21936491 is an odd 8-digits composite number following 21936490
and preceding 21936492 . In scientific notation, it is written as 2.1936491 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 21905832 positive integers (up to 21936491) that are relatively prime to 21936491.
21936491 has 4 divisors, whose sum is 21967152
The reverse of 21936491 is 19463912
Previous prime number is 733
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-one million nine hundred thirty-six thousand four hundred ninety-one
Scientific notation
2.1936491 × 10^7
Engineering notation
2.1936491 × 10^6
Prime Factorization
733 × 29927
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21936491
Product of the distinct prime numbers
The prime factorization of 21936491 is 733 × 29927.
Since it has a total of 2 prime factors.
8 , 2 , 56 , 64 , 767 , 674 , 3191 , 2490 , 5150 , 91390 , 884895 , 958711 , 3701289 , 547179 , 64757803 , 22896028 , 577571706 , 169951438 , 2113387166 , 2845236063
n×2
43872982
n×3
65809473
n×4
87745964
n×5
109682455
n÷2
10968245.5
n÷3
7312163.6666667
n÷3
5484122.75
n÷5
4387298.2
n2
481209637393081
n3
1.0556050879787E+22
n4
2.3156271511998E+29
n5
5.079673416165E+36
2 √n
4683.6407846888
3 √n
279.93404483936
4 √n
68.43713016111
5 √n
29.392290520586
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
-21936490
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 21936491 can be divided by 4 positive divisors.
The sum of these divisors (counting 21936491) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010011101011100101101011
3
Ternary
1112021111012122
4
Quaternary
1103223211223
5
Quinary
21103431431
6
Senary
2102101455
8
Octal
123534553
10
Decimal
21936491
12
Duodecimal
741a88b
16
Hexadecimal
14eb96b
20
Vigesimal
6h214b
36
Base36
d26az
md5
e7aa20429d4fd0e2dd0b157ccd53b09d
sha1
452d12d03c81256738d1bca3745f0f11c2370d57
sha256
baeac6f3e3d8c4ac440baf0b7aea329e420f25272722534dd75ec6322b14f1bc
sha512
cc4b7fdef1b5d3508e2326c8d97b330129cba8f5693f3cad671f409c9ed6e9612a7f80416df6bfb006eb25a9e76bc7d96c05d42e4554451f9d73776cb3d23872
ripemd-160
07dbed4faa5bdd9838355fff57b11fef9e1818ab
Diameter
43872982
Circumference
137831037.94228
Area
1.5117646616707E+15
Volume
4.4217082526477E+22
Surface area
6.0470586466828E+15
Circumference
137831037.94228
Perimeter
87745964
Area
481209637393081
Diagonal
31022883.083075
Surface area
2887257824358486
Volume
1.0556050879787E+22
Space diagonal
37995116.951777
Perimeter
65809473
Area
2.0836988526415E+14
Altitude
18997558.475889
Surface area
2.0836988526415E+14
Volume
1.2440425266079E+21
Height
10340961.027692