81093078 is an even 8-digits composite number following 81093077
and preceding 81093079 . In scientific notation, it is written as 8.1093078 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors.
There are 23503920 positive integers (up to 81093078) that are relatively prime to 81093078.
81093078 has 32 divisors, whose sum is 153861120
The reverse of 81093078 is 87039018
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
eighty-one million ninety-three thousand seventy-eight
Scientific notation
8.1093078 × 10^7
Engineering notation
8.1093078 × 10^6
Prime Factorization
2 × 9 × 23 × 11 × 17807
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
81093078
Product of the distinct prime numbers
The prime factorization of 81093078 is 2 × 9 × 23 × 11 × 17807.
Since it has a total of 5 prime factors.
7 , 6 , 31 , 52 , 778 , 614 , 6237 , 4459 , 91271 , 83927 , 85727 , 970451 , 1615917 , 5062479 , 12539876 , 74114100 , 999637417 , 595820307 , 4966681430 , 2440852734
n×2
162186156
n×3
243279234
n×4
324372312
n×5
405465390
n÷2
40546539
n÷3
27031026
n÷3
20273269.5
n÷5
16218615.6
n2
6576087299514084
n3
5.332751603143E+23
n4
4.324492417083E+31
n5
3.5068640088892E+39
2 √n
9005.1695153395
3 √n
432.84053815242
4 √n
94.895571631871
5 √n
38.176556873155
1 , 2 , 9 , 11 , 18 , 22 , 23 , 46 , 99 , 198 , 207 , 253 , 414 , 506 , 2277 , 4554 , 17807 , 35614 , 160263 , 195877 , 320526 , 391754 , 409561 , 819122 , 1762893 , 3525786 , 3686049 , 4505171 , 7372098 , 9010342 , 40546539 , 81093078
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81093077
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81093078 can be divided by 32 positive divisors.
The sum of these divisors (counting 81093078) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100110101010110000111010110
3
Ternary
12122120221210100
4
Quaternary
10311112013112
5
Quinary
131224434303
6
Senary
12014034530
8
Octal
465260726
10
Decimal
81093078
12
Duodecimal
231a8a46
16
Hexadecimal
4d561d6
20
Vigesimal
156gcdi
36
Base36
1ca3ti
md5
e11d6bee1223be1fbf825a2bc89692a8
sha1
61e594847815616b5684addd8fae2c36e95f4d5e
sha256
dbbd43231a77e02ff3dda382939823104e473685e7c2601f22db2fcba881a770
sha512
fb6b428b43cee2f1f12068c755d49605254147e7e5725c7b69c0e065fa6a82a04c713d337877cdb1619742ad6be82341230150388cd116dfe428e9c1e676b2c5
ripemd-160
20fa3aafa4be6cd7733bf2b47d9a2d9a028b1a4f
Diameter
162186156
Circumference
509522836.20357
Area
2.0659387549519E+16
Volume
2.2337777679805E+24
Surface area
8.2637550198074E+16
Circumference
509522836.20357
Perimeter
324372312
Area
6576087299514084
Diagonal
114682930.72218
Surface area
39456523797084504
Volume
5.332751603143E+23
Space diagonal
140457331.23815
Perimeter
243279234
Area
2.8475293294417E+15
Altitude
70228665.619073
Surface area
2.8475293294417E+15
Volume
6.2847080349431E+22
Height
38227643.57406