21052017 is an odd 8-digits composite number following 21052016
and preceding 21052018 . In scientific notation, it is written as 2.1052017 × 10^7.
The sum of its digits is 18. It has a total of 3 prime factors and 8 positive divisors.
There are 12029472 positive integers (up to 21052017) that are relatively prime to 21052017.
21052017 has 8 divisors, whose sum is 24441856
The reverse of 21052017 is 71025012
Previous prime number is 63
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty-one million fifty-two thousand seventeen
Scientific notation
2.1052017 × 10^7
Engineering notation
2.1052017 × 10^6
Prime Factorization
7 × 63 × 47737
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21052017
Product of the distinct prime numbers
The prime factorization of 21052017 is 7 × 63 × 47737.
Since it has a total of 3 prime factors.
6 , 10 , 26 , 40 , 38 , 447 , 4405 , 9828 , 10470 , 9070 , 711096 , 166482 , 7466084 , 2147360 , 33792365 , 2644211 , 10897741 , 228404290 , 1574425868 , 6366751554
n×2
42104034
n×3
63156051
n×4
84208068
n×5
105260085
n÷2
10526008.5
n÷3
7017339
n÷3
5263004.25
n÷5
4210403.4
n2
443187419768289
n3
9.3299890951482E+21
n4
1.9641508904087E+29
n5
4.134933793545E+36
2 √n
4588.2477047343
3 √n
276.12002498646
4 √n
67.736605352899
5 √n
29.151354742733
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
-21052016
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 21052017 can be divided by 8 positive divisors.
The sum of these divisors (counting 21052017) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000010011101001110001
3
Ternary
1110121112221100
4
Quaternary
1100103221301
5
Quinary
20342131032
6
Senary
2031115013
8
Octal
120235161
10
Decimal
21052017
12
Duodecimal
7072a69
16
Hexadecimal
1413a71
20
Vigesimal
6bba0h
36
Base36
cj7u9
md5
532ef53bda78843eab7d1cd7578a9ed4
sha1
d47719dfba2f49e346623d685d9d37a55219279e
sha256
ab72033b441c1d967ddb8bfe433f0d00225960ec59c5b8ee8510dc28121f3a42
sha512
d19db2aace9a3166fd5187a1eab328f2e026b84ea34c6d5b20cc586ab69e43bbec37323a829d3b68ced80944924343625f8ae7983a1440685f53ada1851d3ea0
ripemd-160
02a7270794419e4c8013cc2ba45b1cae38fef953
Diameter
42104034
Circumference
132273723.90089
Area
1.3923143421075E+15
Volume
3.908136693252E+22
Surface area
5.5692573684299E+15
Circumference
132273723.90089
Perimeter
84208068
Area
443187419768289
Diagonal
29772047.956709
Surface area
2659124518609734
Volume
9.3299890951482E+21
Space diagonal
36463163.045804
Perimeter
63156051
Area
1.9190578207851E+14
Altitude
18231581.522902
Surface area
1.9190578207851E+14
Volume
1.099549759596E+21
Height
9924015.9855697