21057535 is an odd 8-digits composite number following 21057534
and preceding 21057536 . In scientific notation, it is written as 2.1057535 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors.
There are 15880480 positive integers (up to 21057535) that are relatively prime to 21057535.
21057535 has 16 divisors, whose sum is 26749440
The reverse of 21057535 is 53575012
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million fifty-seven thousand five hundred thirty-five
Scientific notation
2.1057535 × 10^7
Engineering notation
2.1057535 × 10^6
Prime Factorization
5 × 23 × 71 × 2579
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21057535
Product of the distinct prime numbers
The prime factorization of 21057535 is 5 × 23 × 71 × 2579.
Since it has a total of 4 prime factors.
7 , 6 , 34 , 42 , 159 , 928 , 4745 , 7239 , 38981 , 28394 , 197211 , 133176 , 1624110 , 4055350 , 61389009 , 29003410 , 175168159 , 541144650 , 1846098618 , 918884219
n×2
42115070
n×3
63172605
n×4
84230140
n×5
105287675
n÷2
10528767.5
n÷3
7019178.3333333
n÷3
5264383.75
n÷5
4211507
n2
443419780276225
n3
9.3373275428589E+21
n4
1.9662110154022E+29
n5
4.1403557274216E+36
2 √n
4588.8489842225
3 √n
276.1441477296
4 √n
67.741043571992
5 √n
29.152882770314
1 , 5 , 23 , 71 , 115 , 355 , 1633 , 2579 , 8165 , 12895 , 59317 , 183109 , 296585 , 915545 , 4211507 , 21057535
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
-21057534
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 21057535 can be divided by 16 positive divisors.
The sum of these divisors (counting 21057535) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000010100111111111111
3
Ternary
1110121211111201
4
Quaternary
1100110333333
5
Quinary
20342320120
6
Senary
2031200331
8
Octal
120247777
10
Decimal
21057535
12
Duodecimal
70760a7
16
Hexadecimal
1414fff
20
Vigesimal
6bc3gf
36
Base36
cjc3j
md5
cc34e2943e57107a280d90e244590b3b
sha1
f10771aa08cbb0ab30c27a0557a00f14d134d1ba
sha256
8468fd28a1ada6595cedd5bc1087e74d8580ba89198363d86583b503b0330ee5
sha512
468260da3d0ab8a45501be5694a018a2a5ffe17d0774bc78405d0f4d5b8920553e8d171f4cebdd55a5d9fa182f1a3af37203053d9d445aeaa29909d00c33d74f
ripemd-160
54780efe10e5e7a5e08e068fa1ef5dc4b09e8b65
Diameter
42115070
Circumference
132308394.51742
Area
1.3930443241722E+15
Volume
3.911210615041E+22
Surface area
5.5721772966888E+15
Circumference
132308394.51742
Perimeter
84230140
Area
443419780276225
Diagonal
29779851.587146
Surface area
2660518681657350
Volume
9.3373275428589E+21
Space diagonal
36472720.50216
Perimeter
63172605
Area
1.9200639712986E+14
Altitude
18236360.25108
Surface area
1.9200639712986E+14
Volume
1.1004146039526E+21
Height
9926617.1957154