21444087 is an odd 8-digits composite number following 21444086
and preceding 21444088 . In scientific notation, it is written as 2.1444087 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 12070080 positive integers (up to 21444087) that are relatively prime to 21444087.
21444087 has 16 divisors, whose sum is 33166592
The reverse of 21444087 is 78044412
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million four hundred forty-four thousand eighty-seven
Scientific notation
2.1444087 × 10^7
Engineering notation
2.1444087 × 10^6
Prime Factorization
3 × 7 × 67 × 15241
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21444087
Product of the distinct prime numbers
The prime factorization of 21444087 is 3 × 7 × 67 × 15241.
Since it has a total of 4 prime factors.
7 , 7 , 95 , 91 , 35 , 18 , 2367 , 6350 , 89632 , 69793 , 554034 , 355986 , 1214190 , 6064133 , 17858880 , 81958310 , 360545001 , 547279669 , 9734158340 , 7870734864
n×2
42888174
n×3
64332261
n×4
85776348
n×5
107220435
n÷2
10722043.5
n÷3
7148029
n÷3
5361021.75
n÷5
4288817.4
n2
459848867263569
n3
9.8610391164514E+21
n4
2.1146098072359E+29
n5
4.5345876677419E+36
2 √n
4630.7760688679
3 √n
277.82363345489
4 √n
68.04980579596
5 √n
29.25913697756
1 , 3 , 7 , 21 , 67 , 201 , 469 , 1407 , 15241 , 45723 , 106687 , 320061 , 1021147 , 3063441 , 7148029 , 21444087
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
-21444086
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 21444087 can be divided by 16 positive divisors.
The sum of these divisors (counting 21444087) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001110011010111110111
3
Ternary
1111100110202110
4
Quaternary
1101303113313
5
Quinary
20442202322
6
Senary
2043342103
8
Octal
121632767
10
Decimal
21444087
12
Duodecimal
7221933
16
Hexadecimal
14735f7
20
Vigesimal
6e0a47
36
Base36
crmd3
md5
de83899b30baf7b51eecd08ec4cb377d
sha1
8d78768f9aee522d0deb22194218ee58297e51b8
sha256
f182b5c0906545d22f04536b98d04357bf3838856dbbc7bf3cef359a22898d74
sha512
84f1c89dfd68ed0f286a0352c5bb1198c760a4cf482b555d592f71b90ec6d582a05d4e47d906df95aca1b84c84af5b96d1c0de15ef9d4f3b8e4264a05ed00790
ripemd-160
c50965bc57b254ed3cc8e061a0a1340de01096f0
Diameter
42888174
Circumference
134737172.36428
Area
1.4446578231568E+15
Volume
4.1305824060007E+22
Surface area
5.7786312926273E+15
Circumference
134737172.36428
Perimeter
85776348
Area
459848867263569
Diagonal
30326518.668109
Surface area
2759093203581414
Volume
9.8610391164514E+21
Space diagonal
37142248.205927
Perimeter
64332261
Area
1.9912040047587E+14
Altitude
18571124.102964
Surface area
1.9912040047587E+14
Volume
1.1621346047981E+21
Height
10108839.556036