81738704 is an even 8-digits composite number following 81738703
and preceding 81738705 . In scientific notation, it is written as 8.1738704 × 10^7.
The sum of its digits is 38. It has a total of 6 prime factors and 20 positive divisors.
There are 39459840 positive integers (up to 81738704) that are relatively prime to 81738704.
81738704 has 20 divisors, whose sum is 163830660
The reverse of 81738704 is 40783718
Previous prime number is 29
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
eighty-one million seven hundred thirty-eight thousand seven hundred four
Scientific notation
8.1738704 × 10^7
Engineering notation
8.1738704 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 29 × 176161
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
10217338
Product of the distinct prime numbers
The prime factorization of 81738704 is 2 × 2 × 2 × 2 × 29 × 176161.
Since it has a total of 6 prime factors.
1 , 5 , 1 , 100 , 712 , 249 , 1804 , 6793 , 39328 , 43601 , 558897 , 670285 , 6391440 , 2405924 , 6978183 , 57020972 , 713652060 , 469860490 , 1728115454 , 7329991390
n×2
163477408
n×3
245216112
n×4
326954816
n×5
408693520
n÷2
40869352
n÷3
27246234.666667
n÷3
20434676
n÷5
16347740.8
n2
6681215731599616
n3
5.4611391504536E+23
n4
4.4638643652174E+31
n5
3.6487048804465E+39
2 √n
9040.9459682049
3 √n
433.98619591253
4 √n
95.08388910959
5 √n
38.2371530608
1 , 2 , 4 , 8 , 16 , 29 , 58 , 116 , 232 , 464 , 176161 , 352322 , 704644 , 1409288 , 2818576 , 5108669 , 10217338 , 20434676 , 40869352 , 81738704
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81738703
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81738704 can be divided by 20 positive divisors.
The sum of these divisors (counting 81738704) is 1, the average is 0.05.
Base
System
Value
2
Binary
100110111110011101111010000
3
Ternary
12200210202102102
4
Quaternary
10313303233100
5
Quinary
131411114304
6
Senary
12035535532
8
Octal
467635720
10
Decimal
81738704
12
Duodecimal
2345a5a8
16
Hexadecimal
4df3bd0
20
Vigesimal
15ah6f4
36
Base36
1cnxzk
md5
b4479b1369c94158f43dc7259a12cd0c
sha1
8b5a4aab5cfa502687e569934276c3a02dad374a
sha256
184f9f8642080626b7fd9ca502a2a2aee21e217f7a3eda54181e1eb944fbc09d
sha512
d5f272c150bf0f76d0618b1b27dfe90109b078a2130d7d1ddcabb503b411bcbd46075fa7ca2fbe1d2cc90c84cc4c9c5b877207c15fcd7497aeb264c399eb489d
ripemd-160
4a37a8ea129b45fd4846ef533918a48e60771c11
Diameter
163477408
Circumference
513579424.0007
Area
2.0989658259442E+16
Volume
2.2875566180396E+24
Surface area
8.3958633037768E+16
Circumference
513579424.0007
Perimeter
326954816
Area
6681215731599616
Diagonal
115595983.7676
Surface area
40087294389597696
Volume
5.4611391504536E+23
Space diagonal
141575588.27283
Perimeter
245216112
Area
2.8930512758648E+15
Altitude
70787794.136417
Surface area
2.8930512758648E+15
Volume
6.4360142104819E+22
Height
38531994.5892