81589899 is an odd 8-digits composite number following 81589898
and preceding 81589900 . In scientific notation, it is written as 8.1589899 × 10^7.
The sum of its digits is 57. It has a total of 2 prime factors and 4 positive divisors.
There are 54393264 positive integers (up to 81589899) that are relatively prime to 81589899.
81589899 has 4 divisors, whose sum is 108786536
The reverse of 81589899 is 99898518
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 57
Digital Root 3
Name
eighty-one million five hundred eighty-nine thousand eight hundred ninety-nine
Scientific notation
8.1589899 × 10^7
Engineering notation
8.1589899 × 10^6
Prime Factorization
3 × 27196633
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81589899
Product of the distinct prime numbers
The prime factorization of 81589899 is 3 × 27196633.
Since it has a total of 2 prime factors.
1 , 3 , 1 , 86 , 742 , 678 , 5641 , 5808 , 84511 , 46488 , 555333 , 64517 , 8598854 , 9417458 , 58257774 , 35456201 , 369277693 , 878726338 , 2727414604 , 7095365233
n×2
163179798
n×3
244769697
n×4
326359596
n×5
407949495
n÷2
40794949.5
n÷3
27196633
n÷3
20397474.75
n÷5
16317979.8
n2
6656911618830201
n3
5.4313674663228E+23
n4
4.4314472300917E+31
n5
3.6156133192701E+39
2 √n
9032.7127154582
3 √n
433.72267919726
4 √n
95.040584570268
5 √n
38.223220793279
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81589898
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81589899 can be divided by 4 positive divisors.
The sum of these divisors (counting 81589899) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110111001111011010001011
3
Ternary
12200112012022010
4
Quaternary
10313033122023
5
Quinary
131341334044
6
Senary
12032431003
8
Octal
467173213
10
Decimal
81589899
12
Duodecimal
233a8463
16
Hexadecimal
4dcf68b
20
Vigesimal
159ieej
36
Base36
1ckr63
md5
4083a0a683f71a3fbe8d77dce766594e
sha1
65782effd846c03dc0eb90f0ef0cb7a083309e3e
sha256
816fe0aad31ad1bd22a07ce09c9db46d7356b24583d76d98150836fe3e988279
sha512
56438a6b51bad78db6044b2ee87973687ab8a7886297e923b20a20574137ccdbc50a0ddc22e7e7683a947df886e1fb8429d7d550d4bcb01cc30c8a02d832a0a6
ripemd-160
ca6b130e7fdd066b9fcc9ab1642be65a5433900e
Diameter
163179798
Circumference
512644454.61107
Area
2.0913304637313E+16
Volume
2.2750858841529E+24
Surface area
8.3653218549254E+16
Circumference
512644454.61107
Perimeter
326359596
Area
6656911618830201
Diagonal
115385541.71845
Surface area
39941469712981206
Volume
5.4313674663228E+23
Space diagonal
141317850.45241
Perimeter
244769697
Area
2.8825272863274E+15
Altitude
70658925.226207
Surface area
2.8825272863274E+15
Volume
6.4009279442548E+22
Height
38461847.239484