21031429 is an odd 8-digits composite number following 21031428
and preceding 21031430 . In scientific notation, it is written as 2.1031429 × 10^7.
The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors.
There are 19985616 positive integers (up to 21031429) that are relatively prime to 21031429.
21031429 has 8 divisors, whose sum is 22103840
The reverse of 21031429 is 92413012
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty-one million thirty-one thousand four hundred twenty-nine
Scientific notation
2.1031429 × 10^7
Engineering notation
2.1031429 × 10^6
Prime Factorization
37 × 43 × 13219
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21031429
Product of the distinct prime numbers
The prime factorization of 21031429 is 37 × 43 × 13219.
Since it has a total of 3 prime factors.
4 , 4 , 61 , 54 , 777 , 713 , 5527 , 8524 , 82918 , 21787 , 610794 , 998960 , 4080003 , 4238734 , 71466715 , 52759256 , 33330789 , 146135017 , 575865062 , 9839727693
n×2
42062858
n×3
63094287
n×4
84125716
n×5
105157145
n÷2
10515714.5
n÷3
7010476.3333333
n÷3
5257857.25
n÷5
4206285.8
n2
442321005782041
n3
9.3026428283136E+21
n4
1.9564787215604E+29
n5
4.1147543322508E+36
2 √n
4586.0035979053
3 √n
276.02998431506
4 √n
67.720038377907
5 √n
29.145650747671
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21031428
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21031429 can be divided by 8 positive divisors.
The sum of these divisors (counting 21031429) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000001110101000000101
3
Ternary
1110120111200211
4
Quaternary
1100032220011
5
Quinary
20341001204
6
Senary
2030435421
8
Octal
120165005
10
Decimal
21031429
12
Duodecimal
7062b71
16
Hexadecimal
140ea05
20
Vigesimal
6b8ib9
36
Base36
ciryd
md5
db3a36f6cde547e44205330be4fa13aa
sha1
8b20c78fe43b5a864bbd8b132224442a3b1e9626
sha256
61f141c0396a437f4c3d4503f40943689486803b7010b28daa554c2a4da53fe3
sha512
12b27b127e68c4b27b2cbbc1cdfbd04a95852e7a378d3682444d390103d9f77e6f37a4ff7e8c4d04f129c42f59b4d1ad42550482483c3987ee69cc4f12cab616
ripemd-160
cc164e9fc2e115e57374ecd359ccd92525cf4922
Diameter
42062858
Circumference
132144365.68179
Area
1.3895924222933E+15
Volume
3.8966819157866E+22
Surface area
5.5583696891732E+15
Circumference
132144365.68179
Perimeter
84125716
Area
442321005782041
Diagonal
29742932.127887
Surface area
2653926034692246
Volume
9.3026428283136E+21
Space diagonal
36427503.583778
Perimeter
63094287
Area
1.9153061381737E+14
Altitude
18213751.791889
Surface area
1.9153061381737E+14
Volume
1.0963269711428E+21
Height
9914310.7092956