21872013 is an odd 8-digits composite number following 21872012
and preceding 21872014 . In scientific notation, it is written as 2.1872013 × 10^7.
The sum of its digits is 24. It has a total of 2 prime factors and 4 positive divisors.
There are 13723584 positive integers (up to 21872013) that are relatively prime to 21872013.
21872013 has 4 divisors, whose sum is 22300928
The reverse of 21872013 is 31027812
Previous prime number is 51
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-one million eight hundred seventy-two thousand thirteen
Scientific notation
2.1872013 × 10^7
Engineering notation
2.1872013 × 10^6
Prime Factorization
51 × 428863
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21872013
Product of the distinct prime numbers
The prime factorization of 21872013 is 51 × 428863.
Since it has a total of 2 prime factors.
7 , 1 , 50 , 88 , 712 , 33 , 2167 , 9629 , 99243 , 31731 , 555159 , 773724 , 9503521 , 5995357 , 80438698 , 15655036 , 592234523 , 69699647 , 8691653629 , 9654716180
n×2
43744026
n×3
65616039
n×4
87488052
n×5
109360065
n÷2
10936006.5
n÷3
7290671
n÷3
5468003.25
n÷5
4374402.6
n2
478384952672169
n3
1.046324190385E+22
n4
2.2885216294315E+29
n5
5.0054574829708E+36
2 √n
4676.752398834
3 √n
279.65950532616
4 √n
68.386785264655
5 √n
29.3749915987
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21872012
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21872013 can be divided by 4 positive divisors.
The sum of these divisors (counting 21872013) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010011011011110110001101
3
Ternary
1112011012202120
4
Quaternary
1103123312031
5
Quinary
21044401023
6
Senary
2100443153
8
Octal
123336615
10
Decimal
21872013
12
Duodecimal
73a94b9
16
Hexadecimal
14dbd8d
20
Vigesimal
6ge00d
36
Base36
d0sjx
md5
0dcd8d594b87c9ecd30895eb7a5b790d
sha1
211d27cb77381aa718709082e3280c1843959bcc
sha256
b0dfacb192dfeb70668431fea24dff38e04ac66dc6e6050cef1440c00903c3aa
sha512
f4e7bb7e2789027ec4a665962be899c57577b3c6492e649ff684959b03ca0269d65a68b2d22df7e70641e3724e05935cfd146e857cc09a5d974987294fbf30eb
ripemd-160
a525e464f89be21d6523276c3b33ed4aec9b366e
Diameter
43744026
Circumference
137425910.72004
Area
1.5028906529028E+15
Volume
4.3828325197158E+22
Surface area
6.0115626116111E+15
Circumference
137425910.72004
Perimeter
87488052
Area
478384952672169
Diagonal
30931697.421001
Surface area
2870309716033014
Volume
1.046324190385E+22
Space diagonal
37883437.779807
Perimeter
65616039
Area
2.0714676090116E+14
Altitude
18941718.889903
Surface area
2.0714676090116E+14
Volume
1.2331048839013E+21
Height
10310565.807