21752691 is an odd 8-digits composite number following 21752690
and preceding 21752692 . In scientific notation, it is written as 2.1752691 × 10^7.
The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors.
There are 14501792 positive integers (up to 21752691) that are relatively prime to 21752691.
21752691 has 4 divisors, whose sum is 29003592
The reverse of 21752691 is 19625712
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-one million seven hundred fifty-two thousand six hundred ninety-one
Scientific notation
2.1752691 × 10^7
Engineering notation
2.1752691 × 10^6
Prime Factorization
3 × 7250897
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21752691
Product of the distinct prime numbers
The prime factorization of 21752691 is 3 × 7250897.
Since it has a total of 2 prime factors.
10 , 6 , 22 , 24 , 752 , 140 , 7805 , 714 , 15933 , 49573 , 245874 , 886316 , 665722 , 9728598 , 39560173 , 59600405 , 226215372 , 652161455 , 7657125904 , 6250868901
n×2
43505382
n×3
65258073
n×4
87010764
n×5
108763455
n÷2
10876345.5
n÷3
7250897
n÷3
5438172.75
n÷5
4350538.2
n2
473179565741481
n3
1.0292928881089E+22
n4
2.238989014353E+29
n5
4.8704036181615E+36
2 √n
4663.9780231043
3 √n
279.15002016529
4 √n
68.293323415282
5 √n
29.342870580645
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21752690
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21752691 can be divided by 4 positive divisors.
The sum of these divisors (counting 21752691) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010111110101101110011
3
Ternary
1111221011002020
4
Quaternary
1102332231303
5
Quinary
21032041231
6
Senary
2054122523
8
Octal
122765563
10
Decimal
21752691
12
Duodecimal
7350443
16
Hexadecimal
14beb73
20
Vigesimal
6fj1eb
36
Base36
cy8hf
md5
92622799b5fbc0aded9ffc70857becd0
sha1
6b01e8a872e666196332f11d68be4734525a2830
sha256
70c2b2341013c411a43744ee2f2d4d2adef009e811eeb918c9d86435eb9e89a6
sha512
3f261a91143cb39f916f00332df7541fc4ee43658341513ca84f16284bc1cc799a8c1674bfd9bcdb42ef02203f410e582186c437dbb44b41de37258226695c65
ripemd-160
9639cc53390d35048df109a1335b61de0d1d83f3
Diameter
43505382
Circumference
136676188.48282
Area
1.4865374475622E+15
Volume
4.3114919675667E+22
Surface area
5.946149790249E+15
Circumference
136676188.48282
Perimeter
87010764
Area
473179565741481
Diagonal
30762950.630311
Surface area
2839077394448886
Volume
1.0292928881089E+22
Space diagonal
37676766.013346
Perimeter
65258073
Area
2.0489276224191E+14
Altitude
18838383.006673
Surface area
2.0489276224191E+14
Volume
1.2130333016814E+21
Height
10254316.87677