21290217 is an odd 8-digits composite number following 21290216
and preceding 21290218 . In scientific notation, it is written as 2.1290217 × 10^7.
The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors.
There are 12983040 positive integers (up to 21290217) that are relatively prime to 21290217.
21290217 has 8 divisors, whose sum is 22033920
The reverse of 21290217 is 71209212
Previous prime number is 113
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-one million two hundred ninety thousand two hundred seventeen
Scientific notation
2.1290217 × 10^7
Engineering notation
2.1290217 × 10^6
Prime Factorization
39 × 113 × 4831
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21290217
Product of the distinct prime numbers
The prime factorization of 21290217 is 39 × 113 × 4831.
Since it has a total of 3 prime factors.
9 , 3 , 27 , 20 , 644 , 794 , 1907 , 8880 , 55038 , 86912 , 323884 , 788000 , 2336468 , 4695107 , 885559 , 18460352 , 913727256 , 37343251 , 3121365133 , 454421421
n×2
42580434
n×3
63870651
n×4
85160868
n×5
106451085
n÷2
10645108.5
n÷3
7096739
n÷3
5322554.25
n÷5
4258043.4
n2
453273339907089
n3
9.6502877669367E+21
n4
2.0545672067053E+29
n5
4.3742181671839E+36
2 √n
4614.1323127973
3 √n
277.15753874872
4 √n
67.927404725908
5 √n
29.217026711132
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
-21290216
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 21290217 can be divided by 8 positive divisors.
The sum of these divisors (counting 21290217) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001001101110011101001
3
Ternary
1111001122200120
4
Quaternary
1101031303221
5
Quinary
20422241332
6
Senary
2040153453
8
Octal
121156351
10
Decimal
21290217
12
Duodecimal
7168889
16
Hexadecimal
144dce9
20
Vigesimal
6d15ah
36
Base36
cobmx
md5
ca09b3d210496ac40b57ced6827cb9ac
sha1
858029dcdab1ccee098c40d247fd15abb9fa058a
sha256
3286af700fae3d28c0050e1242c8fa55ef719523eaa1e6b7e5b83549d1720275
sha512
77fe6c375fc851e2aabedafe64ff8433447fa2f1e9e9ef307f68ecddc82b0e6efdb9e3f91cea933d478a0779fdc2ddbb297c0fffb501260255868f2e58396d8b
ripemd-160
43f1fb0ae5a0a0025d71a948481bc7762063ee69
Diameter
42580434
Circumference
133770378.64107
Area
1.4240001947202E+15
Volume
4.0423030871514E+22
Surface area
5.6960007788809E+15
Circumference
133770378.64107
Perimeter
85160868
Area
453273339907089
Diagonal
30108913.627266
Surface area
2719640039442534
Volume
9.6502877669367E+21
Space diagonal
36875737.548167
Perimeter
63870651
Area
1.9627311360888E+14
Altitude
18437868.774083
Surface area
1.9627311360888E+14
Volume
1.1372973200671E+21
Height
10036304.542422