21804047 is an odd 8-digits composite number following 21804046
and preceding 21804048 . In scientific notation, it is written as 2.1804047 × 10^7.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 20477952 positive integers (up to 21804047) that are relatively prime to 21804047.
21804047 has 8 divisors, whose sum is 23135616
The reverse of 21804047 is 74040812
Previous prime number is 607
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million eight hundred four thousand forty-seven
Scientific notation
2.1804047 × 10^7
Engineering notation
2.1804047 × 10^6
Prime Factorization
17 × 607 × 2113
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21804047
Product of the distinct prime numbers
The prime factorization of 21804047 is 17 × 607 × 2113.
Since it has a total of 3 prime factors.
4 , 5 , 1 , 71 , 283 , 932 , 8061 , 9319 , 57178 , 41801 , 126446 , 863110 , 6447878 , 3940979 , 65576557 , 537957 , 33482497 , 49871185 , 5246445750 , 2352041223
n×2
43608094
n×3
65412141
n×4
87216188
n×5
109020235
n÷2
10902023.5
n÷3
7268015.6666667
n÷3
5451011.75
n÷5
4360809.4
n2
475416465578209
n3
1.0366002960041E+22
n4
2.2602081574288E+29
n5
4.928168489436E+36
2 √n
4669.4803779436
3 √n
279.36952957707
4 √n
68.33359626087
5 √n
29.3567126509
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21804046
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21804047 can be divided by 8 positive divisors.
The sum of these divisors (counting 21804047) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010011001011010000001111
3
Ternary
1112000202112022
4
Quaternary
1103023100033
5
Quinary
21040212142
6
Senary
2055200355
8
Octal
123132017
10
Decimal
21804047
12
Duodecimal
73760bb
16
Hexadecimal
14cb40f
20
Vigesimal
6g5a27
36
Base36
czc3z
md5
81076c70d5ccc5de3e73e6e1eb1c0011
sha1
0633aacd402b788815be6a7704e8f69ef3e468c9
sha256
f71165e9399a758c6c3bc652be88e03fac87b3896f2958a26b8b108ff106df21
sha512
d0e956cc07a2af3bc1d6a438c137ff8342518be72e2687acb79cd53e0944a159035704bbff7dde0848cdae9a0c269f6c4a7ba20bd95cbb37fbb681db422d1ae3
ripemd-160
f1e69e99f18fe1e0a78093078ea047ce388dbcf4
Diameter
43608094
Circumference
136998867.74745
Area
1.4935648756561E+15
Volume
4.3421011661807E+22
Surface area
5.9742595026245E+15
Circumference
136998867.74745
Perimeter
87216188
Area
475416465578209
Diagonal
30835578.98202
Surface area
2852498793469254
Volume
1.0366002960041E+22
Space diagonal
37765717.21462
Perimeter
65412141
Area
2.0586136828407E+14
Altitude
18882858.60731
Surface area
2.0586136828407E+14
Volume
1.2216451644742E+21
Height
10278526.32734