21041491 is an odd 8-digits composite number following 21041490
and preceding 21041492 . In scientific notation, it is written as 2.1041491 × 10^7.
The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors.
There are 20552112 positive integers (up to 21041491) that are relatively prime to 21041491.
21041491 has 4 divisors, whose sum is 21530872
The reverse of 21041491 is 19414012
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty-one million forty-one thousand four hundred ninety-one
Scientific notation
2.1041491 × 10^7
Engineering notation
2.1041491 × 10^6
Prime Factorization
43 × 489337
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21041491
Product of the distinct prime numbers
The prime factorization of 21041491 is 43 × 489337.
Since it has a total of 2 prime factors.
3 , 4 , 25 , 72 , 16 , 750 , 608 , 5121 , 91657 , 72192 , 476758 , 406234 , 5111150 , 3796293 , 42462566 , 11363973 , 720084928 , 37226304 , 1997470118 , 1728985674
n×2
42082982
n×3
63124473
n×4
84165964
n×5
105207455
n÷2
10520745.5
n÷3
7013830.3333333
n÷3
5260372.75
n÷5
4208298.2
n2
442744343503081
n3
9.316001119121E+21
n4
1.9602255370397E+29
n5
4.1246067995592E+36
2 √n
4587.1005003161
3 √n
276.07399734734
4 √n
67.72813669603
5 √n
29.148439026412
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
-21041490
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 21041491 can be divided by 4 positive divisors.
The sum of these divisors (counting 21041491) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000010001000101010011
3
Ternary
1110121000111111
4
Quaternary
1100101011103
5
Quinary
20341311431
6
Senary
2030554151
8
Octal
120210523
10
Decimal
21041491
12
Duodecimal
7068957
16
Hexadecimal
1411153
20
Vigesimal
6ba3eb
36
Base36
cizpv
md5
c1d2d63164f097aacaa4f120412221ec
sha1
348ed3946d33a075357ca364d5163a6398b42048
sha256
2f14e0465a3b847dfe42fd1a276ab1b1e730def02a8abd898324078b3e9adcc2
sha512
cdbea4587a0b08663d7f422092506c43cddf6cd9eaadfcfdb24f90e8384bc18b7f375bfed1a07b46e3f4eac1d9e954da5380fb270076e0ba7ef94bfee335fa0d
ripemd-160
423e4d1079eaa3f3c0c1e8bce4487ee2a5ba0c9b
Diameter
42082982
Circumference
132207587.09235
Area
1.3909223769677E+15
Volume
3.9022774235553E+22
Surface area
5.5636895078709E+15
Circumference
132207587.09235
Perimeter
84165964
Area
442744343503081
Diagonal
29757161.944751
Surface area
2656466061018486
Volume
9.316001119121E+21
Space diagonal
36444931.479003
Perimeter
63124473
Area
1.9171392442777E+14
Altitude
18222465.739502
Surface area
1.9171392442777E+14
Volume
1.097901260812E+21
Height
9919053.9815838