866021.
21866021 has 2 divisors, whose sum is 21866022
The reverse of 21866021 is 12066812
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million eight hundred sixty-six thousand twenty-one
Scientific notation
2.1866021 × 10^7
Engineering notation
2.1866021 × 10^6
Prime Factorization
21866021
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21866021
Product of the distinct prime numbers
The prime factorization of 21866021 is 21866021.
Since it has a total of 1 prime factors.
9 , 9 , 35 , 48 , 200 , 292 , 1521 , 9071 , 40726 , 31995 , 17848 , 354648 , 5621735 , 4256291 , 42791279 , 78611132 , 658040326 , 243130599 , 1550028157 , 4794036486
n×2
43732042
n×3
65598063
n×4
87464084
n×5
109330105
n÷2
10933010.5
n÷3
7288673.6666667
n÷3
5466505.25
n÷5
4373204.2
n2
478122874372441
n3
1.0454644811608E+22
n4
2.2860148299817E+29
n5
4.998604827869E+36
2 √n
4676.111739469
3 √n
279.63396472922
4 √n
68.382101016779
5 √n
29.373381922983
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21866022
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10933011
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4676.1118463955
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999085339
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21866021 can be divided by 2 positive divisors.
The sum of these divisors (counting 21866021) is 21866022, the average is 10933011.
Base
System
Value
2
Binary
1010011011010011000100101
3
Ternary
1112010220112122
4
Quaternary
1103122120211
5
Quinary
21044203041
6
Senary
2100355325
8
Octal
123323045
10
Decimal
21866021
12
Duodecimal
73a5b45
16
Hexadecimal
14da625
20
Vigesimal
6gd511
36
Base36
d0nxh
md5
23422dd603b8a761f016bf65a4936c61
sha1
961756b1c2a9554ff61946e586a900a43ce12456
sha256
17baeb2ae94b9b71e05e55639a0376aaab73e97c9f6f55029e9b17e6ea956fd0
sha512
f0ee8838649bf8361a0248ad4d2ed26b5ade02b88e9858ba066f3292eabaf89470c89bd59d88f55e5e21e8e260c862f71c120ddaca6bcd19b2248028376823a5
ripemd-160
c56b771e062b0080e0d3d286cb9e1b7c2c96060f
Diameter
43732042
Circumference
137388261.87368
Area
1.5020673096417E+15
Volume
4.3792313781385E+22
Surface area
6.0082692385668E+15
Circumference
137388261.87368
Perimeter
87464084
Area
478122874372441
Diagonal
30923223.453335
Surface area
2868737246234646
Volume
1.0454644811608E+22
Space diagonal
37873059.331368
Perimeter
65598063
Area
2.0703327766848E+14
Altitude
18936529.665684
Surface area
2.0703327766848E+14
Volume
1.2320917068641E+21
Height
10307741.151112