21997382 is an even 8-digits composite number following 21997381
and preceding 21997383 . In scientific notation, it is written as 2.1997382 × 10^7.
The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors.
There are 9861120 positive integers (up to 21997382) that are relatively prime to 21997382.
21997382 has 16 divisors, whose sum is 36491472
The reverse of 21997382 is 28379912
Previous prime number is 73
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty-one million nine hundred ninety-seven thousand three hundred eighty-two
Scientific notation
2.1997382 × 10^7
Engineering notation
2.1997382 × 10^6
Prime Factorization
2 × 11 × 73 × 13697
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21997382
Product of the distinct prime numbers
The prime factorization of 21997382 is 2 × 11 × 73 × 13697.
Since it has a total of 4 prime factors.
4 , 3 , 20 , 52 , 527 , 401 , 98 , 9448 , 42798 , 75161 , 801452 , 176467 , 4367187 , 6237802 , 79114373 , 63154145 , 757709336 , 673618961 , 8011476230 , 9226116909
n×2
43994764
n×3
65992146
n×4
87989528
n×5
109986910
n÷2
10998691
n÷3
7332460.6666667
n÷3
5499345.5
n÷5
4399476.4
n2
483884814853924
n3
1.0644199116341E+22
n4
2.3414451404622E+29
n5
5.150566318679E+36
2 √n
4690.1366717826
3 √n
280.19281786861
4 √n
68.484572509308
5 √n
29.408589773797
1 , 2 , 11 , 22 , 73 , 146 , 803 , 1606 , 13697 , 27394 , 150667 , 301334 , 999881 , 1999762 , 10998691 , 21997382
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
-21997381
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 21997382 can be divided by 16 positive divisors.
The sum of these divisors (counting 21997382) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010011111010011101000110
3
Ternary
1112101120201212
4
Quaternary
1103322131012
5
Quinary
21112404012
6
Senary
2103251422
8
Octal
123723506
10
Decimal
21997382
12
Duodecimal
7449b72
16
Hexadecimal
14fa746
20
Vigesimal
6h9d92
36
Base36
d3hae
md5
a11d50f317c1bad59865318467f74a40
sha1
f2571ee7369b26a21cd9e33cd194243e1e2e8eb4
sha256
2912d1e88911d10d10c32db64ac146ad5d036ff1473492e3deccc23a6b263ba6
sha512
412503356f90aee38ba9ff5a48cbf2a07c169cf6f896714563929e302f6806ffb5780aa8c202eab83aa36db234dd456e3e917b273eb8c0964089359dc260b8bb
ripemd-160
9d382bd4bd09a83cef755a0a9350a4362e7db25b
Diameter
43994764
Circumference
138213627.37882
Area
1.5201689795287E+15
Volume
4.4586316996325E+22
Surface area
6.080675918115E+15
Circumference
138213627.37882
Perimeter
87989528
Area
483884814853924
Diagonal
31108995.961102
Surface area
2903308889123544
Volume
1.0644199116341E+22
Space diagonal
38100583.257501
Perimeter
65992146
Area
2.0952827108451E+14
Altitude
19050291.628751
Surface area
2.0952827108451E+14
Volume
1.2544308959108E+21
Height
10369665.320367