21997966 is an even 8-digits composite number following 21997965
and preceding 21997967 . In scientific notation, it is written as 2.1997966 × 10^7.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 10209024 positive integers (up to 21997966) that are relatively prime to 21997966.
21997966 has 8 divisors, whose sum is 33027264
The reverse of 21997966 is 66979912
Previous prime number is 1241
Is Prime? no
Number parity even
Number length 8
Sum of Digits 49
Digital Root 4
Name
twenty-one million nine hundred ninety-seven thousand nine hundred sixty-six
Scientific notation
2.1997966 × 10^7
Engineering notation
2.1997966 × 10^6
Prime Factorization
2 × 1241 × 8863
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21997966
Product of the distinct prime numbers
The prime factorization of 21997966 is 2 × 1241 × 8863.
Since it has a total of 3 prime factors.
6 , 9 , 16 , 77 , 896 , 413 , 4289 , 6072 , 23315 , 8088 , 453845 , 680219 , 6045899 , 5372539 , 46505396 , 64923628 , 601932042 , 896051020 , 516992291 , 6998637519
n×2
43995932
n×3
65993898
n×4
87991864
n×5
109989830
n÷2
10998983
n÷3
7332655.3333333
n÷3
5499491.5
n÷5
4399593.2
n2
483910508137156
n3
1.0645046905044E+22
n4
2.3416937988556E+29
n5
5.1512500569636E+36
2 √n
4690.198929683
3 √n
280.19529742364
4 √n
68.4850270474
5 √n
29.408745923598
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
-21997965
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 21997966 can be divided by 8 positive divisors.
The sum of these divisors (counting 21997966) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010011111010100110001110
3
Ternary
1112101121112111
4
Quaternary
1103322212032
5
Quinary
21112413331
6
Senary
2103254234
8
Octal
123724616
10
Decimal
21997966
12
Duodecimal
744a37a
16
Hexadecimal
14fa98e
20
Vigesimal
6h9ei6
36
Base36
d3hqm
md5
c3b72d81741b01840d7ab671ed8b7c3b
sha1
e644847426930411f7d2a41e57b977744a976d8c
sha256
6f4359bce98cda15efcabf4ebdf35d0c0e71afae33d107a8771b079232178792
sha512
87c3a1d1e5cd5443e05cb41a08de03d53c843ab472b9e123ccd2b7772f2806282ff5c728b07c8d7a801f138a26249df88e84750d2382a00b152028226dd82425
ripemd-160
039fd1edb1b46664c9f82cad92ef1c129893eed3
Diameter
43995932
Circumference
138217296.75904
Area
1.5202496973586E+15
Volume
4.4589868205339E+22
Surface area
6.0809987894344E+15
Circumference
138217296.75904
Perimeter
87991864
Area
483910508137156
Diagonal
31109821.861822
Surface area
2903463048822936
Volume
1.0645046905044E+22
Space diagonal
38101594.775173
Perimeter
65993898
Area
2.0953939660251E+14
Altitude
19050797.387586
Surface area
2.0953939660251E+14
Volume
1.2545308087676E+21
Height
10369940.620607