21431429 is an odd 8-digits composite number following 21431428
and preceding 21431430 . In scientific notation, it is written as 2.1431429 × 10^7.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 21384480 positive integers (up to 21431429) that are relatively prime to 21431429.
21431429 has 4 divisors, whose sum is 21478380
The reverse of 21431429 is 92413412
Previous prime number is 461
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million four hundred thirty-one thousand four hundred twenty-nine
Scientific notation
2.1431429 × 10^7
Engineering notation
2.1431429 × 10^6
Prime Factorization
461 × 46489
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21431429
Product of the distinct prime numbers
The prime factorization of 21431429 is 461 × 46489.
Since it has a total of 2 prime factors.
7 , 5 , 66 , 33 , 189 , 963 , 4424 , 3434 , 4556 , 7924 , 708429 , 855593 , 7229450 , 1707289 , 2907967 , 78914323 , 691271123 , 428310288 , 617994434 , 1330957578
n×2
42862858
n×3
64294287
n×4
85725716
n×5
107157145
n÷2
10715714.5
n÷3
7143809.6666667
n÷3
5357857.25
n÷5
4286285.8
n2
459306148982041
n3
9.843587121172E+21
n4
2.1096213849271E+29
n5
4.5212200927947E+36
2 √n
4629.4091415644
3 √n
277.76895818516
4 √n
68.039761474923
5 √n
29.255681949293
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21431428
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21431429 can be divided by 4 positive divisors.
The sum of these divisors (counting 21431429) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001110000010010000101
3
Ternary
1111022211101122
4
Quaternary
1101300102011
5
Quinary
20441301204
6
Senary
2043203325
8
Octal
121602205
10
Decimal
21431429
12
Duodecimal
7216545
16
Hexadecimal
1470485
20
Vigesimal
6diib9
36
Base36
crclh
md5
46eaa41c40e43c7c0967ac6d99cbfbe5
sha1
f759c59818596fde6f508a4a8f319c90b98daae8
sha256
a48beb8993af893e97e0c3d259d2a3ea677457c566641bcc6ab5ea3df7b22f58
sha512
c97a8aef156afc7ff4bf97622ccb8319246aa2a116810c4cb9b625c141b575b94bed0d2bb6a0194d8db2193670409edd8b8dc7efa0f31e8d1b5aa74f951e640b
ripemd-160
e4d85dd66ab875389523c35416f8a962ec3c250a
Diameter
42862858
Circumference
134657639.80466
Area
1.4429528233906E+15
Volume
4.1232721313127E+22
Surface area
5.7718112935624E+15
Circumference
134657639.80466
Perimeter
85725716
Area
459306148982041
Diagonal
30308617.552836
Surface area
2755836893892246
Volume
9.843587121172E+21
Space diagonal
37120323.906805
Perimeter
64294287
Area
1.9888539656642E+14
Altitude
18560161.953403
Surface area
1.9888539656642E+14
Volume
1.1600778674302E+21
Height
10102872.517612