21852018 is an even 8-digits composite number following 21852017
and preceding 21852019 . In scientific notation, it is written as 2.1852018 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 7283844 positive integers (up to 21852018) that are relatively prime to 21852018.
21852018 has 16 divisors, whose sum is 37769760
The reverse of 21852018 is 81025812
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million eight hundred fifty-two thousand eighteen
Scientific notation
2.1852018 × 10^7
Engineering notation
2.1852018 × 10^6
Prime Factorization
2 × 27 × 9 × 44963
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21852018
Product of the distinct prime numbers
The prime factorization of 21852018 is 2 × 27 × 9 × 44963.
Since it has a total of 4 prime factors.
8 , 10 , 57 , 93 , 671 , 953 , 7494 , 3936 , 79801 , 44283 , 388526 , 839560 , 3036902 , 5549133 , 55072317 , 55086294 , 745696784 , 247308126 , 7023338083 , 8049553375
n×2
43704036
n×3
65556054
n×4
87408072
n×5
109260090
n÷2
10926009
n÷3
7284006
n÷3
5463004.5
n÷5
4370403.6
n2
477510690672324
n3
1.0434572207764E+22
n4
2.2801645970636E+29
n5
4.9826197817997E+36
2 √n
4674.6142086808
3 √n
279.57425945134
4 √n
68.371150412149
5 √n
29.369618816104
1 , 2 , 9 , 18 , 27 , 54 , 243 , 486 , 44963 , 89926 , 404667 , 809334 , 1214001 , 2428002 , 10926009 , 21852018
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
-21852017
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 21852018 can be divided by 16 positive divisors.
The sum of these divisors (counting 21852018) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010011010110111101110010
3
Ternary
1112010012100000
4
Quaternary
1103112331302
5
Quinary
21043231033
6
Senary
2100210430
8
Octal
123267562
10
Decimal
21852018
12
Duodecimal
7399a16
16
Hexadecimal
14d6f72
20
Vigesimal
6gba0i
36
Base36
d0d4i
md5
1ee19a8a41598e5e080582c9ef5ff758
sha1
541f6e0dfb6b31d6fc5632847af21aa4067cf311
sha256
8fa0ed6a4b3e78fcda164ad2d5073763937a902fd383344f69f8447a73e0769c
sha512
a62d1fcb806deeca7b08c12b2309a18a801cf8a24b447df059932caabab0164dbf17a801843373b1127ec6741cfa6718e5ce2895cf19fef12a35a0f97a60900c
ripemd-160
c58d801472c52a79d363940321a4e376681e2e08
Diameter
43704036
Circumference
137300278.42982
Area
1.5001440778268E+15
Volume
4.3708233855018E+22
Surface area
6.000576311307E+15
Circumference
137300278.42982
Perimeter
87408072
Area
477510690672324
Diagonal
30903420.220821
Surface area
2865064144033944
Volume
1.0434572207764E+22
Space diagonal
37848805.42391
Perimeter
65556054
Area
2.0676819435044E+14
Altitude
18924402.711955
Surface area
2.0676819435044E+14
Volume
1.2297261278151E+21
Height
10301140.073607