21969916 is an even 8-digits composite number following 21969915
and preceding 21969917 . In scientific notation, it is written as 2.1969916 × 10^7.
The sum of its digits is 43. It has a total of 4 prime factors and 12 positive divisors.
There are 10338752 positive integers (up to 21969916) that are relatively prime to 21969916.
21969916 has 12 divisors, whose sum is 40709088
The reverse of 21969916 is 61996912
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty-one million nine hundred sixty-nine thousand nine hundred sixteen
Scientific notation
2.1969916 × 10^7
Engineering notation
2.1969916 × 10^6
Prime Factorization
2 × 2 × 17 × 323087
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10984958
Product of the distinct prime numbers
The prime factorization of 21969916 is 2 × 2 × 17 × 323087.
Since it has a total of 4 prime factors.
1 , 1 , 75 , 64 , 528 , 770 , 4983 , 6179 , 37206 , 44332 , 804527 , 409563 , 318894 , 6705498 , 81097373 , 52437056 , 442829167 , 513925961 , 8247173236 , 4436326004
n×2
43939832
n×3
65909748
n×4
87879664
n×5
109849580
n÷2
10984958
n÷3
7323305.3333333
n÷3
5492479
n÷5
4393983.2
n2
482677209047056
n3
1.0604377737878E+22
n4
2.3297728813346E+29
n5
5.1184914501998E+36
2 √n
4687.207697553
3 √n
280.07615275593
4 √n
68.463184979615
5 √n
29.401242171741
1 , 2 , 4 , 17 , 34 , 68 , 323087 , 646174 , 1292348 , 5492479 , 10984958 , 21969916
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21969915
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21969916 can be divided by 12 positive divisors.
The sum of these divisors (counting 21969916) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010011110011101111111100
3
Ternary
1112100012001121
4
Quaternary
1103303233330
5
Quinary
21111014131
6
Senary
2102520324
8
Octal
123635774
10
Decimal
21969916
12
Duodecimal
74360a4
16
Hexadecimal
14f3bfc
20
Vigesimal
6h64fg
36
Base36
d2w3g
md5
304f9d7e06d0d994f4e1c37186f7fce3
sha1
102dc8cfe9ae093c479c3a827f1b0fd11d94cb3a
sha256
32d087150edc8863742f15da6b4ee9f8ba88bfd60ccb3ff0eb4b27a21173e036
sha512
0b196d7587a35b8ec78e1532618d82862ca9f9b5fd11f1ddc578d82297a45bfa447eec82454d63027ed7ae4b0a36619538217ccdd349809f51968cbba88a1f2f
ripemd-160
95ba74a31bce869d71ba92808f6dd0ef79940d77
Diameter
43939832
Circumference
138041053.41117
Area
1.5163751739975E+15
Volume
4.4419513596279E+22
Surface area
6.0655006959898E+15
Circumference
138041053.41117
Perimeter
87879664
Area
482677209047056
Diagonal
31070153.171398
Surface area
2896063254282336
Volume
1.0604377737878E+22
Space diagonal
38053010.75002
Perimeter
65909748
Area
2.0900536243126E+14
Altitude
19026505.37501
Surface area
2.0900536243126E+14
Volume
1.2497379014529E+21
Height
10356717.723799