21494539 is an odd 8-digits composite number following 21494538
and preceding 21494540 . In scientific notation, it is written as 2.1494539 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 18416160 positive integers (up to 21494539) that are relatively prime to 21494539.
21494539 has 16 divisors, whose sum is 24837120
The reverse of 21494539 is 93549412
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-one million four hundred ninety-four thousand five hundred thirty-nine
Scientific notation
2.1494539 × 10^7
Engineering notation
2.1494539 × 10^6
Prime Factorization
11 × 43 × 29 × 1567
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21494539
Product of the distinct prime numbers
The prime factorization of 21494539 is 11 × 43 × 29 × 1567.
Since it has a total of 4 prime factors.
4 , 8 , 30 , 1 , 394 , 25 , 9497 , 6449 , 35158 , 62779 , 312185 , 104545 , 1618535 , 2080798 , 67595903 , 60471606 , 456325981 , 778779429 , 3750607939 , 8704462677
n×2
42989078
n×3
64483617
n×4
85978156
n×5
107472695
n÷2
10747269.5
n÷3
7164846.3333333
n÷3
5373634.75
n÷5
4298907.8
n2
462015206822521
n3
9.9308038816397E+21
n4
2.1345805133526E+29
n5
4.5881824092897E+36
2 √n
4636.2203355751
3 √n
278.04134350528
4 √n
68.089796119353
5 √n
29.272891768963
1 , 11 , 29 , 43 , 319 , 473 , 1247 , 1567 , 13717 , 17237 , 45443 , 67381 , 499873 , 741191 , 1954049 , 21494539
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21494538
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21494539 can be divided by 16 positive divisors.
The sum of these divisors (counting 21494539) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001111111101100001011
3
Ternary
1111110000222001
4
Quaternary
1101333230023
5
Quinary
21000311124
6
Senary
2044411431
8
Octal
121775413
10
Decimal
21494539
12
Duodecimal
7246b77
16
Hexadecimal
147fb0b
20
Vigesimal
6e6g6j
36
Base36
cspaj
md5
891c34325ca3c8ec355cd930d7f9208d
sha1
f0d3f8ec2b51e5d20a0661b96c2ff67510fee45c
sha256
03dc611f9d2b27fe6910747dfa2df99cce2a9764d39ff429c5de3d043762ddde
sha512
8c7a6dedb670f4e12a006865a6b5afa579a2c1e01511f7e0997138261c18a4436c9d92b93a8bf7e23270ecb8834c5835fcfcfd29ebc3fa6b89634a53b7a69e5d
ripemd-160
104c8d0698615dd7a1186e74461010836e662814
Diameter
42989078
Circumference
135054171.6294
Area
1.4514635796004E+15
Volume
4.1598054025067E+22
Surface area
5.8058543184016E+15
Circumference
135054171.6294
Perimeter
85978156
Area
462015206822521
Diagonal
30397868.570757
Surface area
2772091240935126
Volume
9.9308038816397E+21
Space diagonal
37229633.633271
Perimeter
64483617
Area
2.0005845302151E+14
Altitude
18614816.816635
Surface area
2.0005845302151E+14
Volume
1.1703564612235E+21
Height
10132622.856919