21131430 is an even 8-digits composite number following 21131429
and preceding 21131431 . In scientific notation, it is written as 2.1131430 × 10^7.
The sum of its digits is 15. It has a total of 5 prime factors and 32 positive divisors.
There are 5366144 positive integers (up to 21131430) that are relatively prime to 21131430.
21131430 has 32 divisors, whose sum is 35458560
The reverse of 21131430 is 03413112
Previous prime number is 107
Is Prime? no
Number parity even
Number length 8
Sum of Digits 15
Digital Root 6
Name
twenty-one million one hundred thirty-one thousand four hundred thirty
Scientific notation
2.1131430 × 10^7
Engineering notation
2.1131430 × 10^6
Prime Factorization
2 × 29 × 15 × 107 × 227
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21131430
Product of the distinct prime numbers
The prime factorization of 21131430 is 2 × 29 × 15 × 107 × 227.
Since it has a total of 5 prime factors.
9 , 10 , 75 , 40 , 431 , 116 , 2343 , 4642 , 83084 , 84187 , 825425 , 576871 , 7281144 , 445205 , 38979453 , 66573502 , 879638854 , 115828209 , 43037737 , 3373358879
n×2
42262860
n×3
63394290
n×4
84525720
n×5
105657150
n÷2
10565715
n÷3
7043810
n÷3
5282857.5
n÷5
4226286
n2
446537333844900
n3
9.4359724125301E+21
n4
1.9939559051731E+29
n5
4.2135139633252E+36
2 √n
4596.8935162781
3 √n
276.46678519343
4 √n
67.800394661669
5 √n
29.173314741548
1 , 2 , 15 , 29 , 30 , 58 , 107 , 214 , 227 , 435 , 454 , 870 , 1605 , 3103 , 3210 , 3405 , 6206 , 6583 , 6810 , 13166 , 24289 , 46545 , 48578 , 93090 , 98745 , 197490 , 364335 , 704381 , 728670 , 1408762 , 10565715 , 21131430
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21131429
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21131430 can be divided by 32 positive divisors.
The sum of these divisors (counting 21131430) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000100111000010100110
3
Ternary
1110202120212120
4
Quaternary
1100213002212
5
Quinary
20402201210
6
Senary
2032530410
8
Octal
120470246
10
Decimal
21131430
12
Duodecimal
70b0a06
16
Hexadecimal
14270a6
20
Vigesimal
6c18ba
36
Base36
ckx46
md5
f6c0a9f386f0e1677d4c5b3ed94a2449
sha1
74bedae2e84652ba11e65ff576247853317a7d50
sha256
421139edf093169a18abba601b0a547101312345cdd55f0a89685b6bffbd2c19
sha512
184462995adb8116b8cbeaccedc2a81a88d4e7ebefe1662405a1c077b8023a49e33b792beb7a700c11f412e5df73a1b2cb661e86760200f707947c43d2c2944c
ripemd-160
e1d60acf23c5d50421b5f0ec673f06ba6c529bee
Diameter
42262860
Circumference
132772690.49569
Area
1.4028384075607E+15
Volume
3.9525308814241E+22
Surface area
5.6113536302428E+15
Circumference
132772690.49569
Perimeter
84525720
Area
446537333844900
Diagonal
29884354.898338
Surface area
2679224003069400
Volume
9.4359724125301E+21
Space diagonal
36600710.396585
Perimeter
63394290
Area
1.9335633742393E+14
Altitude
18300355.198293
Surface area
1.9335633742393E+14
Volume
1.1120400133315E+21
Height
9961451.6327792