21689982 is an even 8-digits composite number following 21689981
and preceding 21689983 . In scientific notation, it is written as 2.1689982 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors.
There are 6849360 positive integers (up to 21689982) that are relatively prime to 21689982.
21689982 has 24 divisors, whose sum is 49469160
The reverse of 21689982 is 28998612
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty-one million six hundred eighty-nine thousand nine hundred eighty-two
Scientific notation
2.1689982 × 10^7
Engineering notation
2.1689982 × 10^6
Prime Factorization
2 × 3 × 3 × 19 × 63421
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
7229994
Product of the distinct prime numbers
The prime factorization of 21689982 is 2 × 3 × 3 × 19 × 63421.
Since it has a total of 5 prime factors.
9 , 4 , 33 , 58 , 115 , 911 , 2981 , 7820 , 5864 , 9322 , 654575 , 453526 , 7206551 , 4624394 , 72052018 , 88235394 , 900738212 , 490038221 , 4432342230 , 4365096914
n×2
43379964
n×3
65069946
n×4
86759928
n×5
108449910
n÷2
10844991
n÷3
7229994
n÷3
5422495.5
n÷5
4337996.4
n2
470455319160324
n3
1.0204167404392E+22
n4
2.2132820732624E+29
n5
4.8006048329985E+36
2 √n
4657.2504764077
3 √n
278.88151595974
4 √n
68.244050849929
5 √n
29.325933020388
1 , 2 , 3 , 6 , 9 , 18 , 19 , 38 , 57 , 114 , 171 , 342 , 63421 , 126842 , 190263 , 380526 , 570789 , 1141578 , 1204999 , 2409998 , 3614997 , 7229994 , 10844991 , 21689982
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21689981
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21689982 can be divided by 24 positive divisors.
The sum of these divisors (counting 21689982) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010010101111011001111110
3
Ternary
1111210222001200
4
Quaternary
1102233121332
5
Quinary
21023034412
6
Senary
2052520330
8
Octal
122573176
10
Decimal
21689982
12
Duodecimal
73200a6
16
Hexadecimal
14af67e
20
Vigesimal
6fb4j2
36
Base36
cww3i
md5
ba6e86c0dd83dd662fde665c598dd327
sha1
d0d5ecb6d15387751862382793bd52a616dfbb8a
sha256
ce24cbf8bd50c79c21422f85fa1d4b4e95ba0a51d02161bc5155c402caeffee8
sha512
628e3db9ca620c294596075eabd921c586ea25deceb2469341a010fb9c9f3bf2ea2591e1767aa8d5204cecc4f4bdc1060cf6623f97a9a1eae3d0d8729648afb8
ripemd-160
b85b4b1314bdf28451a3c8193bdaf69bba1b2908
Diameter
43379964
Circumference
136282176.21539
Area
1.4779789745163E+15
Volume
4.2743116471516E+22
Surface area
5.9119158980653E+15
Circumference
136282176.21539
Perimeter
86759928
Area
470455319160324
Diagonal
30674266.712028
Surface area
2822731914961944
Volume
1.0204167404392E+22
Space diagonal
37568150.839254
Perimeter
65069946
Area
2.0371312886918E+14
Altitude
18784075.419627
Surface area
2.0371312886918E+14
Volume
1.2025726613347E+21
Height
10224755.570676