21431804 is an even 8-digits composite number following 21431803
and preceding 21431805 . In scientific notation, it is written as 2.1431804 × 10^7.
The sum of its digits is 23. It has a total of 4 prime factors and 12 positive divisors.
There are 10706544 positive integers (up to 21431804) that are relatively prime to 21431804.
21431804 has 12 divisors, whose sum is 37538424
The reverse of 21431804 is 40813412
Previous prime number is 2683
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty-one million four hundred thirty-one thousand eight hundred four
Scientific notation
2.1431804 × 10^7
Engineering notation
2.1431804 × 10^6
Prime Factorization
2 × 2 × 2683 × 1997
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10715902
Product of the distinct prime numbers
The prime factorization of 21431804 is 2 × 2 × 2683 × 1997.
Since it has a total of 4 prime factors.
10 , 5 , 22 , 99 , 934 , 480 , 7112 , 341 , 51007 , 57999 , 626998 , 42271 , 2504431 , 1658342 , 77885664 , 855682 , 644855821 , 677751079 , 5418942063 , 9958897078
n×2
42863608
n×3
64295412
n×4
85727216
n×5
107159020
n÷2
10715902
n÷3
7143934.6666667
n÷3
5357951
n÷5
4286360.8
n2
459322222694416
n3
9.8441038496311E+21
n4
2.1097690426094E+29
n5
4.5216156606472E+36
2 √n
4629.4496433161
3 √n
277.77057827859
4 √n
68.040059107236
5 √n
29.255784329811
1 , 2 , 4 , 1997 , 2683 , 3994 , 5366 , 7988 , 10732 , 5357951 , 10715902 , 21431804
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
-21431803
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 21431804 can be divided by 12 positive divisors.
The sum of these divisors (counting 21431804) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010001110000010111111100
3
Ternary
1111022211220112
4
Quaternary
1101300113330
5
Quinary
20441304204
6
Senary
2043205152
8
Octal
121602774
10
Decimal
21431804
12
Duodecimal
72167b8
16
Hexadecimal
14705fc
20
Vigesimal
6dija4
36
Base36
crcvw
md5
767cfaf1d8a72d0dfbb9c0947dffff6f
sha1
4f97f16eef06929db5e79d899306b90a695ac191
sha256
8fcc99cf16457424af28a81519fcf14377909912f1044156a8c9af0e2f37110e
sha512
7f271573efa9506c64ec6b2a660394aba44bde018f9301612c38ef5fc9dce4a77c16f627cac9e4b85189a81c2fa835c2f27247c9037b3da9a705aa95ec5a91f8
ripemd-160
a47d731507df2aead32d3d4784e4d514f08360ad
Diameter
42863608
Circumference
134659995.99915
Area
1.4430033204473E+15
Volume
4.1234885780235E+22
Surface area
5.7720132817892E+15
Circumference
134659995.99915
Perimeter
85727216
Area
459322222694416
Diagonal
30309147.882922
Surface area
2755933336166496
Volume
9.8441038496311E+21
Space diagonal
37120973.425858
Perimeter
64295412
Area
1.9889235668805E+14
Altitude
18560486.712929
Surface area
1.9889235668805E+14
Volume
1.1601387644631E+21
Height
10103049.294307