81593412 is an even 8-digits composite number following 81593411
and preceding 81593413 . In scientific notation, it is written as 8.1593412 × 10^7.
The sum of its digits is 33. It has a total of 5 prime factors and 24 positive divisors.
There are 26853216 positive integers (up to 81593412) that are relatively prime to 81593412.
81593412 has 24 divisors, whose sum is 192796800
The reverse of 81593412 is 21439518
Previous prime number is 79
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
eighty-one million five hundred ninety-three thousand four hundred twelve
Scientific notation
8.1593412 × 10^7
Engineering notation
8.1593412 × 10^6
Prime Factorization
2 × 2 × 3 × 79 × 86069
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
40796706
Product of the distinct prime numbers
The prime factorization of 81593412 is 2 × 2 × 3 × 79 × 86069.
Since it has a total of 5 prime factors.
3 , 1 , 8 , 75 , 368 , 522 , 4527 , 781 , 19353 , 26543 , 654337 , 95910 , 7659299 , 4556008 , 86384205 , 3888826 , 316859587 , 373272521 , 14633310 , 1158013473
n×2
163186824
n×3
244780236
n×4
326373648
n×5
407967060
n÷2
40796706
n÷3
27197804
n÷3
20398353
n÷5
16318682.4
n2
6657484881801744
n3
5.4320690684462E+23
n4
4.4322104951419E+31
n5
3.6163917700084E+39
2 √n
9032.9071732195
3 √n
433.72890401154
4 √n
95.041607589621
5 √n
38.223549941529
1 , 2 , 3 , 4 , 6 , 12 , 79 , 158 , 237 , 316 , 474 , 948 , 86069 , 172138 , 258207 , 344276 , 516414 , 1032828 , 6799451 , 13598902 , 20398353 , 27197804 , 40796706 , 81593412
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81593411
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81593412 can be divided by 24 positive divisors.
The sum of these divisors (counting 81593412) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110111010000010001000100
3
Ternary
12200112101010020
4
Quaternary
10313100101010
5
Quinary
131341442122
6
Senary
12032455140
8
Octal
467202104
10
Decimal
81593412
12
Duodecimal
233aa4b0
16
Hexadecimal
4dd0444
20
Vigesimal
159j3ac
36
Base36
1cktvo
md5
21623817abc6d9f2fcec2281f96ce1d7
sha1
7677971196bcd22aa8f3f4f435aee87049050e89
sha256
f34f96fcd43eaf83db82a97834527b322b516f2de61b488c0c1881122b971b6d
sha512
dc43bd3546088879f26a8df261bd4d36ba26e35cb46a67282b4bd46dce334dbdd18af22e4bc82037724365b81616bea82d76185ed7445adb8e1fb6120577db43
ripemd-160
f461c208a8cdfcae32b7f218ee82a435ff03f151
Diameter
163186824
Circumference
512666527.44105
Area
2.0915105596053E+16
Volume
2.2753797705631E+24
Surface area
8.3660422384214E+16
Circumference
512666527.44105
Perimeter
326373648
Area
6657484881801744
Diagonal
115390509.8507
Surface area
39944909290810464
Volume
5.4320690684462E+23
Space diagonal
141323935.1469
Perimeter
244780236
Area
2.8827755164756E+15
Altitude
70661967.57345
Surface area
2.8827755164756E+15
Volume
6.4017547902867E+22
Height
38463503.283565