21998982 is an even 8-digits composite number following 21998981
and preceding 21998983 . In scientific notation, it is written as 2.1998982 × 10^7.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 7316232 positive integers (up to 21998982) that are relatively prime to 21998982.
21998982 has 16 divisors, whose sum is 44098560
The reverse of 21998982 is 28989912
Previous prime number is 463
Is Prime? no
Number parity even
Number length 8
Sum of Digits 48
Digital Root 3
Name
twenty-one million nine hundred ninety-eight thousand nine hundred eighty-two
Scientific notation
2.1998982 × 10^7
Engineering notation
2.1998982 × 10^6
Prime Factorization
2 × 3 × 463 × 7919
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21998982
Product of the distinct prime numbers
The prime factorization of 21998982 is 2 × 3 × 463 × 7919.
Since it has a total of 4 prime factors.
6 , 10 , 49 , 15 , 178 , 526 , 8250 , 4752 , 20602 , 36695 , 461415 , 823843 , 1765943 , 1565194 , 64345524 , 31099115 , 920363364 , 843168472 , 1282345503 , 5693317341
n×2
43997964
n×3
65996946
n×4
87995928
n×5
109994910
n÷2
10999491
n÷3
7332994
n÷3
5499745.5
n÷5
4399796.4
n2
483955209036324
n3
1.0646521932396E+22
n4
2.3421264435339E+29
n5
5.1524397473027E+36
2 √n
4690.3072394034
3 √n
280.19961106548
4 √n
68.485817797581
5 √n
29.409017573566
1 , 2 , 3 , 6 , 463 , 926 , 1389 , 2778 , 7919 , 15838 , 23757 , 47514 , 3666497 , 7332994 , 10999491 , 21998982
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21998981
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21998982 can be divided by 16 positive divisors.
The sum of these divisors (counting 21998982) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010011111010110110000110
3
Ternary
1112101122221010
4
Quaternary
1103322312012
5
Quinary
21112431412
6
Senary
2103303050
8
Octal
123726606
10
Decimal
21998982
12
Duodecimal
744aa86
16
Hexadecimal
14fad86
20
Vigesimal
6h9h92
36
Base36
d3iiu
md5
54943527e3136c775149c83371a9ef36
sha1
d9af6252c63a7132fea107936b8e2b920f8131fe
sha256
0539c9e502dc7b40d2b2511dd1a574402d549e33aaf4f451e8272d685b419cd2
sha512
8fd3bf1c2c73f13c8fc3de4236acb64db701b9a57b38e56ea56c8297bf1ae040bab28b8614cdbb296a79531cfa49412caf18492d562d249e48927e08728e83c7
ripemd-160
2dfc717459746a6e4b9d78ab53727ac28cec60df
Diameter
43997964
Circumference
138223680.47531
Area
1.520390129375E+15
Volume
4.4596046785465E+22
Surface area
6.0815605175001E+15
Circumference
138223680.47531
Perimeter
87995928
Area
483955209036324
Diagonal
31111258.702802
Surface area
2903731254217944
Volume
1.0646521932396E+22
Space diagonal
38103354.538793
Perimeter
65996946
Area
2.0955875265963E+14
Altitude
19051677.269397
Surface area
2.0955875265963E+14
Volume
1.2547046424081E+21
Height
10370419.567601