21138061 is an odd 8-digits composite number following 21138060
and preceding 21138062 . In scientific notation, it is written as 2.1138061 × 10^7.
The sum of its digits is 22. It has a total of 4 prime factors and 8 positive divisors.
There are 18118044 positive integers (up to 21138061) that are relatively prime to 21138061.
21138061 has 8 divisors, whose sum is 24651200
The reverse of 21138061 is 16083112
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty-one million one hundred thirty-eight thousand sixty-one
Scientific notation
2.1138061 × 10^7
Engineering notation
2.1138061 × 10^6
Prime Factorization
7 × 7 × 7 × 61627
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
431389
Product of the distinct prime numbers
The prime factorization of 21138061 is 7 × 7 × 7 × 61627.
Since it has a total of 4 prime factors.
6 , 10 , 6 , 5 , 149 , 699 , 26 , 3323 , 39726 , 33582 , 655434 , 465911 , 9767625 , 6447608 , 10608614 , 32877037 , 579142033 , 86900854 , 1580371460 , 8729438454
n×2
42276122
n×3
63414183
n×4
84552244
n×5
105690305
n÷2
10569030.5
n÷3
7046020.3333333
n÷3
5284515.25
n÷5
4227612.2
n2
446817622839721
n3
9.444858167461E+21
n4
1.9964598808014E+29
n5
4.2201290744433E+36
2 √n
4597.61470765
3 √n
276.49570040849
4 √n
67.805712942569
5 √n
29.175145417211
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
-21138060
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 21138061 can be divided by 8 positive divisors.
The sum of these divisors (counting 21138061) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000101000101010001101
3
Ternary
1110202220222011
4
Quaternary
1100220222031
5
Quinary
20402404221
6
Senary
2033021221
8
Octal
120505215
10
Decimal
21138061
12
Duodecimal
70b4811
16
Hexadecimal
1428a8d
20
Vigesimal
6c2531
36
Base36
cl28d
md5
23074dcddabc051ceb5eeb26bfae727c
sha1
f1a4c466887935f77761a8daf6d6410bca210126
sha256
6724d2fa646a43f524fac78dbcf4b5b1129462ddfef73f1a6138b0aa2b52a12e
sha512
efeb506826d323ffc29fc3d47ca03908aceb89fc4428d6ef33bfac7858498d4d84e7a227c3db5dde3feb776740ba87c3bedf1c75b0b16eabb8516486ed28cc21
ripemd-160
fc639cec694c13e9332c50bbf1a2f52d446a1443
Diameter
42276122
Circumference
132814354.29747
Area
1.4037189614077E+15
Volume
3.9562529377457E+22
Surface area
5.6148758456309E+15
Circumference
132814354.29747
Perimeter
84552244
Area
446817622839721
Diagonal
29893732.54847
Surface area
2680905737038326
Volume
9.444858167461E+21
Space diagonal
36612195.62549
Perimeter
63414183
Area
1.9347770611889E+14
Altitude
18306097.812745
Surface area
1.9347770611889E+14
Volume
1.1130872095928E+21
Height
9964577.5161566