81738154 is an even 8-digits composite number following 81738153
and preceding 81738155 . In scientific notation, it is written as 8.1738154 × 10^7.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 40821600 positive integers (up to 81738154) that are relatively prime to 81738154.
81738154 has 8 divisors, whose sum is 122749668
The reverse of 81738154 is 45183718
Previous prime number is 877
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
eighty-one million seven hundred thirty-eight thousand one hundred fifty-four
Scientific notation
8.1738154 × 10^7
Engineering notation
8.1738154 × 10^6
Prime Factorization
2 × 877 × 46601
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81738154
Product of the distinct prime numbers
The prime factorization of 81738154 is 2 × 877 × 46601.
Since it has a total of 3 prime factors.
8 , 8 , 66 , 86 , 216 , 309 , 8670 , 9426 , 73217 , 17560 , 471358 , 188495 , 4539574 , 2890679 , 47287944 , 32046020 , 232654084 , 758177570 , 5094993804 , 3679005498
n×2
163476308
n×3
245214462
n×4
326952616
n×5
408690770
n÷2
40869077
n÷3
27246051.333333
n÷3
20434538.5
n÷5
16347630.8
n2
6681125819327716
n3
5.4610289111359E+23
n4
4.4637442213687E+31
n5
3.6485821258285E+39
2 √n
9040.9155509827
3 √n
433.98522251425
4 √n
95.083729160055
5 √n
38.237101602947
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81738153
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81738154 can be divided by 8 positive divisors.
The sum of these divisors (counting 81738154) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110111110011100110101010
3
Ternary
12200210201200001
4
Quaternary
10313303212222
5
Quinary
131411110104
6
Senary
12035533214
8
Octal
467634652
10
Decimal
81738154
12
Duodecimal
2345a20a
16
Hexadecimal
4df39aa
20
Vigesimal
15ah57e
36
Base36
1cnxka
md5
f2da77901317ed6d9d386ddcb3e246b9
sha1
847ca1659bc7871b7805dbd164a9804aa290af66
sha256
156bef781c7ee5549c9f70596c4bd2930d13ab2f001dcb1a21212044c2cd177c
sha512
6f6ef8f65847d5041c5157245972085e128c80c3b8862784f60830bd99f7abe50d2f25a018f06fac0f0f174b530a9cf4051b571c425ff1e6cafb31c5ff1e6576
ripemd-160
e848915c25367d42de7b1e7c6c40fd811ae303ee
Diameter
163476308
Circumference
513575968.24878
Area
2.0989375791709E+16
Volume
2.2875104411021E+24
Surface area
8.3957503166836E+16
Circumference
513575968.24878
Perimeter
326952616
Area
6681125819327716
Diagonal
115595205.95014
Surface area
40086754915966296
Volume
5.4610289111359E+23
Space diagonal
141574635.64489
Perimeter
245214462
Area
2.893012342709E+15
Altitude
70787317.822445
Surface area
2.893012342709E+15
Volume
6.4358842921999E+22
Height
38531735.316714