21752972 is an even 8-digits composite number following 21752971
and preceding 21752973 . In scientific notation, it is written as 2.1752972 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 12 positive divisors.
There are 10745280 positive integers (up to 21752972) that are relatively prime to 21752972.
21752972 has 12 divisors, whose sum is 38526936
The reverse of 21752972 is 27925712
Previous prime number is 83
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-one million seven hundred fifty-two thousand nine hundred seventy-two
Scientific notation
2.1752972 × 10^7
Engineering notation
2.1752972 × 10^6
Prime Factorization
2 × 2 × 83 × 65521
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10876486
Product of the distinct prime numbers
The prime factorization of 21752972 is 2 × 2 × 83 × 65521.
Since it has a total of 4 prime factors.
5 , 9 , 85 , 4 , 424 , 776 , 5967 , 8834 , 74508 , 41066 , 75293 , 241967 , 4428590 , 2354558 , 67117892 , 6132350 , 784516908 , 303528351 , 4681601396 , 6342446500
n×2
43505944
n×3
65258916
n×4
87011888
n×5
108764860
n÷2
10876486
n÷3
7250990.6666667
n÷3
5438243
n÷5
4350594.4
n2
473191790832784
n3
1.0293327776615E+22
n4
2.2391047091154E+29
n5
4.8707182042455E+36
2 √n
4664.0081475057
3 √n
279.1512221747
4 √n
68.293543966511
5 √n
29.342946390153
1 , 2 , 4 , 83 , 166 , 332 , 65521 , 131042 , 262084 , 5438243 , 10876486 , 21752972
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21752971
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21752972 can be divided by 12 positive divisors.
The sum of these divisors (counting 21752972) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010010111110110010001100
3
Ternary
1111221011110122
4
Quaternary
1102332302030
5
Quinary
21032043342
6
Senary
2054124112
8
Octal
122766214
10
Decimal
21752972
12
Duodecimal
7350638
16
Hexadecimal
14bec8c
20
Vigesimal
6fj28c
36
Base36
cy8p8
md5
ff2a0c21a8d55474a4b54ca151d68ceb
sha1
ab79362f1cd2802d03f2e80523a218b622b56133
sha256
2025ce762054020baa217ff89b0f28bbd7caacbcf514483799cde425b520ad36
sha512
f7bf324aa9525cbcd64c77bc73c6c155971a231a936c5c1a8d5896dfa8f8b6cfe591bdffdcf5e1ec8ae047bd53793b5492b1b789a92e105390e01d7c1821c6f8
ripemd-160
5b5301744852722cc2d21cfdc80da035c34435e2
Diameter
43505944
Circumference
136677954.05789
Area
1.4865758538193E+15
Volume
4.3116590565342E+22
Surface area
5.9463034152771E+15
Circumference
136677954.05789
Perimeter
87011888
Area
473191790832784
Diagonal
30763348.024322
Surface area
2839150744996704
Volume
1.0293327776615E+22
Space diagonal
37677252.719623
Perimeter
65258916
Area
2.0489805586172E+14
Altitude
18838626.359812
Surface area
2.0489805586172E+14
Volume
1.2130803119701E+21
Height
10254449.341441