21249941 is an odd 8-digits composite number following 21249940
and preceding 21249942 . In scientific notation, it is written as 2.1249941 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 21228300 positive integers (up to 21249941) that are relatively prime to 21249941.
21249941 has 4 divisors, whose sum is 21271584
The reverse of 21249941 is 14994212
Previous prime number is 1031
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million two hundred forty-nine thousand nine hundred forty-one
Scientific notation
2.1249941 × 10^7
Engineering notation
2.1249941 × 10^6
Prime Factorization
1031 × 20611
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21249941
Product of the distinct prime numbers
The prime factorization of 21249941 is 1031 × 20611.
Since it has a total of 2 prime factors.
3 , 8 , 57 , 84 , 381 , 425 , 7338 , 5172 , 82393 , 35138 , 209480 , 308723 , 7004939 , 1006608 , 96686319 , 5898118 , 758275629 , 975116588 , 9245882119 , 692349149
n×2
42499882
n×3
63749823
n×4
84999764
n×5
106249705
n÷2
10624970.5
n÷3
7083313.6666667
n÷3
5312485.25
n÷5
4249988.2
n2
451559992503481
n3
9.5956231986594E+21
n4
2.0390642682974E+29
n5
4.3329995396529E+36
2 √n
4609.7658291935
3 √n
276.98265649252
4 √n
67.895256308475
5 √n
29.205964011039
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
-21249940
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 21249941 can be divided by 4 positive divisors.
The sum of these divisors (counting 21249941) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001000011111110010101
3
Ternary
1110222121102212
4
Quaternary
1101003332111
5
Quinary
20414444231
6
Senary
2035243205
8
Octal
121037625
10
Decimal
21249941
12
Duodecimal
7149505
16
Hexadecimal
1443f95
20
Vigesimal
6cg4h1
36
Base36
cngk5
md5
a7874a07fd376e48fe56de710a33bd0c
sha1
9cfeebbcc53fa4f9e1aacb81894ba4fd0aedb31f
sha256
56b5b3c052706b30167e452b5a5d906bb03e05722eee29d2fe4d20b981b86100
sha512
4719b7cc1e9608cf7b33c82dc5e66d1c9fd0d4574ae2f221c6c8ec6e1674c42bd40500a4129142959f4a2c62d56caa09c0e5ed8cbe3907c10bdb3dc900ab51d2
ripemd-160
87cfd28320f8132c12cca1384566d8c75ab894f1
Diameter
42499882
Circumference
133517317.06963
Area
1.418617555104E+15
Volume
4.0194052463366E+22
Surface area
5.674470220416E+15
Circumference
133517317.06963
Perimeter
84999764
Area
451559992503481
Diagonal
30051954.761828
Surface area
2709359955020886
Volume
9.5956231986594E+21
Space diagonal
36805977.469841
Perimeter
63749823
Area
1.9553121242036E+14
Altitude
18402988.73492
Surface area
1.9553121242036E+14
Volume
1.1308550389138E+21
Height
10017318.253943