21030907 is an odd 8-digits composite number following 21030906
and preceding 21030908 . In scientific notation, it is written as 2.1030907 × 10^7.
The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors.
There are 20936376 positive integers (up to 21030907) that are relatively prime to 21030907.
21030907 has 4 divisors, whose sum is 21125440
The reverse of 21030907 is 70903012
Previous prime number is 223
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty-one million thirty thousand nine hundred seven
Scientific notation
2.1030907 × 10^7
Engineering notation
2.1030907 × 10^6
Prime Factorization
223 × 94309
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21030907
Product of the distinct prime numbers
The prime factorization of 21030907 is 223 × 94309.
Since it has a total of 2 prime factors.
3 , 7 , 15 , 99 , 359 , 300 , 8988 , 2194 , 48167 , 59083 , 528747 , 597006 , 7488616 , 1216791 , 24978689 , 25431321 , 829443809 , 743872385 , 6078408358 , 1804725627
n×2
42061814
n×3
63092721
n×4
84123628
n×5
105154535
n÷2
10515453.5
n÷3
7010302.3333333
n÷3
5257726.75
n÷5
4206181.4
n2
442299049242649
n3
9.3019501708106E+21
n4
1.9562844896095E+29
n5
4.114243716652E+36
2 √n
4585.9466852549
3 √n
276.02770060839
4 √n
67.719618171213
5 √n
29.145506067243
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21030906
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21030907 can be divided by 4 positive divisors.
The sum of these divisors (counting 21030907) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000001110011111111011
3
Ternary
1110120110222111
4
Quaternary
1100032133323
5
Quinary
20340442112
6
Senary
2030433151
8
Octal
120163773
10
Decimal
21030907
12
Duodecimal
70627b7
16
Hexadecimal
140e7fb
20
Vigesimal
6b8h57
36
Base36
cirjv
md5
76ad78bace7d3c6f647566d81bee3350
sha1
e3b16f4045bcc5af45cd41990dd6ee7329d787a8
sha256
1e4ec2a63b79296c915d0c76acfd707d008e6a2a7cacf6a6977eef9a8c3c4e62
sha512
edcc2f96ae8b9b346023be309b2dcfe6da572999773bc35aaeaec85b8997153409079966fad058d1aa3b32faa2fc31ac80d2e6039bb583e449a8931433180a73
ripemd-160
2d2cf66b75c0e2f441f30bc8f6b751d3605bcfc8
Diameter
42061814
Circumference
132141085.85906
Area
1.3895234437905E+15
Volume
3.8963917760902E+22
Surface area
5.5580937751618E+15
Circumference
132141085.85906
Perimeter
84123628
Area
442299049242649
Diagonal
29742193.908407
Surface area
2653794295455894
Volume
9.3019501708106E+21
Space diagonal
36426599.453256
Perimeter
63092721
Area
1.9152110635692E+14
Altitude
18213299.726628
Surface area
1.9152110635692E+14
Volume
1.0962453406733E+21
Height
9914064.6361358