21083911 is an odd 8-digits prime number following 21083910
and preceding 21083912 . In scientific notation, it is written as 2.1083911 × 10^7.
The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors.
There are 21083910 positive integers (up to 21083911) that are relatively prime to 21083911.
21083911 has 2 divisors, whose sum is 21083912
The reverse of 21083911 is 11938012
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million eighty-three thousand nine hundred eleven
Scientific notation
2.1083911 × 10^7
Engineering notation
2.1083911 × 10^6
Prime Factorization
21083911
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21083911
Product of the distinct prime numbers
The prime factorization of 21083911 is 21083911.
Since it has a total of 1 prime factors.
3 , 6 , 62 , 21 , 932 , 358 , 93 , 2478 , 50330 , 89554 , 582254 , 981702 , 6692809 , 5470883 , 81884305 , 62069051 , 174979611 , 116708775 , 8046531937 , 6146136598
n×2
42167822
n×3
63251733
n×4
84335644
n×5
105419555
n÷2
10541955.5
n÷3
7027970.3333333
n÷3
5270977.75
n÷5
4216782.2
n2
444531303055921
n3
9.3724584303451E+21
n4
1.976080793966E+29
n5
4.1663511588787E+36
2 √n
4591.7220081359
3 √n
276.25939608916
4 √n
67.762246185733
5 √n
29.160182309098
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21083912
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10541956
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4591.7221170276
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999051409
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21083911 can be divided by 2 positive divisors.
The sum of these divisors (counting 21083911) is 21083912, the average is 10541956.
Base
System
Value
2
Binary
1010000011011011100000111
3
Ternary
1110200011200121
4
Quaternary
1100123130013
5
Quinary
20344141121
6
Senary
2031522411
8
Octal
120333407
10
Decimal
21083911
12
Duodecimal
7089407
16
Hexadecimal
141b707
20
Vigesimal
6bf9fb
36
Base36
cjwg7
md5
a77eab56de715689c9ac18d832d889cc
sha1
9c22a1b067b080e683e7748a586c7e5e3a681eac
sha256
da65821a6480e30b50c20b83f9afd5f12b0df6393a817c0fd2159a2278aaee38
sha512
c5118c2c3ea7e02f7deabaf9ce86dce4c3e478413645f6ae84ad92cfe7b78ae6a51e49ed164a6545d683921b8b4ea9159379bf4243b05252568ad5963dcfa952
ripemd-160
05ab5250e63955976a7c6401ea5d87620bb2f5c6
Diameter
42167822
Circumference
132474119.81308
Area
1.3965362759712E+15
Volume
3.9259262067797E+22
Surface area
5.5861451038847E+15
Circumference
132474119.81308
Perimeter
84335644
Area
444531303055921
Diagonal
29817152.884067
Surface area
2667187818335526
Volume
9.3724584303451E+21
Space diagonal
36518405.07426
Perimeter
63251733
Area
1.9248770061191E+14
Altitude
18259202.53713
Surface area
1.9248770061191E+14
Volume
1.1045548187477E+21
Height
9939050.9613558