81293374 is an even 8-digits composite number following 81293373
and preceding 81293375 . In scientific notation, it is written as 8.1293374 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 40646686 positive integers (up to 81293374) that are relatively prime to 81293374.
81293374 has 4 divisors, whose sum is 121940064
The reverse of 81293374 is 47339218
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
eighty-one million two hundred ninety-three thousand three hundred seventy-four
Scientific notation
8.1293374 × 10^7
Engineering notation
8.1293374 × 10^6
Prime Factorization
2 × 40646687
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81293374
Product of the distinct prime numbers
The prime factorization of 81293374 is 2 × 40646687.
Since it has a total of 2 prime factors.
3 , 1 , 19 , 22 , 338 , 984 , 1294 , 2330 , 34038 , 49681 , 283333 , 335219 , 2096232 , 639126 , 41146481 , 70298535 , 150808470 , 980087792 , 5301117912 , 5397550506
n×2
162586748
n×3
243880122
n×4
325173496
n×5
406466870
n÷2
40646687
n÷3
27097791.333333
n÷3
20323343.5
n÷5
16258674.8
n2
6608612656303876
n3
5.3723642029004E+23
n4
4.367376124106E+31
n5
3.5503874065562E+39
2 √n
9016.2838242815
3 √n
433.19661025231
4 √n
94.954114309394
5 √n
38.195397120178
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
-81293373
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 81293374 can be divided by 4 positive divisors.
The sum of these divisors (counting 81293374) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110110000111000000111110
3
Ternary
12122222010112201
4
Quaternary
10312013000332
5
Quinary
131302341444
6
Senary
12022222114
8
Octal
466070076
10
Decimal
81293374
12
Duodecimal
2328493a
16
Hexadecimal
4d8703e
20
Vigesimal
1581d8e
36
Base36
1ceeda
md5
c00a86f1bd3ff3cc98c597e512d12b7b
sha1
fc8fdb6fe1e4813709949bd5c3edef7093f6bc13
sha256
c1d941a688cc384025f72e4e30149dfdba129410f3b242e66683009a5ef0daee
sha512
004e0475e72b6df2d907649f41e13900230df932b927071307456125edaa8114ad36b3dba320ef4a71e87244410d16f84e9a0d1f23e7ec5af8cf805cb360d495
ripemd-160
1c95bf29c592957264cb90a6e4c92216a8973f71
Diameter
162586748
Circumference
510781333.08785
Area
2.0761568971465E+16
Volume
2.2503706549654E+24
Surface area
8.3046275885859E+16
Circumference
510781333.08785
Perimeter
325173496
Area
6608612656303876
Diagonal
114966192.04187
Surface area
39651675937823256
Volume
5.3723642029004E+23
Space diagonal
140804254.0867
Perimeter
243880122
Area
2.8616132220653E+15
Altitude
70402127.043349
Surface area
2.8616132220653E+15
Volume
6.3313919314579E+22
Height
38322064.013956