81265848 is an even 8-digits composite number following 81265847
and preceding 81265849 . In scientific notation, it is written as 8.1265848 × 10^7.
The sum of its digits is 42. It has a total of 6 prime factors and 32 positive divisors.
There are 25495040 positive integers (up to 81265848) that are relatively prime to 81265848.
81265848 has 32 divisors, whose sum is 215116560
The reverse of 81265848 is 84856218
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
eighty-one million two hundred sixty-five thousand eight hundred forty-eight
Scientific notation
8.1265848 × 10^7
Engineering notation
8.1265848 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 17 × 199181
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
20316462
Product of the distinct prime numbers
The prime factorization of 81265848 is 2 × 2 × 2 × 3 × 17 × 199181.
Since it has a total of 6 prime factors.
1 , 7 , 49 , 1 , 83 , 714 , 6295 , 1344 , 51353 , 42368 , 65002 , 324410 , 9064483 , 5608617 , 69651970 , 68839919 , 874991180 , 247979050 , 3771371602 , 1438706600
n×2
162531696
n×3
243797544
n×4
325063392
n×5
406329240
n÷2
40632924
n÷3
27088616
n÷3
20316462
n÷5
16253169.6
n2
6604138051159104
n3
5.3669087903651E+23
n4
4.3614639398768E+31
n5
3.5443806559551E+39
2 √n
9014.7572346681
3 √n
433.14771116249
4 √n
94.946075404242
5 √n
38.192810171511
1 , 2 , 3 , 4 , 6 , 8 , 12 , 17 , 24 , 34 , 51 , 68 , 102 , 136 , 204 , 408 , 199181 , 398362 , 597543 , 796724 , 1195086 , 1593448 , 2390172 , 3386077 , 4780344 , 6772154 , 10158231 , 13544308 , 20316462 , 27088616 , 40632924 , 81265848
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81265847
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81265848 can be divided by 32 positive divisors.
The sum of these divisors (counting 81265848) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100110110000000010010111000
3
Ternary
12122220201210020
4
Quaternary
10312000102320
5
Quinary
131301001343
6
Senary
12021450440
8
Octal
466002270
10
Decimal
81265848
12
Duodecimal
23270a20
16
Hexadecimal
4d804b8
20
Vigesimal
157i4c8
36
Base36
1cdt4o
md5
cb706b49e928f189c4d9cef34045e74c
sha1
9cef1520ed39edc8005b30f2317c97eee5fc70df
sha256
cf73d713f43393d9bce42a458fdc2f2492ac5cec87b81829c1f7e95102cb3de3
sha512
83fe6d0ca226c94ca58bcf5ccb7ad3fcf2fb097a86645102a91a6cd7b9a950e2be1317920b73d7f67809cb2357036fea3d07c73dd196aa80fe2c1a4b8532c1db
ripemd-160
27f9273b13beed14b29f28f99688fea2092c7a49
Diameter
162531696
Circumference
510608382.12909
Area
2.0747511584814E+16
Volume
2.2480854971063E+24
Surface area
8.2990046339257E+16
Circumference
510608382.12909
Perimeter
325063392
Area
6604138051159104
Diagonal
114927264.39935
Surface area
39624828306954624
Volume
5.3669087903651E+23
Space diagonal
140756577.65617
Perimeter
243797544
Area
2.8596756612016E+15
Altitude
70378288.828085
Surface area
2.8596756612016E+15
Volume
6.3249626661281E+22
Height
38309088.133117