81874461 is an odd 8-digits composite number following 81874460
and preceding 81874462 . In scientific notation, it is written as 8.1874461 × 10^7.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 54582972 positive integers (up to 81874461) that are relatively prime to 81874461.
81874461 has 4 divisors, whose sum is 109165952
The reverse of 81874461 is 16447818
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
eighty-one million eight hundred seventy-four thousand four hundred sixty-one
Scientific notation
8.1874461 × 10^7
Engineering notation
8.1874461 × 10^6
Prime Factorization
3 × 27291487
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81874461
Product of the distinct prime numbers
The prime factorization of 81874461 is 3 × 27291487.
Since it has a total of 2 prime factors.
2 , 4 , 4 , 24 , 857 , 990 , 9498 , 5931 , 87452 , 30739 , 90779 , 409097 , 4882346 , 2199600 , 11218829 , 30447497 , 98252443 , 563732899 , 6736395056 , 8603016837
n×2
163748922
n×3
245623383
n×4
327497844
n×5
409372305
n÷2
40937230.5
n÷3
27291487
n÷3
20468615.25
n÷5
16374892.2
n2
6703427364040521
n3
5.4883950228347E+23
n4
4.4935938424967E+31
n5
3.6791057380734E+39
2 √n
9048.4507513718
3 √n
434.22632726454
4 √n
95.123344933679
5 √n
38.249845985378
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
-81874460
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 81874461 can be divided by 4 positive divisors.
The sum of these divisors (counting 81874461) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111000010100111000011101
3
Ternary
12201001122122110
4
Quaternary
10320110320131
5
Quinary
131424440321
6
Senary
12042504233
8
Octal
470247035
10
Decimal
81874461
12
Duodecimal
23505079
16
Hexadecimal
4e14e1d
20
Vigesimal
15be631
36
Base36
1cquql
md5
190575660c9f02e100758de46994b87b
sha1
bb0a03e1a071a9e1848e55ad67794a597e071f86
sha256
538ea9a03fe9f21621dc8b281a3a9745d8fcbf3fa199cf06a6ca7cbb7959a0f3
sha512
7c0f305e27af8ac799f0c06ee9e29d6ab4c9330defc3aad46c95eb539c4e4daf4dbe73dac633ea7e88ee8a03c58d1a415cc1edfc18f2518209f05bd5627ccea3
ripemd-160
ff31f62f319d8575b44bff1d1fa78a14e190f6dd
Diameter
163748922
Circumference
514432410.38845
Area
2.1059438160742E+16
Volume
2.2989735311648E+24
Surface area
8.423775264297E+16
Circumference
514432410.38845
Perimeter
327497844
Area
6703427364040521
Diagonal
115787973.15819
Surface area
40220564184243126
Volume
5.4883950228347E+23
Space diagonal
141810726.29432
Perimeter
245623383
Area
2.9026691948414E+15
Altitude
70905363.147158
Surface area
2.9026691948414E+15
Volume
6.4681355641282E+22
Height
38595991.052729