21801412 is an even 8-digits composite number following 21801411
and preceding 21801413 . In scientific notation, it is written as 2.1801412 × 10^7.
The sum of its digits is 19. It has a total of 4 prime factors and 12 positive divisors.
There are 10259456 positive integers (up to 21801412) that are relatively prime to 21801412.
21801412 has 12 divisors, whose sum is 40396860
The reverse of 21801412 is 21410812
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty-one million eight hundred one thousand four hundred twelve
Scientific notation
2.1801412 × 10^7
Engineering notation
2.1801412 × 10^6
Prime Factorization
2 × 2 × 17 × 320609
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10900706
Product of the distinct prime numbers
The prime factorization of 21801412 is 2 × 2 × 17 × 320609.
Since it has a total of 4 prime factors.
6 , 4 , 66 , 22 , 838 , 952 , 4610 , 4425 , 6201 , 20936 , 792428 , 939574 , 6809737 , 39161 , 40741615 , 16048787 , 353712131 , 954850560 , 7285178988 , 3428092988
n×2
43602824
n×3
65404236
n×4
87205648
n×5
109007060
n÷2
10900706
n÷3
7267137.3333333
n÷3
5450353
n÷5
4360282.4
n2
475301565193744
n3
1.0362245247034E+22
n4
2.2591157787562E+29
n5
4.9251913848365E+36
2 √n
4669.1982181098
3 √n
279.3582752693
4 √n
68.331531653475
5 √n
29.356003069991
1 , 2 , 4 , 17 , 34 , 68 , 320609 , 641218 , 1282436 , 5450353 , 10900706 , 21801412
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21801411
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21801412 can be divided by 12 positive divisors.
The sum of these divisors (counting 21801412) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010011001010100111000100
3
Ternary
1112000121220201
4
Quaternary
1103022213010
5
Quinary
21040121122
6
Senary
2055140244
8
Octal
123124704
10
Decimal
21801412
12
Duodecimal
7374684
16
Hexadecimal
14ca9c4
20
Vigesimal
6g53ac
36
Base36
cza2s
md5
eba9fb873664d009cea841554f73f23d
sha1
e92a57da11f4e001e20448dc037bae4b131a1abc
sha256
1966deb58ad021856be29d86207120b52291235f58f157cd8d8c306e59a7b4f7
sha512
53cee9bf4a2de0f860a5e46214f5b95709f392a4811dd2ca5f2ce29a37772b86349b63f157daeef6cb4f9f2f4bb5a602722316bba82a6ddcfb9f86c29c2099a4
ripemd-160
bd45b2d8b950d35d332819995d49fce846765dfb
Diameter
43602824
Circumference
136982311.55417
Area
1.4932039054524E+15
Volume
4.3405271390369E+22
Surface area
5.9728156218096E+15
Circumference
136982311.55417
Perimeter
87205648
Area
475301565193744
Diagonal
30831852.529284
Surface area
2851809391162464
Volume
1.0362245247034E+22
Space diagonal
37761153.260742
Perimeter
65404236
Area
2.0581161495814E+14
Altitude
18880576.630371
Surface area
2.0581161495814E+14
Volume
1.2212023137493E+21
Height
10277284.176428