21138057 is an odd 8-digits composite number following 21138056
and preceding 21138058 . In scientific notation, it is written as 2.1138057 × 10^7.
The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors.
There are 14092020 positive integers (up to 21138057) that are relatively prime to 21138057.
21138057 has 4 divisors, whose sum is 21920976
The reverse of 21138057 is 75083112
Previous prime number is 27
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million one hundred thirty-eight thousand fifty-seven
Scientific notation
2.1138057 × 10^7
Engineering notation
2.1138057 × 10^6
Prime Factorization
27 × 782891
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21138057
Product of the distinct prime numbers
The prime factorization of 21138057 is 27 × 782891.
Since it has a total of 2 prime factors.
1 , 6 , 3 , 26 , 298 , 974 , 8510 , 7392 , 33555 , 81745 , 780215 , 846155 , 5575643 , 1524551 , 33735847 , 56074026 , 512122493 , 196236868 , 3583305992 , 3719305479
n×2
42276114
n×3
63414171
n×4
84552228
n×5
105690285
n÷2
10569028.5
n÷3
7046019
n÷3
5284514.25
n÷5
4227611.4
n2
446817453735249
n3
9.4448528056506E+21
n4
1.9964583696245E+29
n5
4.220125081525E+36
2 √n
4597.6142726418
3 √n
276.49568296787
4 √n
67.805709734814
5 √n
29.175144313036
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
-21138056
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 21138057 can be divided by 4 positive divisors.
The sum of these divisors (counting 21138057) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000101000101010001001
3
Ternary
1110202220222000
4
Quaternary
1100220222021
5
Quinary
20402404212
6
Senary
2033021213
8
Octal
120505211
10
Decimal
21138057
12
Duodecimal
70b4809
16
Hexadecimal
1428a89
20
Vigesimal
6c252h
36
Base36
cl289
md5
f91c2527173beba0284caa2863bfbafb
sha1
15555fc548d20f071f57f624bf91e486f6341781
sha256
be9a020c8a37f5bcaa0f655871e83324b2360e8ae5a3c32a82f70cd36743e202
sha512
d12bf8d874530dd18da4ec7fa0aaea59633b0c19a0b457dd5a0bdeb1ecc2eeb916f9a0c9ae3eb432e0ce52751ca85f276e08d7a9b75726f1f282739f97a2a5e4
ripemd-160
fd9b0656c2581e0cea673aef6f673a73affdb9e7
Diameter
42276114
Circumference
132814329.16472
Area
1.4037184301504E+15
Volume
3.9562506917958E+22
Surface area
5.6148737206014E+15
Circumference
132814329.16472
Perimeter
84552228
Area
446817453735249
Diagonal
29893726.891616
Surface area
2680904722411494
Volume
9.4448528056506E+21
Space diagonal
36612188.697287
Perimeter
63414171
Area
1.934776328945E+14
Altitude
18306094.348643
Surface area
1.934776328945E+14
Volume
1.1130865776974E+21
Height
9964575.6305385