81277 is an odd 5-digits composite number following 81276
and preceding 81278 . In scientific notation, it is written as 8.1277 × 10^4.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 65472 positive integers (up to 81277) that are relatively prime to 81277.
81277 has 8 divisors, whose sum is 98496
The reverse of 81277 is 77218
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 25
Digital Root 7
Name
eighty-one thousand two hundred seventy-seven
Scientific notation
8.1277 × 10^4
Engineering notation
8.1277 × 10^3
Prime Factorization
7 × 17 × 683
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81277
Product of the distinct prime numbers
The prime factorization of 81277 is 7 × 17 × 683.
Since it has a total of 3 prime factors.
9 , 1 , 73 , 24 , 193 , 273 , 3277 , 9583 , 8865 , 8017 , 867973 , 144219 , 5871139 , 9393186 , 14328577 , 89479676 , 651277403 , 771287576 , 9850420070 , 5668565935
n×2
162554
n×3
243831
n×4
325108
n×5
406385
n÷2
40638.5
n÷3
27092.333333333
n÷3
20319.25
n÷5
16255.4
n2
6605950729
n3
536911857400933
n4
4.3638585033976E+19
n5
3.5468132758064E+24
2 √n
285.09121347386
3 √n
43.316752367681
4 √n
16.88464430996
5 √n
9.5938634539502
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81276
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81277 can be divided by 8 positive divisors.
The sum of these divisors (counting 81277) is 1, the average is 0.125.
Base
System
Value
2
Binary
10011110101111101
3
Ternary
11010111021
4
Quaternary
103311331
5
Quinary
10100102
6
Senary
1424141
8
Octal
236575
10
Decimal
81277
12
Duodecimal
3b051
16
Hexadecimal
13d7d
20
Vigesimal
a33h
36
Base36
1qpp
md5
53e44f4d5c76175f0802d5e398847f5e
sha1
ce43e742e61e866b0eb982d2c3766405a6b511b0
sha256
c604bc217393817c5351c2f2292640b19c49d3fe0accb8779d04972068f43d34
sha512
60f2f975906a8264fa225df5bf2aa1f40bd8f6b8e31f4cbcf8581ecf4ffef130594418f9097a966f6fdbafd2145c75463495287f9b9ed41547d6b0632502e339
ripemd-160
6bd3150c9f3f431cc3fce65ecd03579cc1d09318
Diameter
162554
Circumference
510678.45221164
Area
20753206280.203
Volume
2.2490111291147E+15
Surface area
83012825120.81
Circumference
510678.45221164
Perimeter
325108
Area
6605950729
Diagonal
114943.035709
Surface area
39635704374
Volume
536911857400933
Space diagonal
140775.89348678
Perimeter
243831
Area
2860460573.7312
Altitude
70387.946743388
Surface area
2860460573.7312
Volume
63275669211277
Height
38314.345236333