21024881 is an odd 8-digits composite number following 21024880
and preceding 21024882 . In scientific notation, it is written as 2.1024881 × 10^7.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 20895732 positive integers (up to 21024881) that are relatively prime to 21024881.
21024881 has 4 divisors, whose sum is 21154032
The reverse of 21024881 is 18842012
Previous prime number is 163
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million twenty-four thousand eight hundred eighty-one
Scientific notation
2.1024881 × 10^7
Engineering notation
2.1024881 × 10^6
Prime Factorization
163 × 128987
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21024881
Product of the distinct prime numbers
The prime factorization of 21024881 is 163 × 128987.
Since it has a total of 2 prime factors.
1 , 3 , 9 , 83 , 843 , 893 , 3059 , 4081 , 12389 , 19090 , 543274 , 370925 , 3606393 , 472290 , 14873315 , 59586918 , 155790193 , 815318515 , 2982432615 , 1260511639
n×2
42049762
n×3
63074643
n×4
84099524
n×5
105124405
n÷2
10512440.5
n÷3
7008293.6666667
n÷3
5256220.25
n÷5
4204976.2
n2
442045621064161
n3
9.2939565794451E+21
n4
1.95404331102E+29
n5
4.1083528083041E+36
2 √n
4585.289630983
3 √n
276.00133462213
4 √n
67.714766712904
5 √n
29.143835659472
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
-21024880
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 21024881 can be divided by 4 positive divisors.
The sum of these divisors (counting 21024881) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000001101000001110001
3
Ternary
1110120011201022
4
Quaternary
1100031001301
5
Quinary
20340244011
6
Senary
2030345225
8
Octal
120150161
10
Decimal
21024881
12
Duodecimal
705b215
16
Hexadecimal
140d071
20
Vigesimal
6b8241
36
Base36
cimwh
md5
69cbd9160f585a12e3f25f14e68f8eb4
sha1
3595a2676b8793d485c9a3e44ee2fdfb3a5bfa56
sha256
061caecd0aa210c6f80430aa055a2276638338887e0c21771fd323f606954876
sha512
4ec11ff5750d377db009b5e93490ef63494e60fc086fb7d412c40e92b75062fffde781487f4c60d07b87b9b5563b2031a4f4cfd6d11df67b589798fe0ce3cadd
ripemd-160
6c0d08714d8c1df7e347d200aba0d27bdcbec2f7
Diameter
42049762
Circumference
132103223.3844
Area
1.3887272756867E+15
Volume
3.893043428369E+22
Surface area
5.5549091027468E+15
Circumference
132103223.3844
Perimeter
84099524
Area
442045621064161
Diagonal
29733671.85748
Surface area
2652273726384966
Volume
9.2939565794451E+21
Space diagonal
36416162.11509
Perimeter
63074643
Area
1.9141136873662E+14
Altitude
18208081.057545
Surface area
1.9141136873662E+14
Volume
1.0953032868965E+21
Height
9911223.9524935