21936490 is an even 8-digits composite number following 21936489
and preceding 21936491 . In scientific notation, it is written as 2.1936490 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 8774592 positive integers (up to 21936490) that are relatively prime to 21936490.
21936490 has 8 divisors, whose sum is 39485700
The reverse of 21936490 is 09463912
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-one million nine hundred thirty-six thousand four hundred ninety
Scientific notation
2.1936490 × 10^7
Engineering notation
2.1936490 × 10^6
Prime Factorization
2 × 5 × 2193649
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21936490
Product of the distinct prime numbers
The prime factorization of 21936490 is 2 × 5 × 2193649.
Since it has a total of 3 prime factors.
4 , 9 , 83 , 20 , 406 , 777 , 4594 , 6953 , 88211 , 37733 , 202917 , 705166 , 5944037 , 6114507 , 46601105 , 3603491 , 488035183 , 487805413 , 8106564650 , 1577868092
n×2
43872980
n×3
65809470
n×4
87745960
n×5
109682450
n÷2
10968245
n÷3
7312163.3333333
n÷3
5484122.5
n÷5
4387298
n2
481209593520100
n3
1.0556049436158E+22
n4
2.3156267289578E+29
n5
5.0796722583515E+36
2 √n
4683.6406779342
3 √n
279.93404058565
4 √n
68.437129381164
5 √n
29.39229025261
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
-21936489
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 21936490 can be divided by 8 positive divisors.
The sum of these divisors (counting 21936490) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010011101011100101101010
3
Ternary
1112021111012121
4
Quaternary
1103223211222
5
Quinary
21103431430
6
Senary
2102101454
8
Octal
123534552
10
Decimal
21936490
12
Duodecimal
741a88a
16
Hexadecimal
14eb96a
20
Vigesimal
6h214a
36
Base36
d26ay
md5
c248a25d7b2ee03257af43d82db40e83
sha1
366c97d3e7fb23316ebcc913a3d09d24c1dce31f
sha256
55181ab8f709b260711697482566cbc763f71ad23aab1a453c1952c335fb51d9
sha512
e9642998d4cc887ea5fdded068e2b3c69bacc7041df3ee646b0aeda0c3c3236a5930a6937e4261212bb6885e9e31a6bdf27209d4e708591a732f525b4a4123c9
ripemd-160
87b9098365aca48e6af9e75ef0e3352becf385c2
Diameter
43872980
Circumference
137831031.65909
Area
1.5117645238397E+15
Volume
4.4217076479418E+22
Surface area
6.0470580953587E+15
Circumference
137831031.65909
Perimeter
87745960
Area
481209593520100
Diagonal
31022881.668862
Surface area
2887257561120600
Volume
1.0556049436158E+22
Space diagonal
37995115.219727
Perimeter
65809470
Area
2.083698662666E+14
Altitude
18997557.609863
Surface area
2.083698662666E+14
Volume
1.2440423564746E+21
Height
10340960.556287