21431144 is an even 8-digits composite number following 21431143
and preceding 21431145 . In scientific notation, it is written as 2.1431144 × 10^7.
The sum of its digits is 20. It has a total of 6 prime factors and 32 positive divisors.
There are 9097920 positive integers (up to 21431144) that are relatively prime to 21431144.
21431144 has 32 divisors, whose sum is 46358400
The reverse of 21431144 is 44113412
Previous prime number is 109
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty-one million four hundred thirty-one thousand one hundred forty-four
Scientific notation
2.1431144 × 10^7
Engineering notation
2.1431144 × 10^6
Prime Factorization
2 × 2 × 2 × 7 × 109 × 3511
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5357786
Product of the distinct prime numbers
The prime factorization of 21431144 is 2 × 2 × 2 × 7 × 109 × 3511.
Since it has a total of 6 prime factors.
1 , 7 , 80 , 29 , 405 , 800 , 8159 , 9576 , 84324 , 57985 , 300406 , 270877 , 8616695 , 6923334 , 28594488 , 37536746 , 313610208 , 650263610 , 8224364454 , 591201022
n×2
42862288
n×3
64293432
n×4
85724576
n×5
107155720
n÷2
10715572
n÷3
7143714.6666667
n÷3
5357786
n÷5
4286228.8
n2
459293933148736
n3
9.8431944196369E+21
n4
2.1095091702724E+29
n5
4.5209194797427E+36
2 √n
4629.3783599961
3 √n
277.76772690152
4 √n
68.039535271753
5 √n
29.255604139141
1 , 2 , 4 , 7 , 8 , 14 , 28 , 56 , 109 , 218 , 436 , 763 , 872 , 1526 , 3052 , 3511 , 6104 , 7022 , 14044 , 24577 , 28088 , 49154 , 98308 , 196616 , 382699 , 765398 , 1530796 , 2678893 , 3061592 , 5357786 , 10715572 , 21431144
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
-21431143
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 21431144 can be divided by 32 positive divisors.
The sum of these divisors (counting 21431144) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010001110000001101101000
3
Ternary
1111022211000002
4
Quaternary
1101300031220
5
Quinary
20441244034
6
Senary
2043202132
8
Octal
121601550
10
Decimal
21431144
12
Duodecimal
7216348
16
Hexadecimal
1470368
20
Vigesimal
6dihh4
36
Base36
crcdk
md5
d9ebf2c4ca2e0d7f3c68473f7ce100fe
sha1
65bf9bb31f198fb048fb0ed5329c2a64213e1b5e
sha256
e202bae65f3adb32e5b4e9e7eb920f4188845b17baa62502cce4ea3a5eac125f
sha512
6d2989c439de994d88023f453e625656e94db25c724536e2060cb3425a91ae73459ee05c7e8c432b9cc29bb6b1dd73fd6b57c66176bb378b47374cfe1f13a9d2
ripemd-160
259a14bd6b7d59ab210b59d24d45ab70206d3f96
Diameter
42862288
Circumference
134655849.09685
Area
1.4429144462184E+15
Volume
4.1231076368783E+22
Surface area
5.7716577848737E+15
Circumference
134655849.09685
Perimeter
85724576
Area
459293933148736
Diagonal
30308214.501971
Surface area
2755763598892416
Volume
9.8431944196369E+21
Space diagonal
37119830.272325
Perimeter
64293432
Area
1.9888010695544E+14
Altitude
18559915.136162
Surface area
1.9888010695544E+14
Volume
1.1600315871105E+21
Height
10102738.167324