21998968 is an even 8-digits composite number following 21998967
and preceding 21998969 . In scientific notation, it is written as 2.1998968 × 10^7.
The sum of its digits is 52. It has a total of 5 prime factors and 16 positive divisors.
There are 10985568 positive integers (up to 21998968) that are relatively prime to 21998968.
21998968 has 16 divisors, whose sum is 41300280
The reverse of 21998968 is 86989912
Previous prime number is 1213
Is Prime? no
Number parity even
Number length 8
Sum of Digits 52
Digital Root 7
Name
twenty-one million nine hundred ninety-eight thousand nine hundred sixty-eight
Scientific notation
2.1998968 × 10^7
Engineering notation
2.1998968 × 10^6
Prime Factorization
2 × 2 × 2 × 1213 × 2267
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5499742
Product of the distinct prime numbers
The prime factorization of 21998968 is 2 × 2 × 2 × 1213 × 2267.
Since it has a total of 5 prime factors.
2 , 1 , 21 , 60 , 432 , 127 , 7023 , 1782 , 19081 , 88261 , 803285 , 110023 , 534007 , 6779914 , 53305950 , 72992630 , 618176858 , 280283245 , 1942813576 , 3748360815
n×2
43997936
n×3
65996904
n×4
87995872
n×5
109994840
n÷2
10999484
n÷3
7332989.3333333
n÷3
5499742
n÷5
4399793.6
n2
483954593065024
n3
1.064650160629E+22
n4
2.3421204814873E+29
n5
5.1524233524384E+36
2 √n
4690.3057469636
3 √n
280.19955162644
4 √n
68.485806901603
5 √n
29.409013830426
1 , 2 , 4 , 8 , 1213 , 2267 , 2426 , 4534 , 4852 , 9068 , 9704 , 18136 , 2749871 , 5499742 , 10999484 , 21998968
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
-21998967
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 21998968 can be divided by 16 positive divisors.
The sum of these divisors (counting 21998968) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010011111010110101111000
3
Ternary
1112101122220121
4
Quaternary
1103322311320
5
Quinary
21112431333
6
Senary
2103303024
8
Octal
123726570
10
Decimal
21998968
12
Duodecimal
744aa74
16
Hexadecimal
14fad78
20
Vigesimal
6h9h88
36
Base36
d3iig
md5
c163c67611b82f71fc1ea0843bba2a3e
sha1
960c0224c93417dc47deca49a917dd24b384f709
sha256
d55d9a8fa374119a16b924d549262c81a2820d658c0897b7d93956a8913de85f
sha512
b7ba707215ecc9999173462a73c2eabdeaee69d78d63377793a5510d743a9ef83de66567e13b87335b910e5eb7e32ebe383e70314cb3b987c624f4cfcb633b3f
ripemd-160
8b89f5eca5a4a85f972df693b83fcf9942e155f5
Diameter
43997936
Circumference
138223592.51071
Area
1.5203881942441E+15
Volume
4.4595961643672E+22
Surface area
6.0815527769765E+15
Circumference
138223592.51071
Perimeter
87995872
Area
483954593065024
Diagonal
31111238.903812
Surface area
2903727558390144
Volume
1.064650160629E+22
Space diagonal
38103330.290082
Perimeter
65996904
Area
2.0955848593624E+14
Altitude
19051665.145041
Surface area
2.0955848593624E+14
Volume
1.2547022469536E+21
Height
10370412.967937