21799909 is an odd 8-digits composite number following 21799908
and preceding 21799910 . In scientific notation, it is written as 2.1799909 × 10^7.
The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors.
There are 20991600 positive integers (up to 21799909) that are relatively prime to 21799909.
21799909 has 8 divisors, whose sum is 22612320
The reverse of 21799909 is 90999712
Previous prime number is 491
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
twenty-one million seven hundred ninety-nine thousand nine hundred nine
Scientific notation
2.1799909 × 10^7
Engineering notation
2.1799909 × 10^6
Prime Factorization
29 × 491 × 1531
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21799909
Product of the distinct prime numbers
The prime factorization of 21799909 is 29 × 491 × 1531.
Since it has a total of 3 prime factors.
3 , 1 , 77 , 53 , 176 , 926 , 1320 , 9042 , 97273 , 2864 , 213164 , 812297 , 3228789 , 6170370 , 26689491 , 21682329 , 980090726 , 310098227 , 2730229330 , 3882698622
n×2
43599818
n×3
65399727
n×4
87199636
n×5
108999545
n÷2
10899954.5
n÷3
7266636.3333333
n÷3
5449977.25
n÷5
4359981.8
n2
475236032408281
n3
1.0360102260022E+22
n4
2.2584928649916E+29
n5
4.9234938933967E+36
2 √n
4669.037266932
3 √n
279.35185542309
4 √n
68.330353920728
5 √n
29.355598295389
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
-21799908
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 21799909 can be divided by 8 positive divisors.
The sum of these divisors (counting 21799909) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010011001010001111100101
3
Ternary
1112000112212001
4
Quaternary
1103022033211
5
Quinary
21040044114
6
Senary
2055125301
8
Octal
123121745
10
Decimal
21799909
12
Duodecimal
7373831
16
Hexadecimal
14ca3e5
20
Vigesimal
6g4jf9
36
Base36
cz8x1
md5
a3174b8e93e95ad4e845377809b1c39c
sha1
62b53a23691047fc32871f72f5087dc25d24e915
sha256
d0d04628f04c826e767da717f060c813183ba63b327c3a6e9cc7c47bcb217956
sha512
46720f75a56185140d2c6ddf2557aa09dbb4cbe54ff0ad4d4fb5fb46e7b4207c48f3144864a6cf2d2c366a81833618cd12b5384422758815cbfcde0f9906c200
ripemd-160
ed092dc3e98d243c28bbda722bd0f58867b960cb
Diameter
43599818
Circumference
136972867.92665
Area
1.492998028135E+15
Volume
4.3396294867364E+22
Surface area
5.9719921125401E+15
Circumference
136972867.92665
Perimeter
87199636
Area
475236032408281
Diagonal
30829726.966299
Surface area
2851416194449686
Volume
1.0360102260022E+22
Space diagonal
37758549.988378
Perimeter
65399727
Area
2.0578323842965E+14
Altitude
18879274.994189
Surface area
2.0578323842965E+14
Volume
1.2209497603079E+21
Height
10276575.655433