81844013 is an odd 8-digits prime number following 81844012
and preceding 81844014 . In scientific notation, it is written as 8.1844013 × 10^7.
The sum of its digits is 29. It has a total of 1 prime factors and 2 positive divisors.
There are 81844012 positive integers (up to 81844013) that are relatively prime to 81844013.
81844013 has 2 divisors, whose sum is 81844014
The reverse of 81844013 is 31044818
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
eighty-one million eight hundred forty-four thousand thirteen
Scientific notation
8.1844013 × 10^7
Engineering notation
8.1844013 × 10^6
Prime Factorization
81844013
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
81844013
Product of the distinct prime numbers
The prime factorization of 81844013 is 81844013.
Since it has a total of 1 prime factors.
8 , 8 , 1 , 74 , 219 , 853 , 5545 , 9209 , 48297 , 92404 , 292341 , 716732 , 9090250 , 3609670 , 25442949 , 99895274 , 506019126 , 60424850 , 1294239403 , 7869882226
n×2
163688026
n×3
245532039
n×4
327376052
n×5
409220065
n÷2
40922006.5
n÷3
27281337.666667
n÷3
20461003.25
n÷5
16368802.6
n2
6698442463944169
n3
5.482274120988E+23
n4
4.486913144277E+31
n5
3.6722697771008E+39
2 √n
9046.7680969504
3 √n
434.17249296614
4 √n
95.114499930086
5 √n
38.247000642449
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
81844014
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
40922007
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
9046.7681522188
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999755633
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81844013 can be divided by 2 positive divisors.
The sum of these divisors (counting 81844013) is 81844014, the average is 40922007.
Base
System
Value
2
Binary
100111000001101011100101101
3
Ternary
12201000002212202
4
Quaternary
10320031130231
5
Quinary
131423002023
6
Senary
12042111245
8
Octal
470153455
10
Decimal
81844013
12
Duodecimal
234ab525
16
Hexadecimal
4e0d72d
20
Vigesimal
15baa0d
36
Base36
1cq78t
md5
5f22cfca64de676fff9b13687081c895
sha1
93330c022fdac2cfe996c9d0020e16e8d43f337a
sha256
448376624139ae3f974fc8ab78c90627ac625242c20021368012d7a56410f8c7
sha512
04dd68c4a9d4e5d14d0c60da4279e3f49390bdb73d5741ba686a9cbfdaff09c407248ca2a38336b7c71997b327f72b305a39939a5ce8c548a03685694c5db0c7
ripemd-160
75625c6efd06c104e5f3f9458d56d25e6d713db3
Diameter
163688026
Circumference
514241099.96222
Area
2.1043777635221E+16
Volume
2.2964096137948E+24
Surface area
8.4175110540884E+16
Circumference
514241099.96222
Perimeter
327376052
Area
6698442463944169
Diagonal
115744913.18364
Surface area
40190654783665014
Volume
5.482274120988E+23
Space diagonal
141757988.81133
Perimeter
245532039
Area
2.900510669782E+15
Altitude
70878994.405664
Surface area
2.900510669782E+15
Volume
6.4609220121235E+22
Height
38581637.72788