81008067 is an odd 8-digits composite number following 81008066
and preceding 81008068 . In scientific notation, it is written as 8.1008067 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 12 positive divisors.
There are 45676224 positive integers (up to 81008067) that are relatively prime to 81008067.
81008067 has 12 divisors, whose sum is 86006096
The reverse of 81008067 is 76080018
Previous prime number is 89
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
eighty-one million eight thousand sixty-seven
Scientific notation
8.1008067 × 10^7
Engineering notation
8.1008067 × 10^6
Prime Factorization
21 × 89 × 89 × 487
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
910203
Product of the distinct prime numbers
The prime factorization of 81008067 is 21 × 89 × 89 × 487.
Since it has a total of 4 prime factors.
1 , 6 , 47 , 13 , 609 , 122 , 1589 , 5001 , 34847 , 49586 , 52130 , 495401 , 3594774 , 1908032 , 80384482 , 66587441 , 342019159 , 706440186 , 3217551637 , 7879592433
n×2
162016134
n×3
243024201
n×4
324032268
n×5
405040335
n÷2
40504033.5
n÷3
27002689
n÷3
20252016.75
n÷5
16201613.4
n2
6562306919076489
n3
5.3159979857511E+23
n4
4.3063872100159E+31
n5
3.4885210363691E+39
2 √n
9000.4481555087
3 √n
432.6892343528
4 √n
94.870691762571
5 √n
38.168549311712
1 , 21 , 89 , 487 , 1869 , 7921 , 10227 , 43343 , 166341 , 910203 , 3857527 , 81008067
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81008066
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81008067 can be divided by 12 positive divisors.
The sum of these divisors (counting 81008067) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110101000001010111000011
3
Ternary
12122102122011210
4
Quaternary
10311001113003
5
Quinary
131214224232
6
Senary
12012141203
8
Octal
465012703
10
Decimal
81008067
12
Duodecimal
23167803
16
Hexadecimal
4d415c3
20
Vigesimal
1566037
36
Base36
1c8a83
md5
c522186167ad80085aaac1aeb66d8d20
sha1
655338704ef2856f16ff55bb7d99fa7a7bad385e
sha256
15164cd544b8f81ff1918c29fb05238032cb043c723756ee97c104b9e3559eb9
sha512
a57737d43f98a7bfc58ac74364ac9dabd9f5ddf3f004d89609f0193d3c6c6e2c00b00f7d04d69afbb9dae9a3ee763ad85f3b8664dead287a23f279aa0c18d0ac
ripemd-160
2ecc612b8bedef2e76268841dd88a3dd5d3fce1c
Diameter
162016134
Circumference
508988696.33742
Area
2.0616095207572E+16
Volume
2.2267600291378E+24
Surface area
8.2464380830289E+16
Circumference
508988696.33742
Perimeter
324032268
Area
6562306919076489
Diagonal
114562707.01303
Surface area
39373841514458934
Volume
5.3159979857511E+23
Space diagonal
140310087.86694
Perimeter
243024201
Area
2.8415622496753E+15
Altitude
70155043.933472
Surface area
2.8415622496753E+15
Volume
6.2649637074977E+22
Height
38187569.004343