81120888 is an even 8-digits composite number following 81120887
and preceding 81120889 . In scientific notation, it is written as 8.1120888 × 10^7.
The sum of its digits is 36. It has a total of 6 prime factors and 32 positive divisors.
There are 26107200 positive integers (up to 81120888) that are relatively prime to 81120888.
81120888 has 32 divisors, whose sum is 174834000
The reverse of 81120888 is 88802118
Previous prime number is 29
Is Prime? no Number parity even Number length 8 Sum of Digits 36 Digital Root 9
Name
eighty-one million one hundred twenty thousand eight hundred eighty-eight
Scientific notation
8.1120888 × 10^7
Engineering notation
8.1120888 × 10^6
Prime Factorization
2 × 2 × 2 × 9 × 29 × 38851
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
6 Total number of prime factors
rad Radical
20280222 Product of the distinct prime numbers
The prime factorization of 81120888 is 2 × 2 × 2 × 9 × 29 × 38851.
Since it has a total of 6 prime factors.
9 , 7 , 69 , 86 , 528 , 182 , 4062 , 994 , 78474 , 4824 , 324781 , 812731 , 3733785 , 4883069 , 12871255 , 95111799 , 787829874 , 700099286 , 2064621228 , 8801131119
n×2
162241776
n×3
243362664
n×4
324483552
n×5
405604440
n÷2
40560444
n÷3
27040296
n÷3
20280222
n÷5
16224177.6
n2
6580598469908544
n3
5.3382399145042E+23
n4
4.3304276222163E+31
n5
3.5128813413391E+39
2 √n9006.7134960539
3 √n432.89001183503
4 √n94.903706440022
5 √n38.179174962059
1 , 2 , 4 , 8 , 9 , 18 , 29 , 36 , 58 , 72 , 116 , 232 , 261 , 522 , 1044 , 2088 , 38851 , 77702 , 155404 , 310808 , 349659 , 699318 , 1126679 , 1398636 , 2253358 , 2797272 , 4506716 , 9013432 , 10140111 , 20280222 , 40560444 , 81120888
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
-81120887 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 81120888 can be divided by 32 positive divisors.
The sum of these divisors (counting 81120888) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100110101011100111001111000
3
Ternary
12122122100221100
4
Quaternary
10311130321320
5
Quinary
131231332023
6
Senary
12014411400
8
Octal
465347170
10
Decimal
81120888
12
Duodecimal
23200b60
16
Hexadecimal
4d5ce78
20
Vigesimal
1570248
36
Base36
1capa0
md5
44e7bc621c6f430a36428258ce2c0165
sha1
944fd93aa4d802fa10ede4c76514379477040469
sha256
12efd77fef45a011d627063cd251b18b6ff76a585b5a3fc70e7a8e504a901a15
sha512
8ed2ae52f30c34e4d143f3fc72d8f725e8324f54b0d29ae82a7b9f96c696c997974c7bae662c713f724a01b1e2001d324aa01a80d75b1e67c127b04ebc09e030
ripemd-160
688d04ddc83731ffb743636854b8b6b2f87613f4
Diameter
162241776
Circumference
509697571.58696
Area
2.0673559809289E+16
Volume
2.2360767064675E+24
Surface area
8.2694239237156E+16
Circumference
509697571.58696
Perimeter
324483552
Area
6580598469908544
Diagonal
114722260.00135
Surface area
39483590819451264
Volume
5.3382399145042E+23
Space diagonal
140505499.5711
Perimeter
243362664
Area
2.8494827235229E+15
Altitude
70252749.785552
Surface area
2.8494827235229E+15
Volume
6.2911760719111E+22
Height
38240753.333783