21836215 is an odd 8-digits composite number following 21836214
and preceding 21836216 . In scientific notation, it is written as 2.1836215 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 17468968 positive integers (up to 21836215) that are relatively prime to 21836215.
21836215 has 4 divisors, whose sum is 26203464
The reverse of 21836215 is 51263812
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million eight hundred thirty-six thousand two hundred fifteen
Scientific notation
2.1836215 × 10^7
Engineering notation
2.1836215 × 10^6
Prime Factorization
5 × 4367243
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21836215
Product of the distinct prime numbers
The prime factorization of 21836215 is 5 × 4367243.
Since it has a total of 2 prime factors.
3 , 4 , 77 , 81 , 938 , 630 , 9137 , 9682 , 886 , 38474 , 811949 , 562512 , 664092 , 2734846 , 84809990 , 25426923 , 19047949 , 364916862 , 6511884388 , 1241745496
n×2
43672430
n×3
65508645
n×4
87344860
n×5
109181075
n÷2
10918107.5
n÷3
7278738.3333333
n÷3
5459053.75
n÷5
4367243
n2
476820285526225
n3
1.0411950271112E+22
n4
2.2735758468931E+29
n5
4.9646291011565E+36
2 √n
4672.9236030562
3 √n
279.50684878193
4 √n
68.358785851244
5 √n
29.365369667086
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21836214
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21836215 can be divided by 4 positive divisors.
The sum of these divisors (counting 21836215) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010011010011000110110111
3
Ternary
1112002101122201
4
Quaternary
1103103012313
5
Quinary
21042224330
6
Senary
2100005331
8
Octal
123230667
10
Decimal
21836215
12
Duodecimal
7390847
16
Hexadecimal
14d31b7
20
Vigesimal
6g9aaf
36
Base36
d00xj
md5
ed4211f1547054f450ac522c69f42eb4
sha1
22126ab7d1ef109c37e1c42cd6b94839a4fd6f46
sha256
32a9fd44ee39d39fa42ab5693cab183c49abb354b8aa6a52dbd150c9718fbedf
sha512
86156d1ed72af6889bde186567816ed5b73f9cbdb5537883ffc7786205125bd0f5ff90379d52700d2413ff992f91275789fc6e06faa1ae388c93a3a6b0d83b5f
ripemd-160
7c8459549d9d93919be1a6bb7ce5e4a1ccb86a03
Diameter
43672430
Circumference
137200985.25241
Area
1.4979751060918E+15
Volume
4.3613475308357E+22
Surface area
5.9919004243671E+15
Circumference
137200985.25241
Perimeter
87344860
Area
476820285526225
Diagonal
30881071.403895
Surface area
2860921713157350
Volume
1.0411950271112E+22
Space diagonal
37821433.824998
Perimeter
65508645
Area
2.0646924015273E+14
Altitude
18910716.912499
Surface area
2.0646924015273E+14
Volume
1.2270601070134E+21
Height
10293690.467965