21990269 is an odd 8-digits composite number following 21990268
and preceding 21990270 . In scientific notation, it is written as 2.1990269 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors.
There are 18618264 positive integers (up to 21990269) that are relatively prime to 21990269.
21990269 has 12 divisors, whose sum is 25893504
The reverse of 21990269 is 96209912
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-one million nine hundred ninety thousand two hundred sixty-nine
Scientific notation
2.1990269 × 10^7
Engineering notation
2.1990269 × 10^6
Prime Factorization
83 × 7 × 7 × 5407
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
3141467
Product of the distinct prime numbers
The prime factorization of 21990269 is 83 × 7 × 7 × 5407.
Since it has a total of 4 prime factors.
3 , 9 , 8 , 81 , 575 , 543 , 7977 , 466 , 23319 , 85548 , 18697 , 297317 , 3319574 , 5726778 , 9032658 , 7519250 , 872156537 , 581448858 , 1408038091 , 3555553537
n×2
43980538
n×3
65970807
n×4
87961076
n×5
109951345
n÷2
10995134.5
n÷3
7330089.6666667
n÷3
5497567.25
n÷5
4398053.8
n2
483571930692361
n3
1.0633876836774E+22
n4
2.3384181215354E+29
n5
5.1422443527038E+36
2 √n
4689.3783170054
3 √n
280.16261387479
4 √n
68.479035602185
5 √n
29.406687635073
1 , 7 , 49 , 83 , 581 , 4067 , 5407 , 37849 , 264943 , 448781 , 3141467 , 21990269
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
-21990268
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 21990269 can be divided by 12 positive divisors.
The sum of these divisors (counting 21990269) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010011111000101101111101
3
Ternary
1112101012222102
4
Quaternary
1103320231331
5
Quinary
21112142034
6
Senary
2103154445
8
Octal
123705575
10
Decimal
21990269
12
Duodecimal
7445a25
16
Hexadecimal
14f8b7d
20
Vigesimal
6h8fd9
36
Base36
d3bst
md5
fe91e2bedd8a3d2d3e57879131e88005
sha1
3476242e6850393cd4974f59e868eed5cf5e8c9e
sha256
5ada1df0a9826cd10a7829b0d74963821573dcd765e13e28a01b6ecb92148156
sha512
544db50c39e0e82082cb6bbf4987b3a9803b18d8899242b3c71faea7f848c7596ad33440f73656e3bc0fd121d44393d3bf73584e414d2085d66102d3585202aa
ripemd-160
d9aa9450204b977a1841fb2b3dfab6be73e0cedd
Diameter
43980538
Circumference
138168935.08173
Area
1.5191860249454E+15
Volume
4.4543079132785E+22
Surface area
6.0767440997814E+15
Circumference
138168935.08173
Perimeter
87961076
Area
483571930692361
Diagonal
31098936.660033
Surface area
2901431584154166
Volume
1.0633876836774E+22
Space diagonal
38088263.180107
Perimeter
65970807
Area
2.0939278826834E+14
Altitude
19044131.590053
Surface area
2.0939278826834E+14
Volume
1.2532144035976E+21
Height
10366312.220011