81796738 is an even 8-digits composite number following 81796737
and preceding 81796739 . In scientific notation, it is written as 8.1796738 × 10^7.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 40898368 positive integers (up to 81796738) that are relatively prime to 81796738.
81796738 has 4 divisors, whose sum is 122695110
The reverse of 81796738 is 83769718
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 49
Digital Root 4
Name
eighty-one million seven hundred ninety-six thousand seven hundred thirty-eight
Scientific notation
8.1796738 × 10^7
Engineering notation
8.1796738 × 10^6
Prime Factorization
2 × 40898369
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81796738
Product of the distinct prime numbers
The prime factorization of 81796738 is 2 × 40898369.
Since it has a total of 2 prime factors.
7 , 5 , 39 , 85 , 408 , 43 , 5974 , 6656 , 51171 , 29750 , 115823 , 571715 , 8208089 , 890894 , 70811452 , 74577428 , 379441382 , 314229456 , 4907573633 , 3347164157
n×2
163593476
n×3
245390214
n×4
327186952
n×5
408983690
n÷2
40898369
n÷3
27265579.333333
n÷3
20449184.5
n÷5
16359347.6
n2
6690706347440644
n3
5.4727795413654E+23
n4
4.4765551427683E+31
n5
3.6616760815557E+39
2 √n
9044.1549080055
3 √n
434.08888083161
4 √n
95.100761868691
5 √n
38.242581150295
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
-81796737
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 81796738 can be divided by 4 positive divisors.
The sum of these divisors (counting 81796738) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111000000001111010000010
3
Ternary
12200220201000211
4
Quaternary
10320001322002
5
Quinary
131414443423
6
Senary
12041104334
8
Octal
470017202
10
Decimal
81796738
12
Duodecimal
234880aa
16
Hexadecimal
4e01e82
20
Vigesimal
15b4bgi
36
Base36
1cp6rm
md5
2b869df3a2584b4e7137584af6df9030
sha1
670db5dd4380e0b415da0ef2960d6dab01fb3398
sha256
89c69e655fc168697fe1768b0172b360e26596de538a986ac435b4f6998f8f4e
sha512
cefc379b14f4edc2ddf219f542189d0b97bfac644a27ada626f7f412606d2098fd0990bbc2200419760b5a483c7c2a7760cca92c6daf122d55958615a9595f5c
ripemd-160
0e8d963d495efca91087af693d2373bc4ded4fd1
Diameter
163593476
Circumference
513944062.37682
Area
2.1019473908446E+16
Volume
2.2924325335827E+24
Surface area
8.4077895633784E+16
Circumference
513944062.37682
Perimeter
327186952
Area
6690706347440644
Diagonal
115678056.23748
Surface area
40144238084643864
Volume
5.4727795413654E+23
Space diagonal
141676106.1094
Perimeter
245390214
Area
2.8971608330727E+15
Altitude
70838053.0547
Surface area
2.8971608330727E+15
Volume
6.4497325427308E+22
Height
38559352.07916