21105848 is an even 8-digits composite number following 21105847
and preceding 21105849 . In scientific notation, it is written as 2.1105848 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 8 positive divisors.
There are 10552920 positive integers (up to 21105848) that are relatively prime to 21105848.
21105848 has 8 divisors, whose sum is 39573480
The reverse of 21105848 is 84850112
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million one hundred five thousand eight hundred forty-eight
Scientific notation
2.1105848 × 10^7
Engineering notation
2.1105848 × 10^6
Prime Factorization
2 × 2 × 2 × 2638231
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
5276462
Product of the distinct prime numbers
The prime factorization of 21105848 is 2 × 2 × 2 × 2638231.
Since it has a total of 4 prime factors.
7 , 4 , 68 , 42 , 731 , 97 , 3135 , 6910 , 27113 , 71256 , 501880 , 417614 , 7875429 , 3378493 , 34627391 , 27190832 , 986923865 , 33806612 , 5047514743 , 8948875287
n×2
42211696
n×3
63317544
n×4
84423392
n×5
105529240
n÷2
10552924
n÷3
7035282.6666667
n÷3
5276462
n÷5
4221169.6
n2
445456819799104
n3
9.4017439292433E+21
n4
1.9843177830553E+29
n5
4.1880709512862E+36
2 √n
4594.1101423453
3 √n
276.35517531072
4 √n
67.779865316665
5 √n
29.166247795312
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
-21105847
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 21105848 can be divided by 8 positive divisors.
The sum of these divisors (counting 21105848) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000100000110010111000
3
Ternary
1110201021210002
4
Quaternary
1100200302320
5
Quinary
20400341343
6
Senary
2032212132
8
Octal
120406270
10
Decimal
21105848
12
Duodecimal
709a048
16
Hexadecimal
1420cb8
20
Vigesimal
6bi4c8
36
Base36
ckddk
md5
a8f64c5be10aad0aa9685687bdd2c765
sha1
ecd2d97c4044b8c737845a86fdf2b11bc1aac533
sha256
be783497574b967cac6bc388acbc86c4ce16031fea1e40696c8063e5ef787968
sha512
3fec98f419b2ff6a5d0e1d6d6cc2a32c105f170297a35e594302d7da58efe87f010f1cd24e8f9560435e7866bc122a3fc3a97e8f306fbcbcf121af6857c5aa01
ripemd-160
0131694fe2b3e638ba12649fced36024f0ebb49f
Diameter
42211696
Circumference
132611954.04917
Area
1.3994438725723E+15
Volume
3.9381932878724E+22
Surface area
5.5977754902894E+15
Circumference
132611954.04917
Perimeter
84423392
Area
445456819799104
Diagonal
29848176.486985
Surface area
2672740918794624
Volume
9.4017439292433E+21
Space diagonal
36556401.072826
Perimeter
63317544
Area
1.9288846111753E+14
Altitude
18278200.536413
Surface area
1.9288846111753E+14
Volume
1.1080061478912E+21
Height
9949392.1623284