21874423 is an odd 8-digits composite number following 21874422
and preceding 21874424 . In scientific notation, it is written as 2.1874423 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 21839968 positive integers (up to 21874423) that are relatively prime to 21874423.
21874423 has 4 divisors, whose sum is 21908880
The reverse of 21874423 is 32447812
Previous prime number is 647
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million eight hundred seventy-four thousand four hundred twenty-three
Scientific notation
2.1874423 × 10^7
Engineering notation
2.1874423 × 10^6
Prime Factorization
647 × 33809
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21874423
Product of the distinct prime numbers
The prime factorization of 21874423 is 647 × 33809.
Since it has a total of 2 prime factors.
7 , 7 , 72 , 14 , 234 , 945 , 3635 , 9258 , 39613 , 4328 , 723417 , 601900 , 436018 , 4780085 , 12157898 , 69241968 , 643177040 , 20034138 , 13102748 , 8339675593
n×2
43748846
n×3
65623269
n×4
87497692
n×5
109372115
n÷2
10937211.5
n÷3
7291474.3333333
n÷3
5468605.75
n÷5
4374884.6
n2
478490381582929
n3
1.0466701008176E+22
n4
2.2895304526738E+29
n5
5.0082157593168E+36
2 √n
4677.010049166
3 √n
279.66977651389
4 √n
68.388669011511
5 √n
29.375638915522
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
-21874422
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 21874423 can be divided by 4 positive divisors.
The sum of these divisors (counting 21874423) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010011011100011011110111
3
Ternary
1112011100001211
4
Quaternary
1103130123313
5
Quinary
21044440143
6
Senary
2100502251
8
Octal
123343367
10
Decimal
21874423
12
Duodecimal
73aa987
16
Hexadecimal
14dc6f7
20
Vigesimal
6ge613
36
Base36
d0uev
md5
6870d45becc437ada16bb65728107cca
sha1
66ca15e46cb4fa2148f977e445e53391c6a15309
sha256
de34ebc5f47b32cf4899656e50dddf2a17ca282b11cb72d3406d9778efe62066
sha512
fbf973a8b4ccc3de388df947e203042442ec16bb7d0495874072374346e85fe07f8f1d327815528d83ccd76faff730230780b83f9d67e5febf69c518a0f68770
ripemd-160
4b80cf2a40dfb9a3c649fbba20b1fe2ea8a304b3
Diameter
43748846
Circumference
137441053.19663
Area
1.5032218675943E+15
Volume
4.3842814659477E+22
Surface area
6.0128874703772E+15
Circumference
137441053.19663
Perimeter
87497692
Area
478490381582929
Diagonal
30935105.675686
Surface area
2870942289497574
Volume
1.0466701008176E+22
Space diagonal
37887612.022253
Perimeter
65623269
Area
2.0719241295866E+14
Altitude
18943806.011127
Surface area
2.0719241295866E+14
Volume
1.2335125432556E+21
Height
10311701.891895