21804858 is an even 8-digits composite number following 21804857
and preceding 21804859 . In scientific notation, it is written as 2.1804858 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 7268280 positive integers (up to 21804858) that are relatively prime to 21804858.
21804858 has 12 divisors, whose sum is 47243898
The reverse of 21804858 is 85840812
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-one million eight hundred four thousand eight hundred fifty-eight
Scientific notation
2.1804858 × 10^7
Engineering notation
2.1804858 × 10^6
Prime Factorization
2 × 3 × 3 × 1211381
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
7268286
Product of the distinct prime numbers
The prime factorization of 21804858 is 2 × 3 × 3 × 1211381.
Since it has a total of 4 prime factors.
1 , 2 , 66 , 1 , 981 , 38 , 7961 , 4585 , 87453 , 98649 , 843521 , 965529 , 8281725 , 3066230 , 97421591 , 34119290 , 115386572 , 328859640 , 7709315949 , 7175134925
n×2
43609716
n×3
65414574
n×4
87219432
n×5
109024290
n÷2
10902429
n÷3
7268286
n÷3
5451214.5
n÷5
4360971.6
n2
475451832400164
n3
1.0367159691325E+22
n4
2.2605444493267E+29
n5
4.9290850720258E+36
2 √n
4669.5672176338
3 √n
279.37299324415
4 √n
68.334231667838
5 √n
29.356931031825
1 , 2 , 3 , 6 , 9 , 18 , 1211381 , 2422762 , 3634143 , 7268286 , 10902429 , 21804858
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21804857
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21804858 can be divided by 12 positive divisors.
The sum of these divisors (counting 21804858) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010011001011011100111010
3
Ternary
1112000210122100
4
Quaternary
1103023130322
5
Quinary
21040223413
6
Senary
2055204230
8
Octal
123133472
10
Decimal
21804858
12
Duodecimal
7376676
16
Hexadecimal
14cb73a
20
Vigesimal
6g5c2i
36
Base36
czcqi
md5
83aee4fbbf3b06b3373d3c17e99cf773
sha1
4876d1b346ab8ab75dfa236095c0945f78a6a054
sha256
067355023768367e3e0e5ad28d6168a7bc25fd0a2c6e9c0140bbf4fef0d036b3
sha512
2b1eb72abd6e9510dbb511f11dd9c108b4996d2d643d92348f8f3c4fbb88701471a0460a5b2dd100c0227e0fad1e64ce836aef280609f98fe7aa44b632304abc
ripemd-160
06ec69e47a812bc4c561db6d304e11dca8d12b99
Diameter
43609716
Circumference
137003963.41074
Area
1.4936759838042E+15
Volume
4.342585696648E+22
Surface area
5.9747039352166E+15
Circumference
137003963.41074
Perimeter
87219432
Area
475451832400164
Diagonal
30836725.909219
Surface area
2852710994400984
Volume
1.0367159691325E+22
Space diagonal
37767121.907825
Perimeter
65414574
Area
2.058766825672E+14
Altitude
18883560.953912
Surface area
2.058766825672E+14
Volume
1.2217814865633E+21
Height
10278908.636406