21695540 is an even 8-digits composite number following 21695539
and preceding 21695541 . In scientific notation, it is written as 2.1695540 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors.
There are 8678208 positive integers (up to 21695540) that are relatively prime to 21695540.
21695540 has 12 divisors, whose sum is 45560676
The reverse of 21695540 is 04559612
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million six hundred ninety-five thousand five hundred forty
Scientific notation
2.1695540 × 10^7
Engineering notation
2.1695540 × 10^6
Prime Factorization
2 × 2 × 5 × 1084777
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10847770
Product of the distinct prime numbers
The prime factorization of 21695540 is 2 × 2 × 5 × 1084777.
Since it has a total of 4 prime factors.
7 , 9 , 31 , 37 , 340 , 606 , 4223 , 4629 , 88942 , 36258 , 791502 , 889829 , 3455888 , 9365192 , 24682431 , 82394778 , 943039491 , 587989192 , 4557235326 , 4074893830
n×2
43391080
n×3
65086620
n×4
86782160
n×5
108477700
n÷2
10847770
n÷3
7231846.6666667
n÷3
5423885
n÷5
4339108
n2
470696455891600
n3
1.0212013786654E+22
n4
2.2155515358891E+29
n5
4.8067586968944E+36
2 √n
4657.8471421892
3 √n
278.90533480674
4 √n
68.248422268864
5 √n
29.327435804776
1 , 2 , 4 , 5 , 10 , 20 , 1084777 , 2169554 , 4339108 , 5423885 , 10847770 , 21695540
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
-21695539
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 21695540 can be divided by 12 positive divisors.
The sum of these divisors (counting 21695540) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010010110000110000110100
3
Ternary
1111211020200112
4
Quaternary
1102300300310
5
Quinary
21023224130
6
Senary
2053002152
8
Octal
122606064
10
Decimal
21695540
12
Duodecimal
7323358
16
Hexadecimal
14b0c34
20
Vigesimal
6fbih0
36
Base36
cx0dw
md5
163f44c9135058064c4e7f3cc3a7ec80
sha1
c64012e3224a258eb93d99db8bdcbb9692e5347c
sha256
106a3bb1fceece02b74e46f7c24c8a4eb7327904335b65288a0e8d960b536d71
sha512
dbaf0986f3d53fa2822e9b12aeb9ea967089085543fa6b1844af44fa8930600eac88c266881bc2596ed4c16d7a607ad1c94f207cc7c0a73b84e020b6799b7047
ripemd-160
9e92b0c9fb27a31c6ba7b265c810dd37f119ed29
Diameter
43391080
Circumference
136317098.15933
Area
1.4787365278998E+15
Volume
4.2775983320682E+22
Surface area
5.9149461115992E+15
Circumference
136317098.15933
Perimeter
86782160
Area
470696455891600
Diagonal
30682126.911008
Surface area
2824178735349600
Volume
1.0212013786654E+22
Space diagonal
37577777.577643
Perimeter
65086620
Area
2.0381754413671E+14
Altitude
18788888.788821
Surface area
2.0381754413671E+14
Volume
1.2034973663523E+21
Height
10227375.637003