81484311 is an odd 8-digits composite number following 81484310
and preceding 81484312 . In scientific notation, it is written as 8.1484311 × 10^7.
The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors.
There are 54322872 positive integers (up to 81484311) that are relatively prime to 81484311.
81484311 has 4 divisors, whose sum is 108645752
The reverse of 81484311 is 11348418
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
eighty-one million four hundred eighty-four thousand three hundred eleven
Scientific notation
8.1484311 × 10^7
Engineering notation
8.1484311 × 10^6
Prime Factorization
3 × 27161437
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81484311
Product of the distinct prime numbers
The prime factorization of 81484311 is 3 × 27161437.
Since it has a total of 2 prime factors.
8 , 2 , 70 , 47 , 27 , 42 , 1656 , 2744 , 96175 , 61568 , 116051 , 1983 , 6730866 , 4147540 , 74467255 , 96590620 , 699902717 , 973859313 , 2401121465 , 7269491866
n×2
162968622
n×3
244452933
n×4
325937244
n×5
407421555
n÷2
40742155.5
n÷3
27161437
n÷3
20371077.75
n÷5
16296862.2
n2
6639692939144721
n3
5.4103080439777E+23
n4
4.4085522326128E+31
n5
3.5922784118197E+39
2 √n
9026.8660674677
3 √n
433.53550047241
4 √n
95.009820900093
5 √n
38.213322498735
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
-81484310
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 81484311 can be divided by 4 positive divisors.
The sum of these divisors (counting 81484311) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110110110101101000010111
3
Ternary
12200022211110110
4
Quaternary
10312311220113
5
Quinary
131324444221
6
Senary
12030254103
8
Octal
466655027
10
Decimal
81484311
12
Duodecimal
23357333
16
Hexadecimal
4db5a17
20
Vigesimal
1595afb
36
Base36
1cihp3
md5
a0a7a06eb3788be02eb078fda6379cba
sha1
482215e9889b45c24d3c5706b000fbdc1a57e64b
sha256
6a4b3c2f903bb2f7ba2f57fadeb2343e5fcb0210805111e06a359742c2c69ea1
sha512
d060dd3578dd1c1a6f559aeb6ed036b03064a575d364caba0cd1c58c9006070ddc9566b69c7ff23b508d4171dfe3d5be93fd499ce2c765eedc6fe3773d5c3be1
ripemd-160
3cb9637f50514bb492f9c848545759d2dfa219ce
Diameter
162968622
Circumference
511981025.64085
Area
2.0859210559709E+16
Volume
2.2662645339491E+24
Surface area
8.3436842238836E+16
Circumference
511981025.64085
Perimeter
325937244
Area
6639692939144721
Diagonal
115236217.73683
Surface area
39838157634868326
Volume
5.4103080439777E+23
Space diagonal
141134966.67174
Perimeter
244452933
Area
2.8750713793137E+15
Altitude
70567483.335872
Surface area
2.8750713793137E+15
Volume
6.376109177008E+22
Height
38412072.578942