81484792 is an even 8-digits composite number following 81484791
and preceding 81484793 . In scientific notation, it is written as 8.1484792 × 10^7.
The sum of its digits is 43. It has a total of 5 prime factors and 16 positive divisors.
There are 40660320 positive integers (up to 81484792) that are relatively prime to 81484792.
81484792 has 16 divisors, whose sum is 153091800
The reverse of 81484792 is 29748418
Previous prime number is 509
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
eighty-one million four hundred eighty-four thousand seven hundred ninety-two
Scientific notation
8.1484792 × 10^7
Engineering notation
8.1484792 × 10^6
Prime Factorization
2 × 2 × 2 × 509 × 20011
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20371198
Product of the distinct prime numbers
The prime factorization of 81484792 is 2 × 2 × 2 × 509 × 20011.
Since it has a total of 5 prime factors.
5 , 6 , 75 , 60 , 788 , 812 , 3591 , 5283 , 83125 , 32922 , 649937 , 263318 , 3829995 , 889821 , 29152890 , 87420910 , 150998033 , 78757667 , 3230051087 , 3452358866
n×2
162969584
n×3
244454376
n×4
325939168
n×5
407423960
n÷2
40742396
n÷3
27161597.333333
n÷3
20371198
n÷5
16296958.4
n2
6639771327283264
n3
5.4104038553124E+23
n4
4.4086563278613E+31
n5
3.5923844387526E+39
2 √n
9026.892710119
3 √n
433.53635352074
4 √n
95.009961109975
5 √n
38.2133676131
1 , 2 , 4 , 8 , 509 , 1018 , 2036 , 4072 , 20011 , 40022 , 80044 , 160088 , 10185599 , 20371198 , 40742396 , 81484792
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81484791
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81484792 can be divided by 16 positive divisors.
The sum of these divisors (counting 81484792) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110110110101101111111000
3
Ternary
12200022212010021
4
Quaternary
10312311233320
5
Quinary
131330003132
6
Senary
12030300224
8
Octal
466655770
10
Decimal
81484792
12
Duodecimal
23357674
16
Hexadecimal
4db5bf8
20
Vigesimal
1595bjc
36
Base36
1cii2g
md5
2474b2c08204e87dad9350e037ed5957
sha1
e85db6ce980333e2069ecb4fe88f0144966212e9
sha256
50bd7acf6bab77ce0d86a4123d6d6414824ae1962756f527b0178838fa47970a
sha512
906cc7f6c9e9d05df3384f2aba36bdc3eb3f2289d7505bacd47359f43df63271a1e62875fbea1823c8d46c2297b9a54f8f2a33fc0c6f67cca740bc2ecb081ad2
ripemd-160
187e1553d789b3acd952dfab7714db635eb7fd72
Diameter
162969584
Circumference
511984047.85298
Area
2.0859456823309E+16
Volume
2.2663046673071E+24
Surface area
8.3437827293237E+16
Circumference
511984047.85298
Perimeter
325939168
Area
6639771327283264
Diagonal
115236897.97355
Surface area
39838627963699584
Volume
5.4104038553124E+23
Space diagonal
141135799.78818
Perimeter
244454376
Area
2.8751053223734E+15
Altitude
70567899.894091
Surface area
2.8751053223734E+15
Volume
6.3762220917487E+22
Height
38412299.324517