20995909 is an odd 8-digits composite number following 20995908
and preceding 20995910 . In scientific notation, it is written as 2.0995909 × 10^7.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 18308160 positive integers (up to 20995909) that are relatively prime to 20995909.
20995909 has 8 divisors, whose sum is 22947552
The reverse of 20995909 is 90959902
Previous prime number is 2923
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty million nine hundred ninety-five thousand nine hundred nine
Scientific notation
2.0995909 × 10^7
Engineering notation
2.0995909 × 10^6
Prime Factorization
11 × 2923 × 653
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20995909
Product of the distinct prime numbers
The prime factorization of 20995909 is 11 × 2923 × 653.
Since it has a total of 3 prime factors.
6 , 6 , 3 , 20 , 4 , 415 , 9610 , 8277 , 79931 , 72939 , 557347 , 66675 , 6091513 , 399452 , 75817906 , 95279607 , 665016459 , 287142038 , 5324312081 , 126554639
n×2
41991818
n×3
62987727
n×4
83983636
n×5
104979545
n÷2
10497954.5
n÷3
6998636.3333333
n÷3
5248977.25
n÷5
4199181.8
n2
440828194736281
n3
9.2555886613172E+21
n4
1.9432949727445E+29
n5
4.0801244407901E+36
2 √n
4582.1293085202
3 √n
275.87450098445
4 √n
67.691427141996
5 √n
29.13579926682
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
-20995908
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 20995909 can be divided by 8 positive divisors.
The sum of these divisors (counting 20995909) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000000101111101000101
3
Ternary
1110111200222021
4
Quaternary
1100011331011
5
Quinary
20333332114
6
Senary
2030003141
8
Octal
120057505
10
Decimal
20995909
12
Duodecimal
70464b1
16
Hexadecimal
1405f45
20
Vigesimal
6b49f9
36
Base36
ci0jp
md5
39402063d53e72fa4f95ebd4438377f3
sha1
3d9e7724b90d38e01eb15027e55645668041034d
sha256
da9cea8f3e70f753bb9f1095df6f870b070ea937abd3e689df0614e7474f80ae
sha512
d2c4ba36b7d948875349812a0c115befcd5f7cac0a56905ea22930a644744d7e446dc179c31cfece3c9b0ef76f3b74641282df6438473903d3a9c33bcbb8977c
ripemd-160
8b83cca3b2fa32dc8d6e926635679ba32b1dd316
Diameter
41991818
Circumference
131921186.93968
Area
1.3849026180788E+15
Volume
3.8769719124058E+22
Surface area
5.539610472315E+15
Circumference
131921186.93968
Perimeter
83983636
Area
440828194736281
Diagonal
29692699.262151
Surface area
2644969168417686
Volume
9.2555886613172E+21
Space diagonal
36365981.139093
Perimeter
62987727
Area
1.9088420767303E+14
Altitude
18182990.569546
Surface area
1.9088420767303E+14
Volume
1.0907815843818E+21
Height
9897566.4207171