21137538 is an even 8-digits composite number following 21137537
and preceding 21137539 . In scientific notation, it is written as 2.1137538 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors.
There are 6626880 positive integers (up to 21137538) that are relatively prime to 21137538.
21137538 has 32 divisors, whose sum is 44821440
The reverse of 21137538 is 83573112
Previous prime number is 157
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million one hundred thirty-seven thousand five hundred thirty-eight
Scientific notation
2.1137538 × 10^7
Engineering notation
2.1137538 × 10^6
Prime Factorization
2 × 3 × 19 × 157 × 1181
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21137538
Product of the distinct prime numbers
The prime factorization of 21137538 is 2 × 3 × 19 × 157 × 1181.
Since it has a total of 5 prime factors.
7 , 6 , 30 , 24 , 369 , 318 , 1014 , 9916 , 65029 , 3785 , 333349 , 418998 , 6047605 , 110463 , 96672747 , 15657882 , 55335561 , 41726749 , 4847568272 , 7995234688
n×2
42275076
n×3
63412614
n×4
84550152
n×5
105687690
n÷2
10568769
n÷3
7045846
n÷3
5284384.5
n÷5
4227507.6
n2
446795512701444
n3
9.4441571279563E+21
n4
1.9962623017015E+29
n5
4.2196070260182E+36
2 √n
4597.5578299789
3 √n
276.49342002835
4 √n
67.80529352476
5 √n
29.175001044915
1 , 2 , 3 , 6 , 19 , 38 , 57 , 114 , 157 , 314 , 471 , 942 , 1181 , 2362 , 2983 , 3543 , 5966 , 7086 , 8949 , 17898 , 22439 , 44878 , 67317 , 134634 , 185417 , 370834 , 556251 , 1112502 , 3522923 , 7045846 , 10568769 , 21137538
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21137537
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21137538 can be divided by 32 positive divisors.
The sum of these divisors (counting 21137538) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000101000100010000010
3
Ternary
1110202220020210
4
Quaternary
1100220202002
5
Quinary
20402400123
6
Senary
2033014550
8
Octal
120504202
10
Decimal
21137538
12
Duodecimal
70b4456
16
Hexadecimal
1428882
20
Vigesimal
6c23gi
36
Base36
cl1tu
md5
1120c84ae48ae437fc7f82ca23510d07
sha1
e28fd1518787af553beb57929c3f8085e9b15ecf
sha256
41ad13f61c7d0dd1ab4b82a2b6f56051ab5ca4f5b6524b802c3f75e2e195b27a
sha512
725314b286134745ca0c15368624a7481f7560690a07749b10ab7fb6dd61335d2dcabbfd2155ec5d6898c84dac7565ea70097d090e5b1ceb1e2de74d7f6cd299
ripemd-160
976931e5176fc50b6e860745edb3bf6f8855fee2
Diameter
42275076
Circumference
132811068.19155
Area
1.4036495003597E+15
Volume
3.9559592870047E+22
Surface area
5.614598001439E+15
Circumference
132811068.19155
Perimeter
84550152
Area
446795512701444
Diagonal
29892992.914777
Surface area
2680773076208664
Volume
9.4441571279563E+21
Space diagonal
36611289.762918
Perimeter
63412614
Area
1.9346813214817E+14
Altitude
18305644.881459
Surface area
1.9346813214817E+14
Volume
1.1130045912949E+21
Height
9964330.9715922