21804872 is an even 8-digits composite number following 21804871
and preceding 21804873 . In scientific notation, it is written as 2.1804872 × 10^7.
The sum of its digits is 32. It has a total of 5 prime factors and 16 positive divisors.
There are 10858000 positive integers (up to 21804872) that are relatively prime to 21804872.
21804872 has 16 divisors, whose sum is 41050800
The reverse of 21804872 is 27840812
Previous prime number is 251
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million eight hundred four thousand eight hundred seventy-two
Scientific notation
2.1804872 × 10^7
Engineering notation
2.1804872 × 10^6
Prime Factorization
2 × 2 × 2 × 251 × 10859
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5451218
Product of the distinct prime numbers
The prime factorization of 21804872 is 2 × 2 × 2 × 251 × 10859.
Since it has a total of 5 prime factors.
3 , 8 , 59 , 33 , 495 , 885 , 1218 , 8205 , 70566 , 31480 , 197712 , 559521 , 946779 , 6130621 , 39208053 , 39574142 , 398515535 , 58685286 , 5493146316 , 2935325372
n×2
43609744
n×3
65414616
n×4
87219488
n×5
109024360
n÷2
10902436
n÷3
7268290.6666667
n÷3
5451218
n÷5
4360974.4
n2
475452442936384
n3
1.0367179660315E+22
n4
2.2605502549418E+29
n5
4.9291008958572E+36
2 √n
4669.5687167018
3 √n
279.37305303543
4 √n
68.334242636483
5 √n
29.356934801599
1 , 2 , 4 , 8 , 251 , 502 , 1004 , 2008 , 10859 , 21718 , 43436 , 86872 , 2725609 , 5451218 , 10902436 , 21804872
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
-21804871
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 21804872 can be divided by 16 positive divisors.
The sum of these divisors (counting 21804872) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010011001011011101001000
3
Ternary
1112000210122212
4
Quaternary
1103023131020
5
Quinary
21040223442
6
Senary
2055204252
8
Octal
123133510
10
Decimal
21804872
12
Duodecimal
7376688
16
Hexadecimal
14cb748
20
Vigesimal
6g5c3c
36
Base36
czcqw
md5
fad925146337c039ba2f52f457a4f4e9
sha1
d60ea1f2c661280c456d8d5a33b83037f0f4a3a8
sha256
8603334e41127ee411ca7fd67c1954ff0f701de0f70cd4c28ab1777b72aa5e82
sha512
d8146ea921c07f5c761e5a626ca1dd4ebf2038abf0e5790815b9fa49196fa9a3cf12d0a80b15312f66219cd59db38a53187802ba0fdb9cba84f467c227bf65cd
ripemd-160
a182ae1ef27d1b117bb5e09a47ef8d0c7c9d75a7
Diameter
43609744
Circumference
137004051.37533
Area
1.4936779018603E+15
Volume
4.3425940612389E+22
Surface area
5.9747116074411E+15
Circumference
137004051.37533
Perimeter
87219488
Area
475452442936384
Diagonal
30836745.708209
Surface area
2852714657618304
Volume
1.0367179660315E+22
Space diagonal
37767146.156536
Perimeter
65414616
Area
2.0587694693714E+14
Altitude
18883573.078268
Surface area
2.0587694693714E+14
Volume
1.2217838399313E+21
Height
10278915.23607