21874439 is an odd 8-digits composite number following 21874438
and preceding 21874440 . In scientific notation, it is written as 2.1874439 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 21067200 positive integers (up to 21874439) that are relatively prime to 21874439.
21874439 has 8 divisors, whose sum is 22685520
The reverse of 21874439 is 93447812
Previous prime number is 571
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-one million eight hundred seventy-four thousand four hundred thirty-nine
Scientific notation
2.1874439 × 10^7
Engineering notation
2.1874439 × 10^6
Prime Factorization
29 × 571 × 1321
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21874439
Product of the distinct prime numbers
The prime factorization of 21874439 is 29 × 571 × 1321.
Since it has a total of 3 prime factors.
2 , 4 , 78 , 24 , 105 , 33 , 9435 , 5728 , 21844 , 45283 , 373169 , 974516 , 1718844 , 1138198 , 30708499 , 39730563 , 895291753 , 456903600 , 6873492274 , 1879906486
n×2
43748878
n×3
65623317
n×4
87497756
n×5
109372195
n÷2
10937219.5
n÷3
7291479.6666667
n÷3
5468609.75
n÷5
4374887.8
n2
478491081564721
n3
1.0466723975732E+22
n4
2.2895371513698E+29
n5
5.0082340755872E+36
2 √n
4677.0117596602
3 √n
279.66984470183
4 √n
68.388681517194
5 √n
29.375643212871
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21874438
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21874439 can be divided by 8 positive divisors.
The sum of these divisors (counting 21874439) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010011011100011100000111
3
Ternary
1112011100002102
4
Quaternary
1103130130013
5
Quinary
21044440224
6
Senary
2100502315
8
Octal
123343407
10
Decimal
21874439
12
Duodecimal
73aa99b
16
Hexadecimal
14dc707
20
Vigesimal
6ge61j
36
Base36
d0ufb
md5
2ae97cdf4386548033463cb5cd3337b3
sha1
c6697134f5c5927e046266a191bca504469e1003
sha256
88b4ac45bbb9a94ccf207a875d02b3aae8aa61926a12f79661c700d06229c5c6
sha512
1ada0eaf408b5feb985eb9aa847596c58dced01f0730702fd03592c009dee14192362b608cc6b9ffaf1011097bb4e6dc363365f4c1e1bb4650967e0711f7f995
ripemd-160
a6f725442cf4f9836ab8ae0c1f5f2aea21c4dfda
Diameter
43748878
Circumference
137441153.7276
Area
1.503224066652E+15
Volume
4.3842910865747E+22
Surface area
6.0128962666078E+15
Circumference
137441153.7276
Perimeter
87497756
Area
478491081564721
Diagonal
30935128.303103
Surface area
2870946489388326
Volume
1.0466723975732E+22
Space diagonal
37887639.735066
Perimeter
65623317
Area
2.0719271605967E+14
Altitude
18943819.867533
Surface area
2.0719271605967E+14
Volume
1.2335152500079E+21
Height
10311709.434368