21137540 is an even 8-digits composite number following 21137539
and preceding 21137541 . In scientific notation, it is written as 2.1137540 × 10^7.
The sum of its digits is 23. It has a total of 5 prime factors and 24 positive divisors.
There are 8438528 positive integers (up to 21137540) that are relatively prime to 21137540.
21137540 has 24 divisors, whose sum is 44475480
The reverse of 21137540 is 04573112
Previous prime number is 953
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty-one million one hundred thirty-seven thousand five hundred forty
Scientific notation
2.1137540 × 10^7
Engineering notation
2.1137540 × 10^6
Prime Factorization
2 × 2 × 5 × 953 × 1109
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10568770
Product of the distinct prime numbers
The prime factorization of 21137540 is 2 × 2 × 5 × 953 × 1109.
Since it has a total of 5 prime factors.
10 , 1 , 94 , 88 , 957 , 491 , 6854 , 9177 , 45938 , 95325 , 410320 , 232123 , 7088391 , 6869117 , 48538859 , 87799690 , 544787237 , 54364293 , 4431084403 , 1229005883
n×2
42275080
n×3
63412620
n×4
84550160
n×5
105687700
n÷2
10568770
n÷3
7045846.6666667
n÷3
5284385
n÷5
4227508
n2
446795597251600
n3
9.4441598087296E+21
n4
1.9962630572341E+29
n5
4.2196090222809E+36
2 √n
4597.5580474856
3 √n
276.4934287488
4 √n
67.805295128667
5 √n
29.175001597013
1 , 2 , 4 , 5 , 10 , 20 , 953 , 1109 , 1906 , 2218 , 3812 , 4436 , 4765 , 5545 , 9530 , 11090 , 19060 , 22180 , 1056877 , 2113754 , 4227508 , 5284385 , 10568770 , 21137540
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21137539
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21137540 can be divided by 24 positive divisors.
The sum of these divisors (counting 21137540) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000101000100010000100
3
Ternary
1110202220020212
4
Quaternary
1100220202010
5
Quinary
20402400130
6
Senary
2033014552
8
Octal
120504204
10
Decimal
21137540
12
Duodecimal
70b4458
16
Hexadecimal
1428884
20
Vigesimal
6c23h0
36
Base36
cl1tw
md5
9492cd2dd6a521d7100dbe70b13fbc61
sha1
5abb9ff64f7d8d005916d2c00d1cf16dba6537f3
sha256
f4ca663cc941586fb5163d04bd4ba2718a24ee161679e6902156a95dfa8b5daa
sha512
13e6b318f18b172674c090576562ad1cfa440b99113f09e93d6b8a0750199a92fd0abbe733370ccb621bdbc069215db39695e47f101bd24b4b95598d0f654eb7
ripemd-160
53857f60adf960239867853ba2968dc5fbfa2225
Diameter
42275080
Circumference
132811080.75792
Area
1.4036497659819E+15
Volume
3.9559604099244E+22
Surface area
5.6145990639276E+15
Circumference
132811080.75792
Perimeter
84550160
Area
446795597251600
Diagonal
29892995.743204
Surface area
2680773583509600
Volume
9.4441598087296E+21
Space diagonal
36611293.227019
Perimeter
63412620
Area
1.9346816875946E+14
Altitude
18305646.61351
Surface area
1.9346816875946E+14
Volume
1.113004907227E+21
Height
9964331.9144013