21821874 is an even 8-digits composite number following 21821873
and preceding 21821875 . In scientific notation, it is written as 2.1821874 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 7231568 positive integers (up to 21821874) that are relatively prime to 21821874.
21821874 has 16 divisors, whose sum is 43898112
The reverse of 21821874 is 47812812
Previous prime number is 173
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-one million eight hundred twenty-one thousand eight hundred seventy-four
Scientific notation
2.1821874 × 10^7
Engineering notation
2.1821874 × 10^6
Prime Factorization
2 × 3 × 173 × 21023
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21821874
Product of the distinct prime numbers
The prime factorization of 21821874 is 2 × 3 × 173 × 21023.
Since it has a total of 4 prime factors.
2 , 5 , 79 , 95 , 651 , 571 , 6455 , 4003 , 43328 , 24204 , 75330 , 410662 , 7264612 , 4361521 , 33244765 , 35375874 , 466379419 , 190289559 , 7208808539 , 1785964433
n×2
43643748
n×3
65465622
n×4
87287496
n×5
109109370
n÷2
10910937
n÷3
7273958
n÷3
5455468.5
n÷5
4364374.8
n2
476194184871876
n3
1.0391449501807E+22
n4
2.2676090170579E+29
n5
4.9483478251501E+36
2 √n
4671.3888727016
3 √n
279.4456463933
4 √n
68.347559376334
5 √n
29.361511494403
1 , 2 , 3 , 6 , 173 , 346 , 519 , 1038 , 21023 , 42046 , 63069 , 126138 , 3636979 , 7273958 , 10910937 , 21821874
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21821873
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21821874 can be divided by 16 positive divisors.
The sum of these divisors (counting 21821874) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010011001111100110110010
3
Ternary
1112001122222120
4
Quaternary
1103033212302
5
Quinary
21041244444
6
Senary
2055415110
8
Octal
123174662
10
Decimal
21821874
12
Duodecimal
7384496
16
Hexadecimal
14cf9b2
20
Vigesimal
6g7ede
36
Base36
czpv6
md5
c5383757c59727268ab8557e1d347c98
sha1
b7207f62ce40412d5ff3308bcd3a1f93df187665
sha256
68c5d6091623dc7dd06256e2d4d6564116d49445b036d7db69a6e9a78a9b92f6
sha512
d2196ea3d51ba0e0f2a8b8cfc8c28fc753224117336560b563ad256e48ee58143e2cc9ce9ea6db2189a2e00545fff3930b19eca45d7f6554e33909b52b0abbf2
ripemd-160
32de2e3896c7e6aa4a34c74796fa51734806c39b
Diameter
43643748
Circumference
137110878.09192
Area
1.4960081528757E+15
Volume
4.3527601886701E+22
Surface area
5.9840326115027E+15
Circumference
137110878.09192
Perimeter
87287496
Area
476194184871876
Diagonal
30860790.167197
Surface area
2857165109231256
Volume
1.0391449501807E+22
Space diagonal
37796594.484366
Perimeter
65465622
Area
2.0619813061673E+14
Altitude
18898297.242183
Surface area
2.0619813061673E+14
Volume
1.2246440681809E+21
Height
10286930.055732