21492530 is an even 8-digits composite number following 21492529
and preceding 21492531 . In scientific notation, it is written as 2.1492530 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors.
There are 8548272 positive integers (up to 21492530) that are relatively prime to 21492530.
21492530 has 16 divisors, whose sum is 38905920
The reverse of 21492530 is 03529412
Previous prime number is 179
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million four hundred ninety-two thousand five hundred thirty
Scientific notation
2.1492530 × 10^7
Engineering notation
2.1492530 × 10^6
Prime Factorization
2 × 5 × 179 × 12007
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21492530
Product of the distinct prime numbers
The prime factorization of 21492530 is 2 × 5 × 179 × 12007.
Since it has a total of 4 prime factors.
8 , 10 , 61 , 47 , 850 , 917 , 1320 , 2692 , 34748 , 62643 , 781448 , 834081 , 7339896 , 3944535 , 20886905 , 94904895 , 317449074 , 968930811 , 495614612 , 3096899408
n×2
42985060
n×3
64477590
n×4
85970120
n×5
107462650
n÷2
10746265
n÷3
7164176.6666667
n÷3
5373132.5
n÷5
4298506
n2
461928845800900
n3
9.9280195762412E+21
n4
2.1337825858295E+29
n5
4.5860386239418E+36
2 √n
4636.0036669528
3 √n
278.03268080165
4 √n
68.088205050161
5 √n
29.272344546822
1 , 2 , 5 , 10 , 179 , 358 , 895 , 1790 , 12007 , 24014 , 60035 , 120070 , 2149253 , 4298506 , 10746265 , 21492530
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
-21492529
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 21492530 can be divided by 16 positive divisors.
The sum of these divisors (counting 21492530) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001111111001100110010
3
Ternary
1111102221012122
4
Quaternary
1101333030302
5
Quinary
21000230110
6
Senary
2044354242
8
Octal
121771462
10
Decimal
21492530
12
Duodecimal
7245982
16
Hexadecimal
147f332
20
Vigesimal
6e6b6a
36
Base36
csnqq
md5
5cbafa08c4f5cf4a43c9564686868435
sha1
6ea33239d8a49d8c50b8fa80c7f90742e3759339
sha256
14e0b6ac21e6a80d1778f863e8aa0efef2d4ed544fb6c0789ded28dd1c2ebaf6
sha512
13fae26089693e5dc41e1db2b511744fb4371922f379d068a335024f362641945f3772a22042d8db0142a3e3985b07a35c8aa7e2d65084e58a46294ca794c213
ripemd-160
9e3d1370fe3c7e7168791b7e60bb280c5ea428be
Diameter
42985060
Circumference
135041548.71012
Area
1.4511922684493E+15
Volume
4.1586391153887E+22
Surface area
5.8047690737973E+15
Circumference
135041548.71012
Perimeter
85970120
Area
461928845800900
Diagonal
30395027.415711
Surface area
2771573074805400
Volume
9.9280195762412E+21
Space diagonal
37226153.943198
Perimeter
64477590
Area
2.000210576022E+14
Altitude
18613076.971599
Surface area
2.000210576022E+14
Volume
1.1700283276855E+21
Height
10131675.805237