21431425 is an odd 8-digits composite number following 21431424
and preceding 21431426 . In scientific notation, it is written as 2.1431425 × 10^7.
The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors.
There are 17107520 positive integers (up to 21431425) that are relatively prime to 21431425.
21431425 has 8 divisors, whose sum is 22337640
The reverse of 21431425 is 52413412
Previous prime number is 773
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty-one million four hundred thirty-one thousand four hundred twenty-five
Scientific notation
2.1431425 × 10^7
Engineering notation
2.1431425 × 10^6
Prime Factorization
25 × 773 × 1109
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21431425
Product of the distinct prime numbers
The prime factorization of 21431425 is 25 × 773 × 1109.
Since it has a total of 3 prime factors.
9 , 2 , 32 , 65 , 434 , 820 , 6905 , 423 , 85691 , 99381 , 769932 , 941489 , 9933042 , 5515500 , 54199833 , 41612839 , 133535034 , 657688256 , 4843757356 , 4004513675
n×2
42862850
n×3
64294275
n×4
85725700
n×5
107157125
n÷2
10715712.5
n÷3
7143808.3333333
n÷3
5357856.25
n÷5
4286285
n2
459305977530625
n3
9.8435816094993E+21
n4
2.1096198099536E+29
n5
4.5212158735535E+36
2 √n
4629.4087095438
3 √n
277.76894090406
4 √n
68.039758300157
5 √n
29.255680857227
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
-21431424
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 21431425 can be divided by 8 positive divisors.
The sum of these divisors (counting 21431425) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001110000010010000001
3
Ternary
1111022211101111
4
Quaternary
1101300102001
5
Quinary
20441301200
6
Senary
2043203321
8
Octal
121602201
10
Decimal
21431425
12
Duodecimal
7216541
16
Hexadecimal
1470481
20
Vigesimal
6diib5
36
Base36
crcld
md5
290f97d292c904a3d9114c0954ebeea9
sha1
d2efd9f567e656f61d1f94015f08a461489717c6
sha256
ea92ef260c471b59e69820321be15f76b8ad0e3ed9266aafd486b424cd06cd5c
sha512
f1134a877e775173d124bc42286b6196ca3e8203b00f07b2333f5653e72a6d4e335470fe53bdc1cd221b34925df6ad73f1a21ed706d5a2f87c48a9eae63a54cf
ripemd-160
9fe6a6f83bff9a3ea8d3bf070f0e879077b4d841
Diameter
42862850
Circumference
134657614.67192
Area
1.4429522847601E+15
Volume
4.1232698225886E+22
Surface area
5.7718091390404E+15
Circumference
134657614.67192
Perimeter
85725700
Area
459305977530625
Diagonal
30308611.895982
Surface area
2755835865183750
Volume
9.8435816094993E+21
Space diagonal
37120316.978602
Perimeter
64294275
Area
1.9888532232578E+14
Altitude
18560158.489301
Surface area
1.9888532232578E+14
Volume
1.1600772178734E+21
Height
10102870.631994