181421 is an odd 6-digits prime number following 181420
and preceding 181422 . In scientific notation, it is written as 1.81421 × 10^5.
The sum of its digits is 17. It has a total of 1 prime factors and 2 positive divisors.
There are 181420 positive integers (up to 181421) that are relatively prime to 181421.
181421 has 2 divisors, whose sum is 181422
The reverse of 181421 is 124181
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 6
Sum of Digits 17
Digital Root 8
Name
one hundred eighty-one thousand four hundred twenty-one
Scientific notation
1.81421 × 10^5
Engineering notation
1.81421 × 10^3
Prime Factorization
181421
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
181421
Product of the distinct prime numbers
The prime factorization of 181421 is 181421.
Since it has a total of 1 prime factors.
2 , 5 , 59 , 65 , 330 , 590 , 2014 , 4667 , 30474 , 35797 , 364958 , 302019 , 4189523 , 2902995 , 65961395 , 61837049 , 817586059 , 799823723 , 9873331815 , 9882025646
n×2
362842
n×3
544263
n×4
725684
n×5
907105
n÷2
90710.5
n÷3
60473.666666667
n÷3
45355.25
n÷5
36284.2
n2
32913579241
n3
5971214459481461
n4
1.0833036984536E+21
n5
1.9653404027715E+26
2 √n
425.93544111755
3 √n
56.610351588431
4 √n
20.638203437256
5 √n
11.265163809621
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
181422
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
90711
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
425.93661500275
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999889759787
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 181421 can be divided by 2 positive divisors.
The sum of these divisors (counting 181421) is 181422, the average is 90711.
Base
System
Value
2
Binary
101100010010101101
3
Ternary
100012212022
4
Quaternary
230102231
5
Quinary
21301141
6
Senary
3515525
8
Octal
542255
10
Decimal
181421
12
Duodecimal
88ba5
16
Hexadecimal
2c4ad
20
Vigesimal
12db1
36
Base36
3vzh
md5
52684677a26c3b2bd4874306ef55e9b7
sha1
b1d6d4da1037d089c51692763925e000efa532e5
sha256
1be42f4346d08ccb89f91bdf65552d03134347c6041f9b8c8f7b10ee25955c7c
sha512
02bdc0fb222a77b5e9837ec68c1885fad3ee54d4e6b3a1dbf885491713b9b1fd31e1ee56d2c9b0bbefff6440712335e956b41cea7cb06547f7195d874cfa7102
ripemd-160
21d89829c56d0cf29777f29735daf6ff6af0bac7
Diameter
362842
Circumference
1139901.7616138
Area
103401058746.87
Volume
2.5012164638555E+16
Surface area
413604234987.48
Circumference
1139901.7616138
Perimeter
725684
Area
32913579241
Diagonal
256568.03869929
Surface area
197481475446
Volume
5971214459481461
Space diagonal
314230.38955995
Perimeter
544263
Area
14251997876.089
Altitude
157115.19477998
Surface area
14251997876.089
Volume
7.0371437270308E+14
Height
85522.67956643