81577054 is an even 8-digits composite number following 81577053
and preceding 81577055 . In scientific notation, it is written as 8.1577054 × 10^7.
The sum of its digits is 37. It has a total of 5 prime factors and 32 positive divisors.
There are 36564480 positive integers (up to 81577054) that are relatively prime to 81577054.
81577054 has 32 divisors, whose sum is 135628416
The reverse of 81577054 is 45077518
Previous prime number is 241
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
eighty-one million five hundred seventy-seven thousand fifty-four
Scientific notation
8.1577054 × 10^7
Engineering notation
8.1577054 × 10^6
Prime Factorization
2 × 13 × 47 × 241 × 277
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
81577054
Product of the distinct prime numbers
The prime factorization of 81577054 is 2 × 13 × 47 × 241 × 277.
Since it has a total of 5 prime factors.
3 , 4 , 97 , 94 , 625 , 421 , 3457 , 8002 , 79472 , 95747 , 955054 , 659140 , 8427190 , 8136274 , 29420321 , 98664491 , 393934213 , 722782587 , 2013934765 , 5654264624
n×2
163154108
n×3
244731162
n×4
326308216
n×5
407885270
n÷2
40788527
n÷3
27192351.333333
n÷3
20394263.5
n÷5
16315410.8
n2
6654815739318916
n3
5.4288026292647E+23
n4
4.4286572524287E+31
n5
3.6127681182887E+39
2 √n
9032.0016607616
3 √n
433.69991714677
4 √n
95.036843701596
5 √n
38.222017192837
1 , 2 , 13 , 26 , 47 , 94 , 241 , 277 , 482 , 554 , 611 , 1222 , 3133 , 3601 , 6266 , 7202 , 11327 , 13019 , 22654 , 26038 , 66757 , 133514 , 147251 , 169247 , 294502 , 338494 , 867841 , 1735682 , 3137579 , 6275158 , 40788527 , 81577054
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
-81577053
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 81577054 can be divided by 32 positive divisors.
The sum of these divisors (counting 81577054) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100110111001100010001011110
3
Ternary
12200111112200101
4
Quaternary
10313030101132
5
Quinary
131340431204
6
Senary
12032251314
8
Octal
467142136
10
Decimal
81577054
12
Duodecimal
233a0b3a
16
Hexadecimal
4dcc45e
20
Vigesimal
159h2ce
36
Base36
1ckh9a
md5
634f3d75c1653c81c42f1f2e5666ae4e
sha1
8ba41ffb83385e00ff6801b715a568945e7dfb2c
sha256
a67c9b8d91a07932f265f1af39f7a00fc4a49d30caf7fb86f08fb84f3eca0095
sha512
0419e715ecac781833ab6f1f58ae57c7f0d9af26702fcb1ad15c0708ee3ab90f1679ce19664b11d35ef0dd414062a82360740931d5d3bbb6d56eba1200b46fd8
ripemd-160
8db272d61d4d832a61cc1a834979737df86bcd30
Diameter
163154108
Circumference
512563747.0958
Area
2.0906720237638E+16
Volume
2.2740115277183E+24
Surface area
8.3626880950552E+16
Circumference
512563747.0958
Perimeter
326308216
Area
6654815739318916
Diagonal
115367376.14524
Surface area
39928894435913496
Volume
5.4288026292647E+23
Space diagonal
141295602.25979
Perimeter
244731162
Area
2.8816197438774E+15
Altitude
70647801.129895
Surface area
2.8816197438774E+15
Volume
6.397905254794E+22
Height
38455792.048414