21998345 is an odd 8-digits composite number following 21998344
and preceding 21998346 . In scientific notation, it is written as 2.1998345 × 10^7.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 17169280 positive integers (up to 21998345) that are relatively prime to 21998345.
21998345 has 8 divisors, whose sum is 27042120
The reverse of 21998345 is 54389912
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty-one million nine hundred ninety-eight thousand three hundred forty-five
Scientific notation
2.1998345 × 10^7
Engineering notation
2.1998345 × 10^6
Prime Factorization
5 × 41 × 107309
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21998345
Product of the distinct prime numbers
The prime factorization of 21998345 is 5 × 41 × 107309.
Since it has a total of 3 prime factors.
9 , 2 , 49 , 2 , 782 , 327 , 7794 , 9971 , 98696 , 61301 , 453059 , 669349 , 6646672 , 6782870 , 23289360 , 35935564 , 243897607 , 386179073 , 5910209711 , 5716752393
n×2
43996690
n×3
65995035
n×4
87993380
n×5
109991725
n÷2
10999172.5
n÷3
7332781.6666667
n÷3
5499586.25
n÷5
4399669
n2
483927182739025
n3
1.0645597120771E+22
n4
2.3418551819373E+29
n5
5.1516938232294E+36
2 √n
4690.2393329126
3 √n
280.19690656344
4 √n
68.485322025326
5 √n
29.408847258765
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
-21998344
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 21998345 can be divided by 8 positive divisors.
The sum of these divisors (counting 21998345) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010011111010101100001001
3
Ternary
1112101122001112
4
Quaternary
1103322230021
5
Quinary
21112421340
6
Senary
2103300105
8
Octal
123725411
10
Decimal
21998345
12
Duodecimal
744a635
16
Hexadecimal
14fab09
20
Vigesimal
6h9fh5
36
Base36
d3i15
md5
d0fcb8e24368d240754f97aeae4446c5
sha1
0fe374122a83398f7e6ff8d75fa8e48b822beaa1
sha256
0897466cd3aa2a2082454dadcc75957d200bd2bb9aaa247c5ce25d4f815bae88
sha512
43223b53f0c97277fbfc88788b9a2c6ea72ea5f67e199a852613ed41063434764e2b153d60b0f510dc5f01c0a4a498da628609fb319104ecd233d056ad73a834
ripemd-160
014235fbff1b2ec4568f7a6a55c43b9fb52f02e0
Diameter
43996690
Circumference
138219678.08627
Area
1.5203020821653E+15
Volume
4.4592172943588E+22
Surface area
6.0812083286613E+15
Circumference
138219678.08627
Perimeter
87993380
Area
483927182739025
Diagonal
31110357.848762
Surface area
2903563096434150
Volume
1.0645597120771E+22
Space diagonal
38102251.222429
Perimeter
65995035
Area
2.0954661691691E+14
Altitude
19051125.611214
Surface area
2.0954661691691E+14
Volume
1.2545956523129E+21
Height
10370119.282921