21497630 is an even 8-digits composite number following 21497629
and preceding 21497631 . In scientific notation, it is written as 2.1497630 × 10^7.
The sum of its digits is 32. It has a total of 5 prime factors and 32 positive divisors.
There are 6700320 positive integers (up to 21497630) that are relatively prime to 21497630.
21497630 has 32 divisors, whose sum is 48245760
The reverse of 21497630 is 03679412
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million four hundred ninety-seven thousand six hundred thirty
Scientific notation
2.1497630 × 10^7
Engineering notation
2.1497630 × 10^6
Prime Factorization
2 × 11 × 5 × 7 × 27919
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21497630
Product of the distinct prime numbers
The prime factorization of 21497630 is 2 × 11 × 5 × 7 × 27919.
Since it has a total of 5 prime factors.
7 , 2 , 45 , 48 , 880 , 199 , 5433 , 2059 , 31867 , 34911 , 978755 , 805109 , 4744499 , 1040425 , 27670850 , 71778500 , 996256597 , 665200001 , 2357695181 , 1776384634
n×2
42995260
n×3
64492890
n×4
85990520
n×5
107488150
n÷2
10748815
n÷3
7165876.6666667
n÷3
5374407.5
n÷5
4299526
n2
462148095616900
n3
9.9350887647767E+21
n4
2.1358086228233E+29
n5
4.5914823524264E+36
2 √n
4636.5536770321
3 √n
278.05467068262
4 √n
68.092243883075
5 √n
29.273733632138
1 , 2 , 5 , 7 , 10 , 11 , 14 , 22 , 35 , 55 , 70 , 77 , 110 , 154 , 385 , 770 , 27919 , 55838 , 139595 , 195433 , 279190 , 307109 , 390866 , 614218 , 977165 , 1535545 , 1954330 , 2149763 , 3071090 , 4299526 , 10748815 , 21497630
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
-21497629
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 21497630 can be divided by 32 positive divisors.
The sum of these divisors (counting 21497630) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010010000000011100011110
3
Ternary
1111110012012112
4
Quaternary
1102000130132
5
Quinary
21000411010
6
Senary
2044434022
8
Octal
122003436
10
Decimal
21497630
12
Duodecimal
7248912
16
Hexadecimal
148071e
20
Vigesimal
6e741a
36
Base36
csroe
md5
49db9ee743af77ef79d8bb260858f525
sha1
62f24ac7b4570b9cb32766f579206c28115d0386
sha256
5f453c7b8b86ea62b37c947ee30d76bb2814f905d467d0755ff326e0cbd7c7db
sha512
e802f43d9b0630a38a46245bc1aa0f29292aa02440363fcdadc588c534e138026064985a8d500ac45ef164174f219df0140ea65fc57b2c051b716ccf6aedb307
ripemd-160
f4fb00baea499b1a8e3514ba8bfaff395ca721df
Diameter
42995260
Circumference
135073592.95518
Area
1.4518810620606E+15
Volume
4.161600250158E+22
Surface area
5.8075242482423E+15
Circumference
135073592.95518
Perimeter
85990520
Area
462148095616900
Diagonal
30402239.904879
Surface area
2772888573701400
Volume
9.9350887647767E+21
Space diagonal
37234987.402317
Perimeter
64492890
Area
2.0011599555742E+14
Altitude
18617493.701158
Surface area
2.0011599555742E+14
Volume
1.170861439544E+21
Height
10134079.968293