81371041 is an odd 8-digits composite number following 81371040
and preceding 81371042 . In scientific notation, it is written as 8.1371041 × 10^7.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 80224900 positive integers (up to 81371041) that are relatively prime to 81371041.
81371041 has 4 divisors, whose sum is 82517184
The reverse of 81371041 is 14017318
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
eighty-one million three hundred seventy-one thousand forty-one
Scientific notation
8.1371041 × 10^7
Engineering notation
8.1371041 × 10^6
Prime Factorization
71 × 1146071
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81371041
Product of the distinct prime numbers
The prime factorization of 81371041 is 71 × 1146071.
Since it has a total of 2 prime factors.
1 , 9 , 92 , 96 , 62 , 642 , 8903 , 8645 , 79162 , 15554 , 407791 , 590922 , 6559988 , 2557029 , 87593636 , 60212829 , 843935070 , 188551351 , 510332517 , 4218986879
n×2
162742082
n×3
244113123
n×4
325484164
n×5
406855205
n÷2
40685520.5
n÷3
27123680.333333
n÷3
20342760.25
n÷5
16274208.2
n2
6621246313423681
n3
5.387777052407E+23
n4
4.3840902743027E+31
n5
3.5673798945798E+39
2 √n
9020.5898365905
3 √n
433.33452379686
4 √n
94.976785777318
5 √n
38.202692644366
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81371040
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81371041 can be divided by 4 positive divisors.
The sum of these divisors (counting 81371041) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110110011001111110100001
3
Ternary
12200010002002021
4
Quaternary
10312121332201
5
Quinary
131312333131
6
Senary
12024021441
8
Octal
466317641
10
Decimal
81371041
12
Duodecimal
23301881
16
Hexadecimal
4d99fa1
20
Vigesimal
158b7c1
36
Base36
1cg2ap
md5
871f5ee897b8a168a427dc6a23bb22e4
sha1
261c84d08a1a649db055f2f045858f6dd3f3ca4b
sha256
065cbefcbf91e308d473a699f2323716efc736284d9d75180172e82012216436
sha512
6cc24e74357c62f0c1f4af8a29d0c477b3166e55c3de83a815b57c4359f00f25cdfd35ad435bde13711aab5f7840e3fa71a7d957c30c5400b78b01a24b7c96e9
ripemd-160
d4716acdb1ab83bddc96db326ea35e2491d2b947
Diameter
162742082
Circumference
511269329.24111
Area
2.080125877586E+16
Volume
2.2568267742695E+24
Surface area
8.3205035103441E+16
Circumference
511269329.24111
Perimeter
325484164
Area
6621246313423681
Diagonal
115076029.76662
Surface area
39727477880542086
Volume
5.387777052407E+23
Space diagonal
140938777.27677
Perimeter
244113123
Area
2.8670837560695E+15
Altitude
70469388.638385
Surface area
2.8670837560695E+15
Volume
6.3495561487971E+22
Height
38358676.588872