21048891 is an odd 8-digits composite number following 21048890
and preceding 21048892 . In scientific notation, it is written as 2.1048891 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 13996800 positive integers (up to 21048891) that are relatively prime to 21048891.
21048891 has 8 divisors, whose sum is 28136784
The reverse of 21048891 is 19884012
Previous prime number is 401
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-one million forty-eight thousand eight hundred ninety-one
Scientific notation
2.1048891 × 10^7
Engineering notation
2.1048891 × 10^6
Prime Factorization
3 × 401 × 17497
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21048891
Product of the distinct prime numbers
The prime factorization of 21048891 is 3 × 401 × 17497.
Since it has a total of 3 prime factors.
5 , 2 , 26 , 50 , 143 , 57 , 4911 , 6458 , 66855 , 18633 , 854806 , 736954 , 8252094 , 2822650 , 31658845 , 25437308 , 609543859 , 748376543 , 6622156468 , 4034708869
n×2
42097782
n×3
63146673
n×4
84195564
n×5
105244455
n÷2
10524445.5
n÷3
7016297
n÷3
5262222.75
n÷5
4209778.2
n2
443055812329881
n3
9.3258335006481E+21
n4
1.9629845283929E+29
n5
4.1318647372829E+36
2 √n
4587.9070391628
3 √n
276.10635735033
4 √n
67.734090672001
5 √n
29.150488958253
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
-21048890
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 21048891 can be divided by 8 positive divisors.
The sum of these divisors (counting 21048891) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000010010111000111011
3
Ternary
1110121101122120
4
Quaternary
1100102320323
5
Quinary
20342031031
6
Senary
2031052323
8
Octal
120227073
10
Decimal
21048891
12
Duodecimal
70710a3
16
Hexadecimal
1412e3b
20
Vigesimal
6bb24b
36
Base36
cj5ff
md5
1ce81d16579cdd3543b0a08bb45500e2
sha1
315f9c856eaad1d104976d8c85ec45030cd01bbc
sha256
557cd5136848bb274df4b2f8b5fe3ff3742cd0cafac2dc837fb593a5ca1e36bf
sha512
d038e9d5b96464f6e29ab918fd5fc5a2146934d75f8544d4582abc1352ad0352ce70bf02e11218a63d1aaf3c69f360705d9a4e2900e0ae757babb78adea55aa1
ripemd-160
43c73238c6c2d002b4d61474e2fa4d2f217c2ec0
Diameter
42097782
Circumference
132254082.66362
Area
1.3919008851458E+15
Volume
3.9063960018984E+22
Surface area
5.5676035405832E+15
Circumference
132254082.66362
Perimeter
84195564
Area
443055812329881
Diagonal
29767627.125113
Surface area
2658334873979286
Volume
9.3258335006481E+21
Space diagonal
36457748.654979
Perimeter
63146673
Area
1.9184879438601E+14
Altitude
18228874.32749
Surface area
1.9184879438601E+14
Volume
1.0990600180875E+21
Height
9922542.3750377