21752689 is an odd 8-digits composite number following 21752688
and preceding 21752690 . In scientific notation, it is written as 2.1752689 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 18366480 positive integers (up to 21752689) that are relatively prime to 21752689.
21752689 has 8 divisors, whose sum is 25231808
The reverse of 21752689 is 98625712
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-one million seven hundred fifty-two thousand six hundred eighty-nine
Scientific notation
2.1752689 × 10^7
Engineering notation
2.1752689 × 10^6
Prime Factorization
7 × 67 × 46381
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21752689
Product of the distinct prime numbers
The prime factorization of 21752689 is 7 × 67 × 46381.
Since it has a total of 3 prime factors.
6 , 5 , 3 , 5 , 675 , 439 , 919 , 5383 , 33175 , 50450 , 638905 , 595417 , 378437 , 4123131 , 56282794 , 70104980 , 301406737 , 606234815 , 8148960004 , 8917340615
n×2
43505378
n×3
65258067
n×4
87010756
n×5
108763445
n÷2
10876344.5
n÷3
7250896.3333333
n÷3
5438172.25
n÷5
4350537.8
n2
473179478730721
n3
1.0292926042011E+22
n4
2.2389881909188E+29
n5
4.8704013791729E+36
2 √n
4663.9778086951
3 √n
279.15001161003
4 √n
68.293321845515
5 √n
29.342870041072
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21752688
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21752689 can be divided by 8 positive divisors.
The sum of these divisors (counting 21752689) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010111110101101110001
3
Ternary
1111221011002011
4
Quaternary
1102332231301
5
Quinary
21032041224
6
Senary
2054122521
8
Octal
122765561
10
Decimal
21752689
12
Duodecimal
7350441
16
Hexadecimal
14beb71
20
Vigesimal
6fj1e9
36
Base36
cy8hd
md5
d20306936b61cdc5d2ce5c54308ce28f
sha1
0e296ab9754cbabbd47faec16f0cc08267bc2033
sha256
9195bf57caee91dbd0715a6f49c713fade18ddbcd15df79bf61c9b1adee12696
sha512
b480413e2c4efcc9fd1ca69ca52ebd9dc7b1fb093d90c69542bc69548b72cb4e2d327fd20bb7cf86c4d226173cd15c5c6c1d8177d0181ce1a380402eedbbfbea
ripemd-160
b817753af09bd8be70a0036e3d6696264a35953e
Diameter
43505378
Circumference
136676175.91645
Area
1.4865371742099E+15
Volume
4.3114907783368E+22
Surface area
5.9461486968395E+15
Circumference
136676175.91645
Perimeter
87010756
Area
473179478730721
Diagonal
30762947.801884
Surface area
2839076872384326
Volume
1.0292926042011E+22
Space diagonal
37676762.549245
Perimeter
65258067
Area
2.0489272456514E+14
Altitude
18838381.274622
Surface area
2.0489272456514E+14
Volume
1.213032967093E+21
Height
10254315.933961