21320912 is an even 8-digits composite number following 21320911
and preceding 21320913 . In scientific notation, it is written as 2.1320912 × 10^7.
The sum of its digits is 20. It has a total of 5 prime factors and 10 positive divisors.
There are 10660448 positive integers (up to 21320912) that are relatively prime to 21320912.
21320912 has 10 divisors, whose sum is 41309298
The reverse of 21320912 is 21902312
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty-one million three hundred twenty thousand nine hundred twelve
Scientific notation
2.1320912 × 10^7
Engineering notation
2.1320912 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 1332557
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
2665114
Product of the distinct prime numbers
The prime factorization of 21320912 is 2 × 2 × 2 × 2 × 1332557.
Since it has a total of 5 prime factors.
5 , 3 , 50 , 17 , 313 , 443 , 5165 , 2375 , 68756 , 53096 , 596638 , 440866 , 4478449 , 2927550 , 2616875 , 49313239 , 906448421 , 271456287 , 7307211697 , 3647877903
n×2
42641824
n×3
63962736
n×4
85283648
n×5
106604560
n÷2
10660456
n÷3
7106970.6666667
n÷3
5330228
n÷5
4264182.4
n2
454581288511744
n3
9.6920876492055E+21
n4
2.06644147865E+29
n5
4.4058416919446E+36
2 √n
4617.4573089526
3 √n
277.29067134283
4 √n
67.951874948029
5 √n
29.225446539737
10 divisors
τ
Total Divisors
10
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21320911
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.1
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
10
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21320912 can be divided by 10 positive divisors.
The sum of these divisors (counting 21320912) is 1, the average is 0.1.
Base
System
Value
2
Binary
1010001010101010011010000
3
Ternary
1111010012210102
4
Quaternary
1101111103100
5
Quinary
20424232122
6
Senary
2040551532
8
Octal
121252320
10
Decimal
21320912
12
Duodecimal
71825a8
16
Hexadecimal
14554d0
20
Vigesimal
6d525c
36
Base36
cozbk
md5
147f34e4cc493915142a8b1e5e1c0cc4
sha1
63bdce8c19dc82f2996ab8651b09f344d43e7922
sha256
1045ac53676355720e6e72b5b676cec5157463cf29f67acafa8430fa033b7d52
sha512
ef76c2ddb61e89374987889b6b525d37f833fd5124edca0abc6544a706e05d5151aafae3bf7e86a780b98d9eadfcc5a84438f562f2c902765c9452b735d3d675
ripemd-160
377c6bbfd12a3996d4ab3576c420a444bbbf0b6f
Diameter
42641824
Circumference
133963241.01407
Area
1.4281092364479E+15
Volume
4.0598121808923E+22
Surface area
5.7124369457915E+15
Circumference
133963241.01407
Perimeter
85283648
Area
454581288511744
Diagonal
30152322.912563
Surface area
2727487731070464
Volume
9.6920876492055E+21
Space diagonal
36928902.847705
Perimeter
63962736
Area
1.9683947196812E+14
Altitude
18464451.423852
Surface area
1.9683947196812E+14
Volume
1.1422234834346E+21
Height
10050774.304188