21622287 is an odd 8-digits composite number following 21622286
and preceding 21622288 . In scientific notation, it is written as 2.1622287 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 14401152 positive integers (up to 21622287) that are relatively prime to 21622287.
21622287 has 8 divisors, whose sum is 28857136
The reverse of 21622287 is 78222612
Previous prime number is 1297
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million six hundred twenty-two thousand two hundred eighty-seven
Scientific notation
2.1622287 × 10^7
Engineering notation
2.1622287 × 10^6
Prime Factorization
3 × 1297 × 5557
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21622287
Product of the distinct prime numbers
The prime factorization of 21622287 is 3 × 1297 × 5557.
Since it has a total of 3 prime factors.
4 , 10 , 41 , 16 , 671 , 595 , 8747 , 8618 , 23060 , 72904 , 941723 , 238835 , 1456277 , 1266273 , 75215098 , 11077492 , 59577275 , 540494021 , 5854531975 , 1500454392
n×2
43244574
n×3
64866861
n×4
86489148
n×5
108111435
n÷2
10811143.5
n÷3
7207429
n÷3
5405571.75
n÷5
4324457.4
n2
467523295110369
n3
1.0108922866062E+22
n4
2.1857803147086E+29
n5
4.7261569283579E+36
2 √n
4649.9770967178
3 √n
278.59108143493
4 √n
68.190740549709
5 √n
29.307604724356
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21622286
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21622287 can be divided by 8 positive divisors.
The sum of these divisors (counting 21622287) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010011110111000001111
3
Ternary
1111200112012110
4
Quaternary
1102132320033
5
Quinary
21013403122
6
Senary
2051235103
8
Octal
122367017
10
Decimal
21622287
12
Duodecimal
72a8a93
16
Hexadecimal
149ee0f
20
Vigesimal
6f2fe7
36
Base36
cvfv3
md5
a2e80b24e6572d832e147bfbfedc0663
sha1
e23798d23127699ba93ba4743eee4b99a6fc2e35
sha256
5a4dfd7d1aca19251359f5b3146939881738b1de7e272acbdcfc24bc886b1ec1
sha512
0e7876f576c6d4d251765bf78703bd985a9ae888b40fd328357e6723e3f5230e053931db7a6585c81938c94a1590a01c11fdaff86c783684145c93b2d5ae2490
ripemd-160
98e1e9ef17efff807e01de6b61a8800bb4c6505d
Diameter
43244574
Circumference
135856835.98602
Area
1.4687677493008E+15
Volume
4.2344157082302E+22
Surface area
5.8750709972033E+15
Circumference
135856835.98602
Perimeter
86489148
Area
467523295110369
Diagonal
30578531.524923
Surface area
2805139770662214
Volume
1.0108922866062E+22
Space diagonal
37450899.659836
Perimeter
64866861
Area
2.0244352521329E+14
Altitude
18725449.829918
Surface area
2.0244352521329E+14
Volume
1.1913479848474E+21
Height
10192843.841641