21431448 is an even 8-digits composite number following 21431447
and preceding 21431449 . In scientific notation, it is written as 2.1431448 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 16 positive divisors.
There are 7143792 positive integers (up to 21431448) that are relatively prime to 21431448.
21431448 has 16 divisors, whose sum is 44649000
The reverse of 21431448 is 84413412
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million four hundred thirty-one thousand four hundred forty-eight
Scientific notation
2.1431448 × 10^7
Engineering notation
2.1431448 × 10^6
Prime Factorization
2 × 2 × 2 × 9 × 297659
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5357862
Product of the distinct prime numbers
The prime factorization of 21431448 is 2 × 2 × 2 × 9 × 297659.
Since it has a total of 5 prime factors.
8 , 1 , 21 , 91 , 608 , 750 , 6841 , 3356 , 75343 , 30574 , 836501 , 2056 , 736498 , 6061635 , 59609609 , 11478619 , 294455873 , 485534387 , 8550646778 , 2157045827
n×2
42862896
n×3
64294344
n×4
85725792
n×5
107157240
n÷2
10715724
n÷3
7143816
n÷3
5357862
n÷5
4286289.6
n2
459306963376704
n3
9.8436133016457E+21
n4
2.1096288660633E+29
n5
4.5212401342334E+36
2 √n
4629.4111936617
3 √n
277.76904027035
4 √n
68.039776555054
5 √n
29.255687136607
1 , 2 , 4 , 8 , 9 , 18 , 36 , 72 , 297659 , 595318 , 1190636 , 2381272 , 2678931 , 5357862 , 10715724 , 21431448
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
-21431447
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 21431448 can be divided by 16 positive divisors.
The sum of these divisors (counting 21431448) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001110000010010011000
3
Ternary
1111022211102100
4
Quaternary
1101300102120
5
Quinary
20441301243
6
Senary
2043203400
8
Octal
121602230
10
Decimal
21431448
12
Duodecimal
7216560
16
Hexadecimal
1470498
20
Vigesimal
6diic8
36
Base36
crcm0
md5
3d7cad0fbd432497a270b5400df6473c
sha1
eee4e82884fd44df4295e4f3fae9019fe441846b
sha256
5afce831092ee6676c693ffaf036fe00768c1693147d61116cae2f9eeda433ce
sha512
dcc988db29b8b7bc68567104fd2b3f3de0884e7d96e76c1e4442ff0ad7a975d08eb5ef3c2c6807941dfb8109f5902b96bf6d25a9859df61ee82eb716e876c502
ripemd-160
9280afdfbd8e5c8aeeec32c8f5d14648b4a7feb7
Diameter
42862896
Circumference
134657759.18518
Area
1.4429553818869E+15
Volume
4.1232830977639E+22
Surface area
5.7718215275476E+15
Circumference
134657759.18518
Perimeter
85725792
Area
459306963376704
Diagonal
30308644.422894
Surface area
2755841780260224
Volume
9.8436133016457E+21
Space diagonal
37120356.81577
Perimeter
64294344
Area
1.9888574920966E+14
Altitude
18560178.407885
Surface area
1.9888574920966E+14
Volume
1.1600809528286E+21
Height
10102881.474298