81744516 is an even 8-digits composite number following 81744515
and preceding 81744517 . In scientific notation, it is written as 8.1744516 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors.
There are 23236416 positive integers (up to 81744516) that are relatively prime to 81744516.
81744516 has 24 divisors, whose sum is 146065920
The reverse of 81744516 is 61544718
Previous prime number is 227
Is Prime? no Number parity even Number length 8 Sum of Digits 36 Digital Root 9
Name
eighty-one million seven hundred forty-four thousand five hundred sixteen
Scientific notation
8.1744516 × 10^7
Engineering notation
8.1744516 × 10^6
Prime Factorization
2 × 2 × 63 × 227 × 1429
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
40872258 Product of the distinct prime numbers
The prime factorization of 81744516 is 2 × 2 × 63 × 227 × 1429.
Since it has a total of 5 prime factors.
9 , 7 , 100 , 66 , 979 , 879 , 7439 , 5323 , 12747 , 13736 , 665078 , 883291 , 3901361 , 3109582 , 37555751 , 56561161 , 144353334 , 735222164 , 4828280398 , 7364680968
n×2
163489032
n×3
245233548
n×4
326978064
n×5
408722580
n÷2
40872258
n÷3
27248172
n÷3
20436129
n÷5
16348903.2
n2
6682165896074256
n3
5.462304170063E+23
n4
4.4651341062658E+31
n5
3.6500022639179E+39
2 √n9041.2673890335
3 √n433.99648181083
4 √n95.085579290624
5 √n38.23769681303
1 , 2 , 4 , 63 , 126 , 227 , 252 , 454 , 908 , 1429 , 2858 , 5716 , 14301 , 28602 , 57204 , 90027 , 180054 , 324383 , 360108 , 648766 , 1297532 , 20436129 , 40872258 , 81744516
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-81744515 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 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
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81744516 can be divided by 24 positive divisors.
The sum of these divisors (counting 81744516) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110111110101001010000100
3
Ternary
12200211001101200
4
Quaternary
10313311022010
5
Quinary
131411311031
6
Senary
12040022500
8
Octal
467651204
10
Decimal
81744516
12
Duodecimal
23461a30
16
Hexadecimal
4df5284
20
Vigesimal
15ai15g
36
Base36
1co2h0
md5
21dfdd655cd1023138fb90105a0560b0
sha1
09a50bffa8c1ef9b35787406011a7ac46a79ad89
sha256
befe253a6ea2401b050ebb2680afd503e612be7de92bcab46a1b22956f649f5e
sha512
e304a4fa846881926ebbd368d2a457ac002a82b4da415a4f7e4f298daf68662f35781102f2911fc9fc2362a6c1659e58eb85a4599b66fd18f64605ad814670a1
ripemd-160
3e344380dff439a926ce5442248b6c91099a1824
Diameter
163489032
Circumference
513615941.87371
Area
2.0992643289175E+16
Volume
2.2880446203124E+24
Surface area
8.3970573156701E+16
Circumference
513615941.87371
Perimeter
326978064
Area
6682165896074256
Diagonal
115604203.17682
Surface area
40092995376445536
Volume
5.462304170063E+23
Space diagonal
141585654.95213
Perimeter
245233548
Area
2.8934627091512E+15
Altitude
70792827.476064
Surface area
2.8934627091512E+15
Volume
6.4373871992585E+22
Height
38534734.392275