21752638 is an even 8-digits composite number following 21752637
and preceding 21752639 . In scientific notation, it is written as 2.1752638 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors.
There are 10414080 positive integers (up to 21752638) that are relatively prime to 21752638.
21752638 has 16 divisors, whose sum is 34038144
The reverse of 21752638 is 83625712
Previous prime number is 97
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-one million seven hundred fifty-two thousand six hundred thirty-eight
Scientific notation
2.1752638 × 10^7
Engineering notation
2.1752638 × 10^6
Prime Factorization
2 × 31 × 97 × 3617
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21752638
Product of the distinct prime numbers
The prime factorization of 21752638 is 2 × 31 × 97 × 3617.
Since it has a total of 4 prime factors.
4 , 2 , 37 , 27 , 987 , 515 , 1668 , 3955 , 97420 , 77523 , 392448 , 503288 , 6505977 , 8288169 , 84307687 , 33307395 , 852602373 , 264800372 , 2899044893 , 7908449562
n×2
43505276
n×3
65257914
n×4
87010552
n×5
108763190
n÷2
10876319
n÷3
7250879.3333333
n÷3
5438159.5
n÷5
4350527.6
n2
473177259959044
n3
1.0292853645721E+22
n4
2.2389671934235E+29
n5
4.8703442852417E+36
2 √n
4663.9723412559
3 √n
279.14979345061
4 √n
68.293281816412
5 √n
29.342856281966
1 , 2 , 31 , 62 , 97 , 194 , 3007 , 3617 , 6014 , 7234 , 112127 , 224254 , 350849 , 701698 , 10876319 , 21752638
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21752637
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21752638 can be divided by 16 positive divisors.
The sum of these divisors (counting 21752638) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010111110101100111110
3
Ternary
1111221011000021
4
Quaternary
1102332230332
5
Quinary
21032041023
6
Senary
2054122354
8
Octal
122765476
10
Decimal
21752638
12
Duodecimal
73503ba
16
Hexadecimal
14beb3e
20
Vigesimal
6fj1bi
36
Base36
cy8fy
md5
868ad640352e0b52f3a4388f0b71693a
sha1
6ef4a6e278f91b04004a517553be6076d86212a2
sha256
4f8f6dc19a617cc4ecf344131981e271294397bf2d23c0c9743740e9ad65f671
sha512
e9671a0ba3a982b8f2bbb70c5c92c1d97cff93b00c911b487d7fd6943dfde5ad0904ad5a0314b66e84ddc518134c40be1c184f4f08f12ccaeef93293de3a78d8
ripemd-160
99e08e788cffef6ce3d448daf8a89dbaf326a4d7
Diameter
43505276
Circumference
136675855.474
Area
1.4865302037331E+15
Volume
4.3114604530496E+22
Surface area
5.9461208149323E+15
Circumference
136675855.474
Perimeter
87010552
Area
473177259959044
Diagonal
30762875.676992
Surface area
2839063559754264
Volume
1.0292853645721E+22
Space diagonal
37676674.214653
Perimeter
65257914
Area
2.0489176380882E+14
Altitude
18838337.107327
Surface area
2.0489176380882E+14
Volume
1.2130244351083E+21
Height
10254291.892331