21431418 is an even 8-digits composite number following 21431417
and preceding 21431419 . In scientific notation, it is written as 2.1431418 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 7127936 positive integers (up to 21431418) that are relatively prime to 21431418.
21431418 has 16 divisors, whose sum is 42958080
The reverse of 21431418 is 81413412
Previous prime number is 479
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-one million four hundred thirty-one thousand four hundred eighteen
Scientific notation
2.1431418 × 10^7
Engineering notation
2.1431418 × 10^6
Prime Factorization
2 × 3 × 479 × 7457
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21431418
Product of the distinct prime numbers
The prime factorization of 21431418 is 2 × 3 × 479 × 7457.
Since it has a total of 4 prime factors.
6 , 4 , 41 , 42 , 740 , 627 , 9144 , 231 , 13094 , 92256 , 384074 , 530880 , 1733518 , 4069335 , 14594099 , 56987423 , 768628025 , 555265884 , 9945309608 , 3040755453
n×2
42862836
n×3
64294254
n×4
85725672
n×5
107157090
n÷2
10715709
n÷3
7143806
n÷3
5357854.5
n÷5
4286283.6
n2
459305677490724
n3
9.8435719640769E+21
n4
2.1096170537521E+29
n5
4.521208489889E+36
2 √n
4629.4079535077
3 √n
277.76891066214
4 √n
68.039752744316
5 √n
29.25567894611
1 , 2 , 3 , 6 , 479 , 958 , 1437 , 2874 , 7457 , 14914 , 22371 , 44742 , 3571903 , 7143806 , 10715709 , 21431418
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
-21431417
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 21431418 can be divided by 16 positive divisors.
The sum of these divisors (counting 21431418) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001110000010001111010
3
Ternary
1111022211101020
4
Quaternary
1101300101322
5
Quinary
20441301133
6
Senary
2043203310
8
Octal
121602172
10
Decimal
21431418
12
Duodecimal
7216536
16
Hexadecimal
147047a
20
Vigesimal
6diiai
36
Base36
crcl6
md5
b952108656a1357d4e05d1ed8d1d019a
sha1
b7a7d7ad92f8603691cf68baa1cd47193c2653d3
sha256
9c6f27b371b44fa1e23f3affb374530e63a2f12bf37274ab7ce191a54c5218ec
sha512
29a1ccaf905c01851570fabad19fbd0e39e1ddd9ca24d9a8b9572001fafdff7ee3c10f0fc8269037eb4cb6b219fe94de5e21024c692d6f03a01e3a6980f69e26
ripemd-160
c0653a8cb575d1027b6d461f68324d64b6883e58
Diameter
42862836
Circumference
134657570.68962
Area
1.4429513421569E+15
Volume
4.1232657823235E+22
Surface area
5.7718053686278E+15
Circumference
134657570.68962
Perimeter
85725672
Area
459305677490724
Diagonal
30308601.996487
Surface area
2755834064944344
Volume
9.8435719640769E+21
Space diagonal
37120304.854246
Perimeter
64294254
Area
1.9888519240469E+14
Altitude
18560152.427123
Surface area
1.9888519240469E+14
Volume
1.1600760811494E+21
Height
10102867.332162