81799372 is an even 8-digits composite number following 81799371
and preceding 81799373 . In scientific notation, it is written as 8.1799372 × 10^7.
The sum of its digits is 46. It has a total of 4 prime factors and 12 positive divisors.
There are 39489296 positive integers (up to 81799372) that are relatively prime to 81799372.
81799372 has 12 divisors, whose sum is 148085280
The reverse of 81799372 is 27399718
Previous prime number is 29
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
eighty-one million seven hundred ninety-nine thousand three hundred seventy-two
Scientific notation
8.1799372 × 10^7
Engineering notation
8.1799372 × 10^6
Prime Factorization
2 × 2 × 29 × 705167
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
40899686
Product of the distinct prime numbers
The prime factorization of 81799372 is 2 × 2 × 29 × 705167.
Since it has a total of 4 prime factors.
6 , 6 , 13 , 58 , 961 , 765 , 5548 , 4201 , 9390 , 90826 , 242781 , 405464 , 3208932 , 6938438 , 74035646 , 29258409 , 347859236 , 354773802 , 6131562157 , 1965095231
n×2
163598744
n×3
245398116
n×4
327197488
n×5
408996860
n÷2
40899686
n÷3
27266457.333333
n÷3
20449843
n÷5
16359874.4
n2
6691137259594384
n3
5.4733082580062E+23
n4
4.4771317826732E+31
n5
3.6622656818391E+39
2 √n
9044.3005257455
3 √n
434.09354025881
4 √n
95.101527462736
5 √n
38.242827442907
1 , 2 , 4 , 29 , 58 , 116 , 705167 , 1410334 , 2820668 , 20449843 , 40899686 , 81799372
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81799371
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81799372 can be divided by 12 positive divisors.
The sum of these divisors (counting 81799372) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100111000000010100011001100
3
Ternary
12200220211122101
4
Quaternary
10320002203030
5
Quinary
131420034442
6
Senary
12041124444
8
Octal
470024314
10
Decimal
81799372
12
Duodecimal
23489724
16
Hexadecimal
4e028cc
20
Vigesimal
15b4i8c
36
Base36
1cp8ss
md5
adbfdb3bd558a094855c09a3f3e9431b
sha1
cca48c55c1f241e24bb0dd35b741d7223f95b6c3
sha256
b524115e252cbdd4847a899205b809e36d67d0d081f2989a620a9d3eebec12ac
sha512
659bab1290821ce8400a6ad5a2763fb9ac7e283f4228880437ae18fc3b6f5387c2b592e57763512ecefae0851dd6156689396b32caccaa048d2eaf81da2d3dd8
ripemd-160
c46d86db4dfd1c931d469af357a0b30bd33b3f29
Diameter
163598744
Circumference
513960612.28692
Area
2.1020827658903E+16
Volume
2.2926540018913E+24
Surface area
8.4083310635611E+16
Circumference
513960612.28692
Perimeter
327197488
Area
6691137259594384
Diagonal
115681781.276
Surface area
40146823557566304
Volume
5.4733082580062E+23
Space diagonal
141680668.33123
Perimeter
245398116
Area
2.8973474235087E+15
Altitude
70840334.165614
Surface area
2.8973474235087E+15
Volume
6.4503556412675E+22
Height
38560593.758667