213881 is an odd 6-digits prime number following 213880
and preceding 213882 . In scientific notation, it is written as 2.13881 × 10^5.
The sum of its digits is 23. It has a total of 1 prime factors and 2 positive divisors.
There are 213880 positive integers (up to 213881) that are relatively prime to 213881.
213881 has 2 divisors, whose sum is 213882
The reverse of 213881 is 188312
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 6
Sum of Digits 23
Digital Root 5
Name
two hundred thirteen thousand eight hundred eighty-one
Scientific notation
2.13881 × 10^5
Engineering notation
2.13881 × 10^3
Prime Factorization
213881
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
213881
Product of the distinct prime numbers
The prime factorization of 213881 is 213881.
Since it has a total of 1 prime factors.
5 , 10 , 34 , 75 , 983 , 916 , 2899 , 6672 , 26937 , 95973 , 780086 , 528522 , 7189283 , 5708117 , 45925534 , 58049683 , 276015374 , 579756091 , 715587378 , 3308891276
n×2
427762
n×3
641643
n×4
855524
n×5
1069405
n÷2
106940.5
n÷3
71293.666666667
n÷3
53470.25
n÷5
42776.2
n2
45745082161
n3
9784003917676841
n4
2.0926125419166E+21
n5
4.4757006307767E+26
2 √n
462.4727018971
3 √n
59.803151178262
4 √n
21.50517849024
5 √n
11.642183526687
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
213882
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
106941
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
462.47378304073
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999906490495
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 213881 can be divided by 2 positive divisors.
The sum of these divisors (counting 213881) is 213882, the average is 106941.
Base
System
Value
2
Binary
110100001101111001
3
Ternary
101212101112
4
Quaternary
310031321
5
Quinary
23321011
6
Senary
4330105
8
Octal
641571
10
Decimal
213881
12
Duodecimal
a3935
16
Hexadecimal
34379
20
Vigesimal
16ee1
36
Base36
4l15
md5
cb581f7716655fc4c82708167a53913c
sha1
c1cb21eb9c0b462fed6083591d7d0e17b5593a37
sha256
0b929172f2c788b22e6c8eccdc447d94af8160b77607db6e8f62595b2d8f7c3d
sha512
59d15c950f0b7a08b602fbaf023d44a7e106bde32085b95df24a4f745ed2afb690231a525c244593799534329a0bed6accc083998202f7565c6f85538957d9f8
ripemd-160
50cb047aaa70c3e5b335041829b3bb587aefba8d
Diameter
427762
Circumference
1343853.9566849
Area
143712414054.86
Volume
4.0983139773956E+16
Surface area
574849656219.44
Circumference
1343853.9566849
Perimeter
855524
Area
45745082161
Diagonal
302473.41093392
Surface area
274470492966
Volume
9784003917676841
Space diagonal
370452.75877364
Perimeter
641643
Area
19808201624.816
Altitude
185226.37938682
Surface area
19808201624.816
Volume
1.1530559195575E+15
Height
100824.47031131