21105412 is an even 8-digits composite number following 21105411
and preceding 21105413 . In scientific notation, it is written as 2.1105412 × 10^7.
The sum of its digits is 16. It has a total of 4 prime factors and 12 positive divisors.
There are 10540640 positive integers (up to 21105412) that are relatively prime to 21105412.
21105412 has 12 divisors, whose sum is 36976716
The reverse of 21105412 is 21450112
Previous prime number is 1061
Is Prime? no
Number parity even
Number length 8
Sum of Digits 16
Digital Root 7
Name
twenty-one million one hundred five thousand four hundred twelve
Scientific notation
2.1105412 × 10^7
Engineering notation
2.1105412 × 10^6
Prime Factorization
2 × 2 × 1061 × 4973
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10552706
Product of the distinct prime numbers
The prime factorization of 21105412 is 2 × 2 × 1061 × 4973.
Since it has a total of 4 prime factors.
1 , 6 , 91 , 65 , 214 , 918 , 3772 , 5604 , 14949 , 84013 , 616822 , 483921 , 4625780 , 1938930 , 98707755 , 9291929 , 512839031 , 368284570 , 3505908424 , 3238567513
n×2
42210824
n×3
63316236
n×4
84421648
n×5
105527060
n÷2
10552706
n÷3
7035137.3333333
n÷3
5276353
n÷5
4221082.4
n2
445438415689744
n3
9.4011612837593E+21
n4
1.9841538217219E+29
n5
4.1876383878815E+36
2 √n
4594.0626900381
3 √n
276.35327233599
4 √n
67.779515268539
5 √n
29.16612729232
1 , 2 , 4 , 1061 , 2122 , 4244 , 4973 , 9946 , 19892 , 5276353 , 10552706 , 21105412
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21105411
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21105412 can be divided by 12 positive divisors.
The sum of these divisors (counting 21105412) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000100000101100000100
3
Ternary
1110201021011221
4
Quaternary
1100200230010
5
Quinary
20400333122
6
Senary
2032210124
8
Octal
120405404
10
Decimal
21105412
12
Duodecimal
7099944
16
Hexadecimal
1420b04
20
Vigesimal
6bi3ac
36
Base36
ckd1g
md5
1e6c5f23efc699a0b1989e90d69bc4c1
sha1
3cffe26fe9c3aa4f335cdaec224ffef664d838dd
sha256
d8e010f75c09e1b68b79972edffe137cefe253e632565932d373d757db27a42e
sha512
276bbc314d8ffc40c439a464bbd05afbfcc424eb291d31dee4ea41206bab95688c0e13e3b1af06694da7f120a7a7264c4bbe0273e61092a9ea1b080d66ffa19f
ripemd-160
da6e44e06c1a9538bcebad803e35c95b13146352
Diameter
42210824
Circumference
132609214.58037
Area
1.3993860543576E+15
Volume
3.9379492299028E+22
Surface area
5.5975442174303E+15
Circumference
132609214.58037
Perimeter
84421648
Area
445438415689744
Diagonal
29847559.889872
Surface area
2672630494138464
Volume
9.4011612837593E+21
Space diagonal
36555645.898674
Perimeter
63316236
Area
1.9288049190441E+14
Altitude
18277822.949337
Surface area
1.9288049190441E+14
Volume
1.1079374824624E+21
Height
9949186.6299573