21007051 is an odd 8-digits composite number following 21007050
and preceding 21007052 . In scientific notation, it is written as 2.1007051 × 10^7.
The sum of its digits is 16. It has a total of 3 prime factors and 8 positive divisors.
There are 19156512 positive integers (up to 21007051) that are relatively prime to 21007051.
21007051 has 8 divisors, whose sum is 22896720
The reverse of 21007051 is 15070012
Previous prime number is 83
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 16
Digital Root 7
Name
twenty-one million seven thousand fifty-one
Scientific notation
2.1007051 × 10^7
Engineering notation
2.1007051 × 10^6
Prime Factorization
13 × 83 × 19469
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21007051
Product of the distinct prime numbers
The prime factorization of 21007051 is 13 × 83 × 19469.
Since it has a total of 3 prime factors.
6 , 10 , 64 , 37 , 613 , 425 , 4622 , 9223 , 30197 , 93276 , 873994 , 172928 , 9779563 , 9306025 , 51707192 , 25680347 , 796146468 , 263977858 , 621895241 , 9604208338
n×2
42014102
n×3
63021153
n×4
84028204
n×5
105035255
n÷2
10503525.5
n÷3
7002350.3333333
n÷3
5251762.75
n÷5
4201410.2
n2
441296191716601
n3
9.2703316054964E+21
n4
1.9474232882358E+29
n5
4.0909620334556E+36
2 √n
4583.344957561
3 √n
275.92329223742
4 √n
67.70040588919
5 √n
29.138890937563
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
-21007050
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 21007051 can be divided by 8 positive divisors.
The sum of these divisors (counting 21007051) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000001000101011001011
3
Ternary
1110112021020221
4
Quaternary
1100020223023
5
Quinary
20334211201
6
Senary
2030130511
8
Octal
120105313
10
Decimal
21007051
12
Duodecimal
7050a37
16
Hexadecimal
1408acb
20
Vigesimal
6b5hcb
36
Base36
ci957
md5
8011e27cdb8d9da740a112c611a93743
sha1
24c656f3e46c6c901d8fcb865598590137d24386
sha256
8a8f84a2563cd5b6b06f3ce4f28f8b6a92a4a906176b511de4136a544630aad9
sha512
349c813582067b4d98160fb01e80647bd6d01b36fa9fba3502cbd066f6e61451205809e3baa75ca484c58b8afc6b28eabd52309fa4d392258763d584a45ad6df
ripemd-160
2947128d369499d8ad56aeac790df2344d16adca
Diameter
42014102
Circumference
131991194.19037
Area
1.386372873954E+15
Volume
3.8831474224225E+22
Surface area
5.5454914958161E+15
Circumference
131991194.19037
Perimeter
84028204
Area
441296191716601
Diagonal
29708456.429663
Surface area
2647777150299606
Volume
9.2703316054964E+21
Space diagonal
36385279.649191
Perimeter
63021153
Area
1.9108685630995E+14
Altitude
18192639.824595
Surface area
1.9108685630995E+14
Volume
1.0925190570157E+21
Height
9902818.8098878