81179072 is an even 8-digits composite number following 81179071
and preceding 81179073 . In scientific notation, it is written as 8.1179072 × 10^7.
The sum of its digits is 35. It has a total of 8 prime factors and 28 positive divisors.
There are 37466880 positive integers (up to 81179072) that are relatively prime to 81179072.
81179072 has 28 divisors, whose sum is 173483016
The reverse of 81179072 is 27097118
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
eighty-one million one hundred seventy-nine thousand seventy-two
Scientific notation
8.1179072 × 10^7
Engineering notation
8.1179072 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 13 × 97571
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
2536846
Product of the distinct prime numbers
The prime factorization of 81179072 is 2 × 2 × 2 × 2 × 2 × 2 × 13 × 97571.
Since it has a total of 8 prime factors.
2 , 2 , 51 , 24 , 666 , 928 , 5509 , 2047 , 9814 , 1899 , 590826 , 642573 , 4499861 , 2877121 , 33373735 , 37886066 , 138704956 , 884717826 , 9796513279 , 7098452697
n×2
162358144
n×3
243537216
n×4
324716288
n×5
405895360
n÷2
40589536
n÷3
27059690.666667
n÷3
20294768
n÷5
16235814.4
n2
6590041730781184
n3
5.3497347214609E+23
n4
4.3428650013437E+31
n5
3.5254975063036E+39
2 √n
9009.9429520946
3 √n
432.99348396412
4 √n
94.920719298237
5 √n
38.184650198141
1 , 2 , 4 , 8 , 13 , 16 , 26 , 32 , 52 , 64 , 104 , 208 , 416 , 832 , 97571 , 195142 , 390284 , 780568 , 1268423 , 1561136 , 2536846 , 3122272 , 5073692 , 6244544 , 10147384 , 20294768 , 40589536 , 81179072
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81179071
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81179072 can be divided by 28 positive divisors.
The sum of these divisors (counting 81179072) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
100110101101011000111000000
3
Ternary
12122202022202022
4
Quaternary
10311223013000
5
Quinary
131240212242
6
Senary
12015541012
8
Octal
465530700
10
Decimal
81179072
12
Duodecimal
2322a768
16
Hexadecimal
4d6b1c0
20
Vigesimal
15777dc
36
Base36
1cby68
md5
fb58e7492c10090ed00b4728847b9259
sha1
40c709c7925781787b82dd69265fef7aa86de927
sha256
2aac1151b48e7212480465db4d0e5035ddd1168a91b773e33a5bbd8b1a700e01
sha512
f35e64db57b71b923bc51f74e83cbea1e0cefdd9c5b83965d8356894f93a99f9b83d6d2289c89b5de01c535b1468323c06c31f4be81c44b3f52da75689c3aa6b
ripemd-160
14e053c2f04d6efadd3b931581528b86809fdb77
Diameter
162358144
Circumference
510063152.44087
Area
2.0703226688272E+16
Volume
2.2408916399461E+24
Surface area
8.2812906753089E+16
Circumference
510063152.44087
Perimeter
324716288
Area
6590041730781184
Diagonal
114804544.60326
Surface area
39540250384687104
Volume
5.3497347214609E+23
Space diagonal
140606277.21529
Perimeter
243537216
Area
2.853571775428E+15
Altitude
70303138.607646
Surface area
2.853571775428E+15
Volume
6.3047228318236E+22
Height
38268181.534421