21506799 is an odd 8-digits composite number following 21506798
and preceding 21506800 . In scientific notation, it is written as 2.1506799 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 12 positive divisors.
There are 14115024 positive integers (up to 21506799) that are relatively prime to 21506799.
21506799 has 12 divisors, whose sum is 29128344
The reverse of 21506799 is 99760512
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-one million five hundred six thousand seven hundred ninety-nine
Scientific notation
2.1506799 × 10^7
Engineering notation
2.1506799 × 10^6
Prime Factorization
3 × 67 × 67 × 1597
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
320997
Product of the distinct prime numbers
The prime factorization of 21506799 is 3 × 67 × 67 × 1597.
Since it has a total of 4 prime factors.
10 , 3 , 54 , 6 , 7 , 984 , 1780 , 8397 , 41524 , 25091 , 949810 , 835006 , 7194352 , 9371680 , 63241685 , 55344099 , 558853122 , 55554750 , 6973119180 , 977461676
n×2
43013598
n×3
64520397
n×4
86027196
n×5
107533995
n÷2
10753399.5
n÷3
7168933
n÷3
5376699.75
n÷5
4301359.8
n2
462542403226401
n3
9.9478064951672E+21
n4
2.1394547478245E+29
n5
4.6012823231058E+36
2 √n
4637.5423448202
3 √n
278.09419629389
4 √n
68.099503264122
5 √n
29.276230326734
1 , 3 , 67 , 201 , 1597 , 4489 , 4791 , 13467 , 106999 , 320997 , 7168933 , 21506799
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
-21506798
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 21506799 can be divided by 12 positive divisors.
The sum of these divisors (counting 21506799) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010010000010101011101111
3
Ternary
1111110122210010
4
Quaternary
1102002223233
5
Quinary
21001204144
6
Senary
2044544303
8
Octal
122025357
10
Decimal
21506799
12
Duodecimal
7252093
16
Hexadecimal
1482aef
20
Vigesimal
6e86jj
36
Base36
csyr3
md5
115c9e48b2ebb9444f365a7dc7028ecc
sha1
762333ac3f1fefb0b2337e275a89a4b0ef7a2889
sha256
88eeb6082137888979636e950e1b32e53d25567bedf2bbb83c6f2d76160e5256
sha512
28c94f614cd7dd0968683e8f3fcc533ea6c46e651a0baa0619d0f5fd0f279e788f1ea0faf704b8d64ba224f9f9a4db4dd2554d040415127d0735f0b7b4de1884
ripemd-160
da870669c00e6cbc4e361f8155c50687e2a11127
Diameter
43013598
Circumference
135131203.48126
Area
1.4531198159498E+15
Volume
4.1669274406067E+22
Surface area
5.8124792637993E+15
Circumference
135131203.48126
Perimeter
86027196
Area
462542403226401
Diagonal
30415206.829032
Surface area
2775254419358406
Volume
9.9478064951672E+21
Space diagonal
37250868.576172
Perimeter
64520397
Area
2.0028673576078E+14
Altitude
18625434.288086
Surface area
2.0028673576078E+14
Volume
1.172360238444E+21
Height
10138402.276344