21836245 is an odd 8-digits composite number following 21836244
and preceding 21836246 . In scientific notation, it is written as 2.1836245 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 15909120 positive integers (up to 21836245) that are relatively prime to 21836245.
21836245 has 16 divisors, whose sum is 28643328
The reverse of 21836245 is 54263812
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million eight hundred thirty-six thousand two hundred forty-five
Scientific notation
2.1836245 × 10^7
Engineering notation
2.1836245 × 10^6
Prime Factorization
31 × 5 × 17 × 8287
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21836245
Product of the distinct prime numbers
The prime factorization of 21836245 is 31 × 5 × 17 × 8287.
Since it has a total of 4 prime factors.
1 , 5 , 13 , 54 , 738 , 739 , 535 , 3007 , 33974 , 50061 , 120968 , 233172 , 4258907 , 5279486 , 50913011 , 55667446 , 989563102 , 918293785 , 9333121713 , 20113467
n×2
43672490
n×3
65508735
n×4
87344980
n×5
109181225
n÷2
10918122.5
n÷3
7278748.3333333
n÷3
5459061.25
n÷5
4367249
n2
476821595700025
n3
1.0411993184997E+22
n4
2.2735883412592E+29
n5
4.9646632048879E+36
2 √n
4672.926813037
3 √n
279.50697678338
4 √n
68.358809330159
5 √n
29.365377735889
1 , 5 , 17 , 31 , 85 , 155 , 527 , 2635 , 8287 , 41435 , 140879 , 256897 , 704395 , 1284485 , 4367249 , 21836245
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21836244
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21836245 can be divided by 16 positive divisors.
The sum of these divisors (counting 21836245) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010011010011000111010101
3
Ternary
1112002101200211
4
Quaternary
1103103013111
5
Quinary
21042224440
6
Senary
2100005421
8
Octal
123230725
10
Decimal
21836245
12
Duodecimal
7390871
16
Hexadecimal
14d31d5
20
Vigesimal
6g9ac5
36
Base36
d00yd
md5
49287943dbdf6bc0194e3713fa263c1f
sha1
b27b12e36364c740821b10b525cb865002826268
sha256
226df9844dde7dd9fce164785ba707b921cfeecf7b24346ff490de58c41cbc49
sha512
46be44d1704eda4dbd3335fccbf2317a8eaebaf370b4dad35b5750e96d04a0f8c92e6d30a708e1df52bba51db1ce6696a73a7bb0de6f1b0927b9d133727bd578
ripemd-160
7433b8f5300c4f7b210f3e34dd2ec0c066a9f0ba
Diameter
43672490
Circumference
137201173.74797
Area
1.4979792221242E+15
Volume
4.3613655065617E+22
Surface area
5.9919168884966E+15
Circumference
137201173.74797
Perimeter
87344980
Area
476821595700025
Diagonal
30881113.830302
Surface area
2860929574200150
Volume
1.0411993184997E+22
Space diagonal
37821485.786522
Perimeter
65508735
Area
2.0646980747463E+14
Altitude
18910742.893261
Surface area
2.0646980747463E+14
Volume
1.2270651644632E+21
Height
10293704.610101