81276427 is an odd 8-digits composite number following 81276426
and preceding 81276428 . In scientific notation, it is written as 8.1276427 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 80063280 positive integers (up to 81276427) that are relatively prime to 81276427.
81276427 has 4 divisors, whose sum is 82489576
The reverse of 81276427 is 72467218
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
eighty-one million two hundred seventy-six thousand four hundred twenty-seven
Scientific notation
8.1276427 × 10^7
Engineering notation
8.1276427 × 10^6
Prime Factorization
67 × 1213081
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81276427
Product of the distinct prime numbers
The prime factorization of 81276427 is 67 × 1213081.
Since it has a total of 2 prime factors.
4 , 1 , 8 , 19 , 967 , 893 , 6226 , 8286 , 34502 , 91882 , 835829 , 623267 , 1542410 , 8896551 , 79887571 , 33027368 , 236414393 , 166528994 , 3121901536 , 4388866488
n×2
162552854
n×3
243829281
n×4
325105708
n×5
406382135
n÷2
40638213.5
n÷3
27092142.333333
n÷3
20319106.75
n÷5
16255285.4
n2
6605857585886329
n3
5.3690050185169E+23
n4
4.3637354445012E+31
n5
3.5466882530231E+39
2 √n
9015.3439756894
3 √n
433.1665057358
4 √n
94.949165218497
5 √n
38.193804490063
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
-81276426
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 81276427 can be divided by 4 positive divisors.
The sum of these divisors (counting 81276427) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110110000010111000001011
3
Ternary
12122221021022001
4
Quaternary
10312002320023
5
Quinary
131301321202
6
Senary
12022011431
8
Octal
466027013
10
Decimal
81276427
12
Duodecimal
23276b77
16
Hexadecimal
4d82e0b
20
Vigesimal
157jb17
36
Base36
1ce1aj
md5
20fa7c4006e845f684589724cfc3605f
sha1
c9a454a828c7dff6d608ab3a40f763d4a79eb54f
sha256
382bdee7afc6a35a18b0bee6a3af2ea5a68667e1f531072537e753ab685cb40c
sha512
8adc862bc1eb5590d1cc353652f5c737365d3efaf7c720c962ed7d06cbbe78b8a86d33fd3da66f39b38d517674e4332f36ba882986c4b503529557094bd7744b
ripemd-160
f9b07de7eeb021de430f49016880bd1939e95a17
Diameter
162552854
Circumference
510674851.94645
Area
2.0752913662481E+16
Volume
2.2489635631012E+24
Surface area
8.3011654649924E+16
Circumference
510674851.94645
Perimeter
325105708
Area
6605857585886329
Diagonal
114942225.36463
Surface area
39635145515317974
Volume
5.3690050185169E+23
Space diagonal
140774901.02166
Perimeter
243829281
Area
2.8604202415799E+15
Altitude
70387450.510831
Surface area
2.8604202415799E+15
Volume
6.3274330946965E+22
Height
38314075.121542