81492006 is an even 8-digits composite number following 81492005
and preceding 81492007 . In scientific notation, it is written as 8.1492006 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 27164000 positive integers (up to 81492006) that are relatively prime to 81492006.
81492006 has 8 divisors, whose sum is 162984024
The reverse of 81492006 is 60029418
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
eighty-one million four hundred ninety-two thousand six
Scientific notation
8.1492006 × 10^7
Engineering notation
8.1492006 × 10^6
Prime Factorization
2 × 3 × 13582001
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81492006
Product of the distinct prime numbers
The prime factorization of 81492006 is 2 × 3 × 13582001.
Since it has a total of 3 prime factors.
10 , 10 , 10 , 4 , 373 , 742 , 804 , 6641 , 15894 , 8550 , 492998 , 990269 , 1288457 , 9898634 , 57783031 , 19499252 , 888710319 , 293179368 , 7889100829 , 4753765873
n×2
162984012
n×3
244476018
n×4
325968024
n×5
407460030
n÷2
40746003
n÷3
27164002
n÷3
20373001.5
n÷5
16298401.2
n2
6640947041904036
n3
5.4118409618453E+23
n4
4.4102177613374E+31
n5
3.5939749226821E+39
2 √n
9027.2922850653
3 √n
433.54914706944
4 √n
95.012063892252
5 √n
38.214044209224
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81492005
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81492006 can be divided by 8 positive divisors.
The sum of these divisors (counting 81492006) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110110110111100000100110
3
Ternary
12200100020000110
4
Quaternary
10312313200212
5
Quinary
131330221011
6
Senary
12030353450
8
Octal
466674046
10
Decimal
81492006
12
Duodecimal
2335b886
16
Hexadecimal
4db7826
20
Vigesimal
1596a06
36
Base36
1cinmu
md5
e3faaaf2b094eda7fb51f465b9f0e9bd
sha1
d003fdb04f48e2c3261bc41f14c54531bd2eeadc
sha256
6d722ad834520acc614021f3687a74079624771bd8bb4929d07cd47732d93ca2
sha512
861a892dcb5326e02a56a7c1cec0ac124ff2e145e023084c2ecb6327d297d51d717e884b58387e9f2af4cec15239d181a6b2c44dc53077b96f5037dc48f7babb
ripemd-160
9496b906cbfebe2cc50235048f7ab08a6f0749dd
Diameter
162984012
Circumference
512029374.75179
Area
2.0863150439725E+16
Volume
2.2669066410839E+24
Surface area
8.3452601758898E+16
Circumference
512029374.75179
Perimeter
325968024
Area
6640947041904036
Diagonal
115247100.11019
Surface area
39845682251424216
Volume
5.4118409618453E+23
Space diagonal
141148294.80271
Perimeter
244476018
Area
2.875614421738E+15
Altitude
70574147.401354
Surface area
2.875614421738E+15
Volume
6.3779157380399E+22
Height
38415700.03673