21086444 is an even 8-digits composite number following 21086443
and preceding 21086445 . In scientific notation, it is written as 2.1086444 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors.
There are 10528848 positive integers (up to 21086444) that are relatively prime to 21086444.
21086444 has 12 divisors, whose sum is 36951600
The reverse of 21086444 is 44468012
Previous prime number is 6359
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million eighty-six thousand four hundred forty-four
Scientific notation
2.1086444 × 10^7
Engineering notation
2.1086444 × 10^6
Prime Factorization
2 × 2 × 6359 × 829
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10543222
Product of the distinct prime numbers
The prime factorization of 21086444 is 2 × 2 × 6359 × 829.
Since it has a total of 4 prime factors.
4 , 3 , 93 , 77 , 75 , 637 , 9208 , 1660 , 28641 , 63901 , 661226 , 440079 , 5947972 , 6986074 , 48251829 , 73757371 , 915383887 , 178677648 , 6556323305 , 2825378824
n×2
42172888
n×3
63259332
n×4
84345776
n×5
105432220
n÷2
10543222
n÷3
7028814.6666667
n÷3
5271611
n÷5
4217288.8
n2
444638120565136
n3
9.375836829562E+21
n4
1.977030582597E+29
n5
4.1688544666218E+36
2 √n
4591.9978222991
3 √n
276.27045882209
4 √n
67.764281316186
5 √n
29.160882930463
1 , 2 , 4 , 829 , 1658 , 3316 , 6359 , 12718 , 25436 , 5271611 , 10543222 , 21086444
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
-21086443
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 21086444 can be divided by 12 positive divisors.
The sum of these divisors (counting 21086444) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000011100000011101100
3
Ternary
1110200022011102
4
Quaternary
1100130003230
5
Quinary
20344231234
6
Senary
2031542232
8
Octal
120340354
10
Decimal
21086444
12
Duodecimal
708a978
16
Hexadecimal
141c0ec
20
Vigesimal
6bfg24
36
Base36
cjyek
md5
1fc40be3e627647c8c83ec4e3999e3d5
sha1
5fae8b0ebc8447b2d55316f8fda0250b677673c3
sha256
4641de0a5ab33afc69e8f81c47e15710167e890d4f4215017f58362ec56b4a6f
sha512
bc641f28dbd7be085c9b7feb476cc1624cb9b418cffb2f957081c64543aac35855cfc8118bf13b551ceabae21005b446939275a2ea9566c3e93c9f3ae5054387
ripemd-160
1361aaaeafe73aabfc7b375b89202d7ca237e335
Diameter
42172888
Circumference
132490035.12147
Area
1.3968718530734E+15
Volume
3.9273413473345E+22
Surface area
5.5874874122936E+15
Circumference
132490035.12147
Perimeter
84345776
Area
444638120565136
Diagonal
29820735.087021
Surface area
2667828723390816
Volume
9.375836829562E+21
Space diagonal
36522792.358956
Perimeter
63259332
Area
1.9253395395019E+14
Altitude
18261396.179478
Surface area
1.9253395395019E+14
Volume
1.1049529669136E+21
Height
9940245.0290069