21752018 is an even 8-digits composite number following 21752017
and preceding 21752019 . In scientific notation, it is written as 2.1752018 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors.
There are 10389600 positive integers (up to 21752018) that are relatively prime to 21752018.
21752018 has 16 divisors, whose sum is 34114560
The reverse of 21752018 is 81025712
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million seven hundred fifty-two thousand eighteen
Scientific notation
2.1752018 × 10^7
Engineering notation
2.1752018 × 10^6
Prime Factorization
2 × 79 × 31 × 4441
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21752018
Product of the distinct prime numbers
The prime factorization of 21752018 is 2 × 79 × 31 × 4441.
Since it has a total of 4 prime factors.
5 , 7 , 10 , 31 , 530 , 83 , 6605 , 1489 , 94912 , 13761 , 949658 , 474768 , 4029149 , 8030198 , 22183486 , 50952845 , 790309802 , 480741179 , 3501296288 , 2343395376
n×2
43504036
n×3
65256054
n×4
87008072
n×5
108760090
n÷2
10876009
n÷3
7250672.6666667
n÷3
5438004.5
n÷5
4350403.6
n2
473150287072324
n3
1.0291973561102E+22
n4
2.2387119415662E+29
n5
4.8696502449763E+36
2 √n
4663.9058738358
3 √n
279.14714128928
4 √n
68.292795182477
5 √n
29.342689012338
1 , 2 , 31 , 62 , 79 , 158 , 2449 , 4441 , 4898 , 8882 , 137671 , 275342 , 350839 , 701678 , 10876009 , 21752018
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
-21752017
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 21752018 can be divided by 16 positive divisors.
The sum of these divisors (counting 21752018) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010111110100011010010
3
Ternary
1111221010011022
4
Quaternary
1102332203102
5
Quinary
21032031033
6
Senary
2054115442
8
Octal
122764322
10
Decimal
21752018
12
Duodecimal
734bb82
16
Hexadecimal
14be8d2
20
Vigesimal
6fj00i
36
Base36
cy7yq
md5
ab7d09abdaa8a7212d09954154cf94b7
sha1
8554262c05c1d6f21bb88c0e8dcb1165dc339099
sha256
706c3acbc2a908ba512b8d60cf5d26db287d5960cee4c92e7ff05dfb38123907
sha512
95a6306a4bb0f3a351c3a4c038d249fd18b5e19d964adc8cf15583012aceac0db5c75de28bebfe3c2a27a99f184b389055e3498bfcb9a836bb8272d56f014e9f
ripemd-160
f66ff69ab7a8ffd4c584caf647ae70ef47b4e3eb
Diameter
43504036
Circumference
136671959.89911
Area
1.4864454659103E+15
Volume
4.3110918040666E+22
Surface area
5.9457818636413E+15
Circumference
136671959.89911
Perimeter
87008072
Area
473150287072324
Diagonal
30761998.864584
Surface area
2838901722433944
Volume
1.0291973561102E+22
Space diagonal
37675600.343153
Perimeter
65256054
Area
2.0488008420627E+14
Altitude
18837800.171576
Surface area
2.0488008420627E+14
Volume
1.2129207161414E+21
Height
10253999.621528