21057029 is an odd 8-digits composite number following 21057028
and preceding 21057030 . In scientific notation, it is written as 2.1057029 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors.
There are 16703280 positive integers (up to 21057029) that are relatively prime to 21057029.
21057029 has 16 divisors, whose sum is 25927680
The reverse of 21057029 is 92075012
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million fifty-seven thousand twenty-nine
Scientific notation
2.1057029 × 10^7
Engineering notation
2.1057029 × 10^6
Prime Factorization
31 × 7 × 23 × 4219
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21057029
Product of the distinct prime numbers
The prime factorization of 21057029 is 31 × 7 × 23 × 4219.
Since it has a total of 4 prime factors.
7 , 9 , 31 , 65 , 654 , 899 , 2837 , 8187 , 90555 , 89643 , 512477 , 474404 , 6726211 , 5931756 , 78589464 , 22801153 , 913083048 , 166545404 , 8067171185 , 4374490627
n×2
42114058
n×3
63171087
n×4
84228116
n×5
105285145
n÷2
10528514.5
n÷3
7019009.6666667
n÷3
5264257.25
n÷5
4211405.8
n2
443398470306841
n3
9.3366544478068E+21
n4
1.9660220347045E+29
n5
4.1398582999411E+36
2 √n
4588.79385024
3 √n
276.14193585219
4 √n
67.740636624112
5 √n
29.152742663692
1 , 7 , 23 , 31 , 161 , 217 , 713 , 4219 , 4991 , 29533 , 97037 , 130789 , 679259 , 915523 , 3008147 , 21057029
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21057028
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21057029 can be divided by 16 positive divisors.
The sum of these divisors (counting 21057029) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000010100111000000101
3
Ternary
1110121210210222
4
Quaternary
1100110320011
5
Quinary
20342311104
6
Senary
2031154125
8
Octal
120247005
10
Decimal
21057029
12
Duodecimal
7075945
16
Hexadecimal
1414e05
20
Vigesimal
6bc2b9
36
Base36
cjbph
md5
f17b6535ab5696ad967b9a5be7b4e0ff
sha1
d007b3bc01234f694c26402ec59d48b998c9bf06
sha256
cc8ffccb3da84729d6714edd6aca4350a09fdf20b237c86885cca9c7544561e9
sha512
d5eb9b6c68cbf05d7fe9df5c5768285bd5c295632d7b2a4dfc90dcba4b1e41df739847bb2db2bf81def5864214ad1cc09df450e4321de5c5a5e3a42a183c446f
ripemd-160
68a619a469d0c414e9fd8b00bd8005f61c1ebc9a
Diameter
42114058
Circumference
132305215.22565
Area
1.3929773769289E+15
Volume
3.9109286696448E+22
Surface area
5.5719095077157E+15
Circumference
132305215.22565
Perimeter
84228116
Area
443398470306841
Diagonal
29779135.995084
Surface area
2660390821841046
Volume
9.3366544478068E+21
Space diagonal
36471844.084451
Perimeter
63171087
Area
1.9199716964244E+14
Altitude
18235922.042226
Surface area
1.9199716964244E+14
Volume
1.10033527894E+21
Height
9926378.6650279