81874927 is an odd 8-digits composite number following 81874926
and preceding 81874928 . In scientific notation, it is written as 8.1874927 × 10^7.
The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors.
There are 80745984 positive integers (up to 81874927) that are relatively prime to 81874927.
81874927 has 8 divisors, whose sum is 83008800
The reverse of 81874927 is 72947818
Previous prime number is 487
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
eighty-one million eight hundred seventy-four thousand nine hundred twenty-seven
Scientific notation
8.1874927 × 10^7
Engineering notation
8.1874927 × 10^6
Prime Factorization
89 × 487 × 1889
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81874927
Product of the distinct prime numbers
The prime factorization of 81874927 is 89 × 487 × 1889.
Since it has a total of 3 prime factors.
3 , 7 , 99 , 94 , 204 , 928 , 8881 , 8547 , 62535 , 79900 , 322742 , 154163 , 1116075 , 8663950 , 58625826 , 83047425 , 509624720 , 208834246 , 4377732119 , 1767226843
n×2
163749854
n×3
245624781
n×4
327499708
n×5
409374635
n÷2
40937463.5
n÷3
27291642.333333
n÷3
20468731.75
n÷5
16374985.4
n2
6703503671255329
n3
5.4884887372826E+23
n4
4.4936961470534E+31
n5
3.6792104400018E+39
2 √n
9048.4765015996
3 √n
434.22715108303
4 √n
95.123480285362
5 √n
38.249889526154
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
-81874926
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 81874927 can be divided by 8 positive divisors.
The sum of these divisors (counting 81874927) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111000010100111111101111
3
Ternary
12201001200021201
4
Quaternary
10320110333233
5
Quinary
131424444202
6
Senary
12042510331
8
Octal
470247757
10
Decimal
81874927
12
Duodecimal
235053a7
16
Hexadecimal
4e14fef
20
Vigesimal
15be767
36
Base36
1cqv3j
md5
2ed092a44fca9fc7b5b5b554d0110ab8
sha1
59918838e54944c014ae864e1e4d8bf964413c44
sha256
bffc5503c8673dc1c94c875da66c0a134b3985d254a8e2064c3e8ffb978889e9
sha512
2a820a7076fa99fa0df15f6d0a4938f290ad145346733e263f11f8dc75255a0428f72e5bb5bbd054579dd7ee4d030881bd50c1c7f0c5b32b92c756bd6e381004
ripemd-160
6f76aee73c19c3957670f49eefa47793b2451f4e
Diameter
163749854
Circumference
514435338.3528
Area
2.1059677886928E+16
Volume
2.299012786181E+24
Surface area
8.4238711547712E+16
Circumference
514435338.3528
Perimeter
327499708
Area
6703503671255329
Diagonal
115788632.18171
Surface area
40221022027531974
Volume
5.4884887372826E+23
Space diagonal
141811533.42999
Perimeter
245624781
Area
2.9027022368347E+15
Altitude
70905766.714996
Surface area
2.9027022368347E+15
Volume
6.4682460076642E+22
Height
38596210.727236