21804580 is an even 8-digits composite number following 21804579
and preceding 21804581 . In scientific notation, it is written as 2.1804580 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors.
There are 7475808 positive integers (up to 21804580) that are relatively prime to 21804580.
21804580 has 12 divisors, whose sum is 39248496
The reverse of 21804580 is 08540812
Previous prime number is 35
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million eight hundred four thousand five hundred eighty
Scientific notation
2.1804580 × 10^7
Engineering notation
2.1804580 × 10^6
Prime Factorization
2 × 2 × 35 × 155747
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10902290
Product of the distinct prime numbers
The prime factorization of 21804580 is 2 × 2 × 35 × 155747.
Since it has a total of 4 prime factors.
1 , 9 , 86 , 64 , 388 , 612 , 4077 , 3153 , 50964 , 49510 , 674653 , 395789 , 3480147 , 7722441 , 22101808 , 82089211 , 865738357 , 274575366 , 4018102591 , 503381362
n×2
43609160
n×3
65413740
n×4
87218320
n×5
109022900
n÷2
10902290
n÷3
7268193.3333333
n÷3
5451145
n÷5
4360916
n2
475439708976400
n3
1.0366763169553E+22
n4
2.2604291687156E+29
n5
4.9287708643594E+36
2 √n
4669.5374503263
3 √n
279.37180595487
4 √n
68.334013860788
5 √n
29.356856174484
1 , 2 , 4 , 35 , 70 , 140 , 155747 , 311494 , 622988 , 5451145 , 10902290 , 21804580
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
-21804579
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 21804580 can be divided by 12 positive divisors.
The sum of these divisors (counting 21804580) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010011001011011000100100
3
Ternary
1112000210021001
4
Quaternary
1103023120210
5
Quinary
21040221310
6
Senary
2055203044
8
Octal
123133044
10
Decimal
21804580
12
Duodecimal
7376484
16
Hexadecimal
14cb624
20
Vigesimal
6g5b90
36
Base36
czcis
md5
ceee6421283783eeac97db0d54b16bb4
sha1
c5d70ea5cc9a05fe0bb61ac74d151e3516743c0c
sha256
1b52ae797f91cf6401830e8d2e9138621e7f2cf0f073ad8182cb5c084272081e
sha512
507009606f4ea489faece7a26130cb8bc6c6c4a5efc35290ef964d895d98192c06a68755820b190ae86589889ceca041487be70bf485abf7819e145b12d7be61
ripemd-160
f2ffe3f5c3e59a29d8616ce79c419e1051e58854
Diameter
43609160
Circumference
137002216.68522
Area
1.4936378969451E+15
Volume
4.3424196019962E+22
Surface area
5.9745515877805E+15
Circumference
137002216.68522
Perimeter
87218320
Area
475439708976400
Diagonal
30836332.757849
Surface area
2852638253858400
Volume
1.0366763169553E+22
Space diagonal
37766640.3977
Perimeter
65413740
Area
2.0587143297072E+14
Altitude
18883320.19885
Surface area
2.0587143297072E+14
Volume
1.2217347560243E+21
Height
10278777.58595