81777448 is an even 8-digits composite number following 81777447
and preceding 81777449 . In scientific notation, it is written as 8.1777448 × 10^7.
The sum of its digits is 46. It has a total of 5 prime factors and 16 positive divisors.
There are 39478656 positive integers (up to 81777448) that are relatively prime to 81777448.
81777448 has 16 divisors, whose sum is 158620500
The reverse of 81777448 is 84477718
Previous prime number is 29
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
eighty-one million seven hundred seventy-seven thousand four hundred forty-eight
Scientific notation
8.1777448 × 10^7
Engineering notation
8.1777448 × 10^6
Prime Factorization
2 × 2 × 2 × 29 × 352489
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20444362
Product of the distinct prime numbers
The prime factorization of 81777448 is 2 × 2 × 2 × 29 × 352489.
Since it has a total of 5 prime factors.
2 , 8 , 86 , 49 , 665 , 736 , 6569 , 5213 , 44993 , 96392 , 338754 , 541918 , 8241660 , 2720463 , 42108533 , 11153329 , 864352891 , 135926646 , 7248360203 , 1276031963
n×2
163554896
n×3
245332344
n×4
327109792
n×5
408887240
n÷2
40888724
n÷3
27259149.333333
n÷3
20444362
n÷5
16355489.6
n2
6687551001392704
n3
5.4689085426374E+23
n4
4.4723338396229E+31
n5
3.657360480084E+39
2 √n
9043.0884104934
3 √n
434.05475464253
4 √n
95.09515450586
5 √n
38.240777242201
1 , 2 , 4 , 8 , 29 , 58 , 116 , 232 , 352489 , 704978 , 1409956 , 2819912 , 10222181 , 20444362 , 40888724 , 81777448
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81777447
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81777448 can be divided by 16 positive divisors.
The sum of these divisors (counting 81777448) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110111111101001100101000
3
Ternary
12200212201120101
4
Quaternary
10313331030220
5
Quinary
131413334243
6
Senary
12040435144
8
Octal
467751450
10
Decimal
81777448
12
Duodecimal
23478ab4
16
Hexadecimal
4dfd328
20
Vigesimal
15b23c8
36
Base36
1corvs
md5
f7050df5f30c45f9dba4a298820d9ba8
sha1
007b259a070aa331728f85b61917c5305ef46c6f
sha256
c7a27faa0c2823308849103dad9c5ac3b6fe415ec9bd1b8720191a3846679d24
sha512
ab6d04a9ea15c37de1ea9f0d414b5a0aadd0b22897e54a764e4ca9026ee1ad4ca72858e45dbcdda416c87fc1cb31f48e0f9560f976537b78bfa9cf4aafa24c82
ripemd-160
e14cb45e4f9d8ee41567ea64636603b26798e282
Diameter
163554896
Circumference
513822859.73224
Area
2.1009561096482E+16
Volume
2.2908110534272E+24
Surface area
8.403824438593E+16
Circumference
513822859.73224
Perimeter
327109792
Area
6687551001392704
Diagonal
115650776.05786
Surface area
40125306008356224
Volume
5.4689085426374E+23
Space diagonal
141642694.84932
Perimeter
245332344
Area
2.8957945281551E+15
Altitude
70821347.424661
Surface area
2.8957945281551E+15
Volume
6.4451705269799E+22
Height
38550258.685954