21861772 is an even 8-digits composite number following 21861771
and preceding 21861773 . In scientific notation, it is written as 2.1861772 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 6 positive divisors.
There are 10930884 positive integers (up to 21861772) that are relatively prime to 21861772.
21861772 has 6 divisors, whose sum is 38258108
The reverse of 21861772 is 27716812
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-one million eight hundred sixty-one thousand seven hundred seventy-two
Scientific notation
2.1861772 × 10^7
Engineering notation
2.1861772 × 10^6
Prime Factorization
2 × 2 × 5465443
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
10930886
Product of the distinct prime numbers
The prime factorization of 21861772 is 2 × 2 × 5465443.
Since it has a total of 3 prime factors.
5 , 10 , 88 , 64 , 888 , 589 , 805 , 5027 , 85633 , 28903 , 231463 , 912668 , 1130816 , 1625291 , 37142385 , 26919341 , 141443658 , 867042617 , 239480556 , 4979150049
n×2
43723544
n×3
65585316
n×4
87447088
n×5
109308860
n÷2
10930886
n÷3
7287257.3333333
n÷3
5465443
n÷5
4372354.4
n2
477937074979984
n3
1.0448551363559E+22
n4
2.2842384764042E+29
n5
4.9937500764777E+36
2 √n
4675.657386935
3 √n
279.61585075403
4 √n
68.378778776277
5 √n
29.372240268523
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21861771
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21861772 can be divided by 6 positive divisors.
The sum of these divisors (counting 21861772) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1010011011001010110001100
3
Ternary
1112010200201021
4
Quaternary
1103121112030
5
Quinary
21044034042
6
Senary
2100323524
8
Octal
123312614
10
Decimal
21861772
12
Duodecimal
73a35a4
16
Hexadecimal
14d958c
20
Vigesimal
6gce8c
36
Base36
d0kng
md5
40ac46a931adf9f0199bbb94429879d7
sha1
958c2041bae4258d2a15da434fde9f68185a945a
sha256
5dc66d2b5b20d5d1fd6bcde7d2afc73e058ba4318bad6cdb424fe44ce7f15167
sha512
32672608027fb3ed5221c284e4646531a3d339ed414bee88e60cfbf41985a78d2eff14faf4dc377c77f922d1afa8202cef1d33d80b8ceaade697d3be47f490ce
ripemd-160
db26916f28e772d0370fcc2856762432debde07e
Diameter
43723544
Circumference
137361564.61931
Area
1.5014836036353E+15
Volume
4.3766789605885E+22
Surface area
6.0059344145412E+15
Circumference
137361564.61931
Perimeter
87447088
Area
477937074979984
Diagonal
30917214.459908
Surface area
2867622449879904
Volume
1.0448551363559E+22
Space diagonal
37865699.847487
Perimeter
65585316
Area
2.0695282417155E+14
Altitude
18932849.923743
Surface area
2.0695282417155E+14
Volume
1.2313735871248E+21
Height
10305738.153303