21998984 is an even 8-digits composite number following 21998983
and preceding 21998985 . In scientific notation, it is written as 2.1998984 × 10^7.
The sum of its digits is 50. It has a total of 6 prime factors and 32 positive divisors.
There are 9312576 positive integers (up to 21998984) that are relatively prime to 21998984.
21998984 has 32 divisors, whose sum is 47718720
The reverse of 21998984 is 48989912
Previous prime number is 83
Is Prime? no
Number parity even
Number length 8
Sum of Digits 50
Digital Root 5
Name
twenty-one million nine hundred ninety-eight thousand nine hundred eighty-four
Scientific notation
2.1998984 × 10^7
Engineering notation
2.1998984 × 10^6
Prime Factorization
2 × 2 × 2 × 7 × 83 × 4733
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5499746
Product of the distinct prime numbers
The prime factorization of 21998984 is 2 × 2 × 2 × 7 × 83 × 4733.
Since it has a total of 6 prime factors.
4 , 6 , 34 , 5 , 368 , 155 , 7377 , 5053 , 19373 , 28275 , 144762 , 723988 , 8333897 , 5305602 , 63859598 , 64382993 , 994610625 , 125504564 , 2998703876 , 3518371230
n×2
43997968
n×3
65996952
n×4
87995936
n×5
109994920
n÷2
10999492
n÷3
7332994.6666667
n÷3
5499746
n÷5
4399796.8
n2
483955297032256
n3
1.0646524836128E+22
n4
2.3421272952558E+29
n5
5.1524420894295E+36
2 √n
4690.3074526091
3 √n
280.19961955677
4 √n
68.485819354148
5 √n
29.4090181083
1 , 2 , 4 , 7 , 8 , 14 , 28 , 56 , 83 , 166 , 332 , 581 , 664 , 1162 , 2324 , 4648 , 4733 , 9466 , 18932 , 33131 , 37864 , 66262 , 132524 , 265048 , 392839 , 785678 , 1571356 , 2749873 , 3142712 , 5499746 , 10999492 , 21998984
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21998983
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21998984 can be divided by 32 positive divisors.
The sum of these divisors (counting 21998984) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010011111010110110001000
3
Ternary
1112101122221012
4
Quaternary
1103322312020
5
Quinary
21112431414
6
Senary
2103303052
8
Octal
123726610
10
Decimal
21998984
12
Duodecimal
744aa88
16
Hexadecimal
14fad88
20
Vigesimal
6h9h94
36
Base36
d3iiw
md5
b38017bdaa3f8953416c4432d914b926
sha1
319d1fa3cb8ffdf9dd98192955c8d5d85057bb3d
sha256
2bf1090522bcd7a82654f5058ec7459e0c9a89f8ecf467dba98a1aeb4fa7e827
sha512
2044bb14bd2e4f59af18e096cd5982130b276b3b0c17969800d02391bc8d0d090226d77e29018acdb41fde0df852ed1308402b5363ed4750f227ef450c896ad2
ripemd-160
bd67369c3a83ef010ea42ebc73314e16e1cf6d1e
Diameter
43997968
Circumference
138223693.04168
Area
1.5203904058224E+15
Volume
4.4596058948587E+22
Surface area
6.0815616232896E+15
Circumference
138223693.04168
Perimeter
87995936
Area
483955297032256
Diagonal
31111261.531229
Surface area
2903731782193536
Volume
1.0646524836128E+22
Space diagonal
38103358.002895
Perimeter
65996952
Area
2.0955879076299E+14
Altitude
19051679.001447
Surface area
2.0955879076299E+14
Volume
1.2547049846162E+21
Height
10370420.51041