21246980 is an even 8-digits composite number following 21246979
and preceding 21246981 . In scientific notation, it is written as 2.1246980 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors.
There are 8498784 positive integers (up to 21246980) that are relatively prime to 21246980.
21246980 has 12 divisors, whose sum is 44618700
The reverse of 21246980 is 08964212
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million two hundred forty-six thousand nine hundred eighty
Scientific notation
2.1246980 × 10^7
Engineering notation
2.1246980 × 10^6
Prime Factorization
2 × 2 × 5 × 1062349
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10623490
Product of the distinct prime numbers
The prime factorization of 21246980 is 2 × 2 × 5 × 1062349.
Since it has a total of 4 prime factors.
2 , 7 , 97 , 57 , 832 , 226 , 2044 , 6690 , 78492 , 53555 , 837203 , 336445 , 4534912 , 2956388 , 78899560 , 36157411 , 320352494 , 986431139 , 4226364121 , 9576883080
n×2
42493960
n×3
63740940
n×4
84987920
n×5
106234900
n÷2
10623490
n÷3
7082326.6666667
n÷3
5311745
n÷5
4249396
n2
451434159120400
n3
9.591612550148E+21
n4
2.0379280002074E+29
n5
4.3299815461847E+36
2 √n
4609.4446520161
3 √n
276.96979082946
4 √n
67.892891027089
5 √n
29.205150044733
1 , 2 , 4 , 5 , 10 , 20 , 1062349 , 2124698 , 4249396 , 5311745 , 10623490 , 21246980
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
-21246979
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 21246980 can be divided by 12 positive divisors.
The sum of these divisors (counting 21246980) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010001000011010000000100
3
Ternary
1110222110101012
4
Quaternary
1101003100010
5
Quinary
20414400410
6
Senary
2035221352
8
Octal
121032004
10
Decimal
21246980
12
Duodecimal
7147858
16
Hexadecimal
1443404
20
Vigesimal
6cfh90
36
Base36
cne9w
md5
f1ea414095f9cbfdb3e39991990c63ce
sha1
9910533399dedfdf146e21d399181b6460c27a5f
sha256
b20cd26395cd908bb6376c8b13986a3df4f64f3f0aa04493e737ffb8b6848186
sha512
4e5cfe7ee44b64f6ebf6c8991ae7adac2825c13582e88e79e93655312db895a294697e36170df548ee872af970d8cdd41b236e497234a2da9513163668492758
ripemd-160
7fad9528acab44f75e208419fcbb8ab997a302a2
Diameter
42493960
Circumference
133498712.55794
Area
1.4182222378721E+15
Volume
4.0177252698166E+22
Surface area
5.6728889514885E+15
Circumference
133498712.55794
Perimeter
84987920
Area
451434159120400
Diagonal
30047767.27547
Surface area
2708604954722400
Volume
9.591612550148E+21
Space diagonal
36800848.8674
Perimeter
63740940
Area
1.9547672496717E+14
Altitude
18400424.4337
Surface area
1.9547672496717E+14
Volume
1.1303823794539E+21
Height
10015922.425157