21271005 is an odd 8-digits composite number following 21271004
and preceding 21271006 . In scientific notation, it is written as 2.1271005 × 10^7.
The sum of its digits is 18. It has a total of 5 prime factors and 32 positive divisors.
There are 9331200 positive integers (up to 21271005) that are relatively prime to 21271005.
21271005 has 32 divisors, whose sum is 29998080
The reverse of 21271005 is 50017212
Previous prime number is 27
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty-one million two hundred seventy-one thousand five
Scientific notation
2.1271005 × 10^7
Engineering notation
2.1271005 × 10^6
Prime Factorization
5 × 9 × 287 × 27 × 61
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21271005
Product of the distinct prime numbers
The prime factorization of 21271005 is 5 × 9 × 287 × 27 × 61.
Since it has a total of 5 prime factors.
1 , 3 , 81 , 1 , 119 , 893 , 5147 , 2365 , 31997 , 34096 , 100194 , 118136 , 7634443 , 5840363 , 73709201 , 65286383 , 125497715 , 716368683 , 9338777663 , 2436893562
n×2
42542010
n×3
63813015
n×4
85084020
n×5
106355025
n÷2
10635502.5
n÷3
7090335
n÷3
5317751.25
n÷5
4254201
n2
452455653710025
n3
9.6241864723442E+21
n4
2.0471611857417E+29
n5
4.3545175817717E+36
2 √n
4612.0499780466
3 √n
277.07414593817
4 √n
67.91207534781
5 √n
29.211751797898
1 , 5 , 9 , 27 , 45 , 61 , 135 , 243 , 287 , 305 , 549 , 1215 , 1435 , 1647 , 2583 , 2745 , 7749 , 8235 , 12915 , 14823 , 17507 , 38745 , 69741 , 74115 , 87535 , 157563 , 348705 , 472689 , 787815 , 2363445 , 4254201 , 21271005
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
-21271004
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 21271005 can be divided by 32 positive divisors.
The sum of these divisors (counting 21271005) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010001001001000111011101
3
Ternary
1111000200100000
4
Quaternary
1101021013131
5
Quinary
20421133010
6
Senary
2035524513
8
Octal
121110735
10
Decimal
21271005
12
Duodecimal
7159739
16
Hexadecimal
14491dd
20
Vigesimal
6ciha5
36
Base36
cnwt9
md5
ba7cf4f5dd277ad16e05b270b58473f0
sha1
d1ac44f1b5e3329598216aa70d0314a3931a1310
sha256
dc05557b53884ef788f82987b2099dbb3db6a5254dc0a6d9cbe305cc9b0e8593
sha512
e6f6f2ed36f5067953be0023760131ccc4cd123b436f73b6c6f1b2c0b74624af1f8b6570eb1b2e70cba1431e763cb5dc449e2c75b342abe1465a939bfae18af0
ripemd-160
d08adffbc611e79ce63b5caddda635cc2905cf79
Diameter
42542010
Circumference
133649666.08494
Area
1.4214313577706E+15
Volume
4.0313698024393E+22
Surface area
5.6857254310823E+15
Circumference
133649666.08494
Perimeter
85084020
Area
452455653710025
Diagonal
30081743.756306
Surface area
2714733922260150
Volume
9.6241864723442E+21
Space diagonal
36842461.388052
Perimeter
63813015
Area
1.9591904509939E+14
Altitude
18421230.694026
Surface area
1.9591904509939E+14
Volume
1.1342212529997E+21
Height
10027247.918769