21106919 is an odd 8-digits composite number following 21106918
and preceding 21106920 . In scientific notation, it is written as 2.1106919 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 21073944 positive integers (up to 21106919) that are relatively prime to 21106919.
21106919 has 4 divisors, whose sum is 21139896
The reverse of 21106919 is 91960112
Previous prime number is 653
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million one hundred six thousand nine hundred nineteen
Scientific notation
2.1106919 × 10^7
Engineering notation
2.1106919 × 10^6
Prime Factorization
653 × 32323
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21106919
Product of the distinct prime numbers
The prime factorization of 21106919 is 653 × 32323.
Since it has a total of 2 prime factors.
4 , 2 , 87 , 6 , 188 , 373 , 8923 , 4223 , 71979 , 19495 , 488533 , 588843 , 8159295 , 6296888 , 21811422 , 17471744 , 77027885 , 877958056 , 8229998965 , 3861756038
n×2
42213838
n×3
63320757
n×4
84427676
n×5
105534595
n÷2
10553459.5
n÷3
7035639.6666667
n÷3
5276729.75
n÷5
4221383.8
n2
445502029672561
n3
9.4031752546343E+21
n4
1.9847205844237E+29
n5
4.1891336613064E+36
2 √n
4594.2267031569
3 √n
276.35984970849
4 √n
67.780725159568
5 √n
29.166543793059
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21106918
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21106919 can be divided by 4 positive divisors.
The sum of these divisors (counting 21106919) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000100001000011100111
3
Ternary
1110201100020202
4
Quaternary
1100201003213
5
Quinary
20400410134
6
Senary
2032221115
8
Octal
120410347
10
Decimal
21106919
12
Duodecimal
709a79b
16
Hexadecimal
14210e7
20
Vigesimal
6bi75j
36
Base36
cke7b
md5
447f79cb88c7258aca2aa7ad52db1ca8
sha1
136b88788437f6a1eaf4e15d0ebac3d99cf62d95
sha256
98ab4cb820607f85183c86ee09a3c9e7e9e5415ad81011ecec3a64661a418b29
sha512
528d29d4cddfe48d67d1d7399b54bb6d494b88f2f70ee9ee45ff312256da52a8691bfb80a10101620e7d4a980b6cae4f0d16e3183c32d9f7f85fb3cac62006ea
ripemd-160
7343d7beef7876f30c63501555ed38bda73bc18d
Diameter
42213838
Circumference
132618683.34063
Area
1.3995859035787E+15
Volume
3.9387928400502E+22
Surface area
5.5983436143146E+15
Circumference
132618683.34063
Perimeter
84427676
Area
445502029672561
Diagonal
29849691.10971
Surface area
2673012178035366
Volume
9.4031752546343E+21
Space diagonal
36558256.099241
Perimeter
63320757
Area
1.9290803756698E+14
Altitude
18279128.04962
Surface area
1.9290803756698E+14
Volume
1.1081748312062E+21
Height
9949897.0365701