81344982 is an even 8-digits composite number following 81344981
and preceding 81344983 . In scientific notation, it is written as 8.1344982 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 27095712 positive integers (up to 81344982) that are relatively prime to 81344982.
81344982 has 16 divisors, whose sum is 162805680
The reverse of 81344982 is 28944318
Previous prime number is 7933
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
eighty-one million three hundred forty-four thousand nine hundred eighty-two
Scientific notation
8.1344982 × 10^7
Engineering notation
8.1344982 × 10^6
Prime Factorization
2 × 3 × 7933 × 1709
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81344982
Product of the distinct prime numbers
The prime factorization of 81344982 is 2 × 3 × 7933 × 1709.
Since it has a total of 4 prime factors.
8 , 9 , 52 , 32 , 178 , 274 , 9493 , 4464 , 59760 , 21187 , 743604 , 907732 , 4920091 , 1223695 , 53371546 , 99718433 , 167233285 , 982682273 , 7461084957 , 9105457173
n×2
162689964
n×3
244034946
n×4
325379928
n×5
406724910
n÷2
40672491
n÷3
27114994
n÷3
20336245.5
n÷5
16268996.4
n2
6617006096580324
n3
5.3826024182022E+23
n4
4.3784769682181E+31
n5
3.5616713016712E+39
2 √n
9019.145303187
3 √n
433.2882605322
4 √n
94.969180807181
5 √n
38.200245455523
1 , 2 , 3 , 6 , 1709 , 3418 , 5127 , 7933 , 10254 , 15866 , 23799 , 47598 , 13557497 , 27114994 , 40672491 , 81344982
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81344981
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81344982 can be divided by 16 positive divisors.
The sum of these divisors (counting 81344982) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110110010011100111010110
3
Ternary
12200001202100010
4
Quaternary
10312103213112
5
Quinary
131311014412
6
Senary
12023301050
8
Octal
466234726
10
Decimal
81344982
12
Duodecimal
232aa786
16
Hexadecimal
4d939d6
20
Vigesimal
1588292
36
Base36
1cfi6u
md5
19cdc1dc13c494326901cf8a7f657511
sha1
0e06e89e94337da6ea6cb10715584054d5ba0953
sha256
b21b238aca05f204fcd684f7e2f21d1c423527accf8baea2fd7c42e9551ad90a
sha512
460cf004ffeecaf0a1630ab69c67858fc7f8c73e0058376b4de86f6e6f291e0b8a9bc01bc90ed61e19d53a05b8dcc9a449f9252288eed6932ef2a11c14efec13
ripemd-160
6b899d1ebe7c1a3910caf10057ac8d75641aa941
Diameter
162689964
Circumference
511105595.71519
Area
2.0787937741776E+16
Volume
2.2546592285625E+24
Surface area
8.3151750967102E+16
Circumference
511105595.71519
Perimeter
325379928
Area
6617006096580324
Diagonal
115039176.7754
Surface area
39702036579481944
Volume
5.3826024182022E+23
Space diagonal
140893641.76478
Perimeter
244034946
Area
2.8652476883175E+15
Altitude
70446820.882388
Surface area
2.8652476883175E+15
Volume
6.3434577839031E+22
Height
38346392.258465