21131517 is an odd 8-digits composite number following 21131516
and preceding 21131518 . In scientific notation, it is written as 2.1131517 × 10^7.
The sum of its digits is 21. It has a total of 5 prime factors and 32 positive divisors.
There are 12152000 positive integers (up to 21131517) that are relatively prime to 21131517.
21131517 has 32 divisors, whose sum is 32348160
The reverse of 21131517 is 71513112
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty-one million one hundred thirty-one thousand five hundred seventeen
Scientific notation
2.1131517 × 10^7
Engineering notation
2.1131517 × 10^6
Prime Factorization
3 × 11 × 29 × 71 × 311
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21131517
Product of the distinct prime numbers
The prime factorization of 21131517 is 3 × 11 × 29 × 71 × 311.
Since it has a total of 5 prime factors.
10 , 6 , 2 , 39 , 418 , 705 , 2793 , 2345 , 42417 , 76474 , 277334 , 494132 , 9205650 , 8702986 , 57882883 , 10213034 , 746866228 , 345256547 , 8518483698 , 613823043
n×2
42263034
n×3
63394551
n×4
84526068
n×5
105657585
n÷2
10565758.5
n÷3
7043839
n÷3
5282879.25
n÷5
4226303.4
n2
446541010721289
n3
9.4360889592541E+21
n4
1.9939887425599E+29
n5
4.2136007011213E+36
2 √n
4596.9029791807
3 √n
276.46716460579
4 √n
67.800464446644
5 √n
29.173338763341
1 , 3 , 11 , 29 , 33 , 71 , 87 , 213 , 311 , 319 , 781 , 933 , 957 , 2059 , 2343 , 3421 , 6177 , 9019 , 10263 , 22081 , 22649 , 27057 , 66243 , 67947 , 99209 , 242891 , 297627 , 640349 , 728673 , 1921047 , 7043839 , 21131517
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
-21131516
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 21131517 can be divided by 32 positive divisors.
The sum of these divisors (counting 21131517) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000100111000011111101
3
Ternary
1110202120222210
4
Quaternary
1100213003331
5
Quinary
20402202032
6
Senary
2032531033
8
Octal
120470375
10
Decimal
21131517
12
Duodecimal
70b0a79
16
Hexadecimal
14270fd
20
Vigesimal
6c18fh
36
Base36
ckx6l
md5
ed61cda8c8681524e59fc5e7a719abe4
sha1
cbde6c463e328fd8e5a4a9df2518ae08b0ad05b7
sha256
cee9ec4ac1a1c4cf2dd258be04fc988541bacfa1435dff5cbd5a0bf1815091a7
sha512
ce1971d88959ba6ff814b9edcae7908d3e32f94ebcda6e456c772e3b06db6c41afc5cfb03fb6bc4dfb196d866a18bb0946d00514869f0aa0d81d3d7b373435b2
ripemd-160
10734bd97c7d0e93c908f710e9f1316c2a44ed8e
Diameter
42263034
Circumference
132773237.13282
Area
1.4028499588086E+15
Volume
3.9525797004017E+22
Surface area
5.6113998352342E+15
Circumference
132773237.13282
Perimeter
84526068
Area
446541010721289
Diagonal
29884477.934918
Surface area
2679246064327734
Volume
9.4360889592541E+21
Space diagonal
36600861.085005
Perimeter
63394551
Area
1.9335792955811E+14
Altitude
18300430.542503
Surface area
1.9335792955811E+14
Volume
1.1120537484947E+21
Height
9961492.6449725