21084881 is an odd 8-digits prime number following 21084880
and preceding 21084882 . In scientific notation, it is written as 2.1084881 × 10^7.
The sum of its digits is 32. It has a total of 1 prime factors and 2 positive divisors.
There are 21084880 positive integers (up to 21084881) that are relatively prime to 21084881.
21084881 has 2 divisors, whose sum is 21084882
The reverse of 21084881 is 18848012
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million eighty-four thousand eight hundred eighty-one
Scientific notation
2.1084881 × 10^7
Engineering notation
2.1084881 × 10^6
Prime Factorization
21084881
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21084881
Product of the distinct prime numbers
The prime factorization of 21084881 is 21084881.
Since it has a total of 1 prime factors.
3 , 10 , 56 , 60 , 59 , 511 , 6101 , 9121 , 71070 , 28492 , 507518 , 441947 , 8435404 , 6809525 , 22350104 , 70453535 , 149488873 , 715310677 , 4652482131 , 3836931158
n×2
42169762
n×3
63254643
n×4
84339524
n×5
105424405
n÷2
10542440.5
n÷3
7028293.6666667
n÷3
5271220.25
n÷5
4216976.2
n2
444572206784161
n3
9.3737520759514E+21
n4
1.9764444704494E+29
n5
4.1673096462533E+36
2 √n
4591.8276317824
3 √n
276.26363261348
4 √n
67.763025550682
5 √n
29.160450616589
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21084882
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10542441
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4591.8277406715
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999051453
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21084881 can be divided by 2 positive divisors.
The sum of these divisors (counting 21084881) is 21084882, the average is 10542441.
Base
System
Value
2
Binary
1010000011011101011010001
3
Ternary
1110200020000112
4
Quaternary
1100123223101
5
Quinary
20344204011
6
Senary
2031531105
8
Octal
120335321
10
Decimal
21084881
12
Duodecimal
7089a95
16
Hexadecimal
141bad1
20
Vigesimal
6bfc41
36
Base36
cjx75
md5
5f42f2cad30f69f800837efce8e891e9
sha1
4db00a39a2ed7113904f5f51b584190a5019a7fe
sha256
ec0bed48945b8ba979bc47126c5b5f080dc9ec6725ea33c098661a81ff5c38de
sha512
4a7409d8c5573a322372b3f923292503e87316bfc2b88fe801554ba1bfb0e95dfa8c142926f66921fa3e22e8393a95b047b3cdc19b4ac9f4450d0e83f4e0fafd
ripemd-160
5a601402236b24d6df31c8919327a6af2ddad025
Diameter
42169762
Circumference
132480214.50283
Area
1.3966647788233E+15
Volume
3.9264680877841E+22
Surface area
5.5866591152933E+15
Circumference
132480214.50283
Perimeter
84339524
Area
444572206784161
Diagonal
29818524.671223
Surface area
2667433240704966
Volume
9.3737520759514E+21
Space diagonal
36520085.163544
Perimeter
63254643
Area
1.925054124458E+14
Altitude
18260042.581772
Surface area
1.925054124458E+14
Volume
1.1047072763445E+21
Height
9939508.2237409