81738355 is an odd 8-digits composite number following 81738354
and preceding 81738356 . In scientific notation, it is written as 8.1738355 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 65390680 positive integers (up to 81738355) that are relatively prime to 81738355.
81738355 has 4 divisors, whose sum is 98086032
The reverse of 81738355 is 55383718
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
eighty-one million seven hundred thirty-eight thousand three hundred fifty-five
Scientific notation
8.1738355 × 10^7
Engineering notation
8.1738355 × 10^6
Prime Factorization
5 × 16347671
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81738355
Product of the distinct prime numbers
The prime factorization of 81738355 is 5 × 16347671.
Since it has a total of 2 prime factors.
1 , 3 , 84 , 27 , 105 , 400 , 7988 , 7873 , 13328 , 25509 , 139779 , 910347 , 9288106 , 8235766 , 67019940 , 21290032 , 335130924 , 987793702 , 3693814224 , 7153659845
n×2
163476710
n×3
245215065
n×4
326953420
n×5
408691775
n÷2
40869177.5
n÷3
27246118.333333
n÷3
20434588.75
n÷5
16347671
n2
6681158678106025
n3
5.4610691984236E+23
n4
4.4637881282031E+31
n5
3.6486269866785E+39
2 √n
9040.9266671066
3 √n
433.98557824758
4 √n
95.083787614433
5 √n
38.237120408486
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
-81738354
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 81738355 can be divided by 4 positive divisors.
The sum of these divisors (counting 81738355) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110111110011101001110011
3
Ternary
12200210201221111
4
Quaternary
10313303221303
5
Quinary
131411111410
6
Senary
12035534151
8
Octal
467635163
10
Decimal
81738355
12
Duodecimal
2345a357
16
Hexadecimal
4df3a73
20
Vigesimal
15ah5hf
36
Base36
1cnxpv
md5
90810d6ea4b974c08d2d212490cdcd84
sha1
bfb5eb258f3b51fc19213a15cc5f5d1da2b7d30e
sha256
54a7f9f55b615a3a80958395a8367aa16c8f37bc7cef12c91a00f35d3c51e7ef
sha512
e344d99748b4231179763994916bbf7ed0521a9d469feff28b63c892ec9302ef9767c7f339dee63a2dbe0ab1b08339c8b2e99a633ab327b3c7b77a7e4ffd5f9b
ripemd-160
ed34d9cdab9fcac5f9acc5558e090adb60e9b1a3
Diameter
163476710
Circumference
513577231.16903
Area
2.0989479020606E+16
Volume
2.2875273166017E+24
Surface area
8.3957916082422E+16
Circumference
513577231.16903
Perimeter
326953420
Area
6681158678106025
Diagonal
115595490.20707
Surface area
40086952068636150
Volume
5.4610691984236E+23
Space diagonal
141574983.7871
Perimeter
245215065
Area
2.8930265709773E+15
Altitude
70787491.893551
Surface area
2.8930265709773E+15
Volume
6.4359317712239E+22
Height
38531830.069022