81617093 is an odd 8-digits composite number following 81617092
and preceding 81617094 . In scientific notation, it is written as 8.1617093 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 81589248 positive integers (up to 81617093) that are relatively prime to 81617093.
81617093 has 4 divisors, whose sum is 81644940
The reverse of 81617093 is 39071618
Previous prime number is 3329
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
eighty-one million six hundred seventeen thousand ninety-three
Scientific notation
8.1617093 × 10^7
Engineering notation
8.1617093 × 10^6
Prime Factorization
3329 × 24517
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81617093
Product of the distinct prime numbers
The prime factorization of 81617093 is 3329 × 24517.
Since it has a total of 2 prime factors.
4 , 2 , 82 , 88 , 3 , 667 , 9782 , 6110 , 69012 , 9463 , 787724 , 798572 , 7027802 , 28076 , 13074807 , 79520434 , 779935249 , 891005833 , 4466385407 , 8020171996
n×2
163234186
n×3
244851279
n×4
326468372
n×5
408085465
n÷2
40808546.5
n÷3
27205697.666667
n÷3
20404273.25
n÷5
16323418.6
n2
6661349869770649
n3
5.4368001182661E+23
n4
4.4373582087493E+31
n5
3.6216427759781E+39
2 √n
9034.2178964203
3 √n
433.77086058791
4 √n
95.048502862592
5 √n
38.225768421669
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
-81617092
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 81617093 can be divided by 4 positive divisors.
The sum of these divisors (counting 81617093) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110111010110000011000101
3
Ternary
12200120120121022
4
Quaternary
10313112003011
5
Quinary
131343221333
6
Senary
12033200525
8
Octal
467260305
10
Decimal
81617093
12
Duodecimal
23400145
16
Hexadecimal
4dd60c5
20
Vigesimal
15a22ed
36
Base36
1clc5h
md5
2f95779481439234bea8130c6011a490
sha1
64f5d866ea63c607008ccdc35b2da3acc14b1a5e
sha256
d760e00f8aab5137c6cdbb65d338d0959c0c9da8ee25c63948a4858ca69fb7df
sha512
1d61f929daadc1f0f8f61b5f414fcd02c82a0aa21c66eab8c9c9007b2687dfc7c72116ab05e48e0165cb99992812d09a25eb3d4d256cf072af6f44863ac3bc34
ripemd-160
97c847e363430b79aff414599e88f1f95d471038
Diameter
163234186
Circumference
512815319.55231
Area
2.0927247813863E+16
Volume
2.2773615080774E+24
Surface area
8.3708991255451E+16
Circumference
512815319.55231
Perimeter
326468372
Area
6661349869770649
Diagonal
115423999.84207
Surface area
39968099218623894
Volume
5.4368001182661E+23
Space diagonal
141364951.84207
Perimeter
244851279
Area
2.8844491053588E+15
Altitude
70682475.921037
Surface area
2.8844491053588E+15
Volume
6.4073303859696E+22
Height
38474666.614022