21492811 is an odd 8-digits composite number following 21492810
and preceding 21492812 . In scientific notation, it is written as 2.1492811 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 20169600 positive integers (up to 21492811) that are relatively prime to 21492811.
21492811 has 8 divisors, whose sum is 22823424
The reverse of 21492811 is 11829412
Previous prime number is 383
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million four hundred ninety-two thousand eight hundred eleven
Scientific notation
2.1492811 × 10^7
Engineering notation
2.1492811 × 10^6
Prime Factorization
17 × 383 × 3301
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21492811
Product of the distinct prime numbers
The prime factorization of 21492811 is 17 × 383 × 3301.
Since it has a total of 3 prime factors.
10 , 4 , 26 , 27 , 435 , 580 , 9693 , 8433 , 97541 , 54648 , 684138 , 666624 , 3253285 , 8988955 , 64001415 , 57107015 , 812341481 , 909571492 , 496719123 , 3059767401
n×2
42985622
n×3
64478433
n×4
85971244
n×5
107464055
n÷2
10746405.5
n÷3
7164270.3333333
n÷3
5373202.75
n÷5
4298562.2
n2
461940924681721
n3
9.9284089873495E+21
n4
2.133894178958E+29
n5
4.5863384282345E+36
2 √n
4636.0339731283
3 √n
278.03389249152
4 √n
68.088427600645
5 √n
29.272421089563
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21492810
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21492811 can be divided by 8 positive divisors.
The sum of these divisors (counting 21492811) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001111111010001001011
3
Ternary
1111102221121001
4
Quaternary
1101333101023
5
Quinary
21000232221
6
Senary
2044355431
8
Octal
121772113
10
Decimal
21492811
12
Duodecimal
7245b77
16
Hexadecimal
147f44b
20
Vigesimal
6e6c0b
36
Base36
csnyj
md5
2289d8cc59f708350bfcd3c03f2ee3ed
sha1
ecb21db3a5db4bc8926ecac3979551bd0e106e01
sha256
6dba56579e8957b0f5bca59f9fae9226763f49516b6e32a46f43fdce513ab416
sha512
da3c19cc28514e083215d3a5ac68427883897d1d00455c99ce40ce59334c9ae75d43e2c67dd4fa8f11d94043ebdd914f7db0e4b5647c66cb712baa962259bcfb
ripemd-160
6b49f73a895b6498e59585743cec6149af1f775a
Diameter
42985622
Circumference
135043314.28519
Area
1.4512302153726E+15
Volume
4.1588022315323E+22
Surface area
5.8049208614903E+15
Circumference
135043314.28519
Perimeter
85971244
Area
461940924681721
Diagonal
30395424.809722
Surface area
2771645548090326
Volume
9.9284089873495E+21
Space diagonal
37226640.649475
Perimeter
64478433
Area
2.0002628791102E+14
Altitude
18613320.324738
Surface area
2.0002628791102E+14
Volume
1.1700742202247E+21
Height
10131808.269907