21541924 is an even 8-digits composite number following 21541923
and preceding 21541925 . In scientific notation, it is written as 2.1541924 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors.
There are 10137344 positive integers (up to 21541924) that are relatively prime to 21541924.
21541924 has 12 divisors, whose sum is 39916044
The reverse of 21541924 is 42914512
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million five hundred forty-one thousand nine hundred twenty-four
Scientific notation
2.1541924 × 10^7
Engineering notation
2.1541924 × 10^6
Prime Factorization
2 × 2 × 17 × 316793
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10770962
Product of the distinct prime numbers
The prime factorization of 21541924 is 2 × 2 × 17 × 316793.
Since it has a total of 4 prime factors.
7 , 7 , 56 , 5 , 968 , 480 , 8228 , 8289 , 30592 , 45264 , 396772 , 107267 , 3238892 , 7367 , 59512545 , 55011583 , 60976946 , 880405492 , 7329969558 , 6345793988
n×2
43083848
n×3
64625772
n×4
86167696
n×5
107709620
n÷2
10770962
n÷3
7180641.3333333
n÷3
5385481
n÷5
4308384.8
n2
464054489621776
n3
9.9966265472911E+21
n4
2.1534656933813E+29
n5
4.6389794303427E+36
2 √n
4641.3278272494
3 √n
278.24550884268
4 √n
68.127291354122
5 √n
29.285786899612
1 , 2 , 4 , 17 , 34 , 68 , 316793 , 633586 , 1267172 , 5385481 , 10770962 , 21541924
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21541923
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21541924 can be divided by 12 positive divisors.
The sum of these divisors (counting 21541924) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010010001011010000100100
3
Ternary
1111112102222001
4
Quaternary
1102023100210
5
Quinary
21003320144
6
Senary
2045415044
8
Octal
122132044
10
Decimal
21541924
12
Duodecimal
726a484
16
Hexadecimal
148b424
20
Vigesimal
6eceg4
36
Base36
ctpus
md5
07fd4bbb11d66dc33dee64d2ea3a2afa
sha1
e039f16040ffb73041cb77192e797ad456d044e3
sha256
840301dafe0dfce446c5c0c934661386bfa8d9a996872f951f03d42f333fe61e
sha512
dfed150da0919c1926a224ae72619d445b33e00f0d09f17b0a989691b3e341328844a4ecd8eab69df314cf451745af3727d3fd7ff217b850c1834f37c3ab87a0
ripemd-160
cd8a4a4663a707164aad2b27c2e35e8adab742e2
Diameter
43083848
Circumference
135351900.36518
Area
1.4578701754611E+15
Volume
4.18737713622E+22
Surface area
5.8314807018445E+15
Circumference
135351900.36518
Perimeter
86167696
Area
464054489621776
Diagonal
30464881.08041
Surface area
2784326937730656
Volume
9.9966265472911E+21
Space diagonal
37311706.860787
Perimeter
64625772
Area
2.0094148837634E+14
Altitude
18655853.430394
Surface area
2.0094148837634E+14
Volume
1.1781137367632E+21
Height
10154960.360137