81127564 is an even 8-digits composite number following 81127563
and preceding 81127565 . In scientific notation, it is written as 8.1127564 × 10^7.
The sum of its digits is 34. It has a total of 5 prime factors and 24 positive divisors.
There are 34513536 positive integers (up to 81127564) that are relatively prime to 81127564.
81127564 has 24 divisors, whose sum is 163447200
The reverse of 81127564 is 46572118
Previous prime number is 137
Is Prime? no Number parity even Number length 8 Sum of Digits 34 Digital Root 7
Name
eighty-one million one hundred twenty-seven thousand five hundred sixty-four
Scientific notation
8.1127564 × 10^7
Engineering notation
8.1127564 × 10^6
Prime Factorization
2 × 2 × 7 × 137 × 21149
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
40563782 Product of the distinct prime numbers
The prime factorization of 81127564 is 2 × 2 × 7 × 137 × 21149.
Since it has a total of 5 prime factors.
9 , 7 , 78 , 38 , 677 , 735 , 3909 , 778 , 21388 , 20956 , 234980 , 420123 , 3923263 , 1183191 , 37514540 , 57025650 , 366849208 , 97962587 , 7919927254 , 1585348918
n×2
162255128
n×3
243382692
n×4
324510256
n×5
405637820
n÷2
40563782
n÷3
27042521.333333
n÷3
20281891
n÷5
16225512.8
n2
6581681640574096
n3
5.339557985233E+23
n4
4.331853321787E+31
n5
3.5143270760189E+39
2 √n9007.0841008619
3 √n432.90188668221
4 √n94.905658950676
5 √n38.179803347148
1 , 2 , 4 , 7 , 14 , 28 , 137 , 274 , 548 , 959 , 1918 , 3836 , 21149 , 42298 , 84596 , 148043 , 296086 , 592172 , 2897413 , 5794826 , 11589652 , 20281891 , 40563782 , 81127564
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-81127563 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 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
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81127564 can be divided by 24 positive divisors.
The sum of these divisors (counting 81127564) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110101011110100010001100
3
Ternary
12122122201002121
4
Quaternary
10311132202030
5
Quinary
131232040224
6
Senary
12014502324
8
Octal
465364214
10
Decimal
81127564
12
Duodecimal
232049a4
16
Hexadecimal
4d5e88c
20
Vigesimal
1570ii4
36
Base36
1caufg
md5
608580ef1b4bc38ef1c766630edf7265
sha1
c8311821ba8ae82bd5862a2ecc3d1a51b0c4906f
sha256
6dffd7b676d6cb619765a5172c4726d20a6194603cb6be89c19e1cabd3ae9c72
sha512
eb22ea6096eb44070dba698e20284e4e5f581c9a442e6626dd1dcd9f715d37219026a939e97854b422cebc320b9e7dba21dad08a815d9315ff6fe836e331e9d0
ripemd-160
0baa5c004d2f9a3ffe347875b90aeb82701175ba
Diameter
162255128
Circumference
509739518.13207
Area
2.0676962690294E+16
Volume
2.2366288186433E+24
Surface area
8.2707850761178E+16
Circumference
509739518.13207
Perimeter
324510256
Area
6581681640574096
Diagonal
114731701.29109
Surface area
39490089843444576
Volume
5.339557985233E+23
Space diagonal
140517062.7423
Perimeter
243382692
Area
2.8499517501794E+15
Altitude
70258531.371148
Surface area
2.8499517501794E+15
Volume
6.2927294331617E+22
Height
38243900.430364