81742046 is an even 8-digits composite number following 81742045
and preceding 81742047 . In scientific notation, it is written as 8.1742046 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 38970624 positive integers (up to 81742046) that are relatively prime to 81742046.
81742046 has 16 divisors, whose sum is 128348064
The reverse of 81742046 is 64024718
Previous prime number is 337
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
eighty-one million seven hundred forty-two thousand forty-six
Scientific notation
8.1742046 × 10^7
Engineering notation
8.1742046 × 10^6
Prime Factorization
2 × 23 × 337 × 5273
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81742046
Product of the distinct prime numbers
The prime factorization of 81742046 is 2 × 23 × 337 × 5273.
Since it has a total of 4 prime factors.
9 , 3 , 79 , 37 , 695 , 711 , 2410 , 9650 , 45854 , 87160 , 317570 , 784815 , 2610663 , 4503424 , 20688508 , 39996620 , 351308092 , 935498066 , 5416726330 , 8554521018
n×2
163484092
n×3
245226138
n×4
326968184
n×5
408710230
n÷2
40871023
n÷3
27247348.666667
n÷3
20435511.5
n÷5
16348409.2
n2
6681762084266116
n3
5.4618090365314E+23
n4
4.4645944550736E+31
n5
3.6494508531797E+39
2 √n
9041.1307921078
3 √n
433.99211054061
4 √n
95.084861003778
5 √n
38.237465731467
1 , 2 , 23 , 46 , 337 , 674 , 5273 , 7751 , 10546 , 15502 , 121279 , 242558 , 1777001 , 3554002 , 40871023 , 81742046
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
-81742045
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 81742046 can be divided by 16 positive divisors.
The sum of these divisors (counting 81742046) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110111110100100011011110
3
Ternary
12200210221000012
4
Quaternary
10313310203132
5
Quinary
131411221141
6
Senary
12040003222
8
Octal
467644336
10
Decimal
81742046
12
Duodecimal
23460512
16
Hexadecimal
4df48de
20
Vigesimal
15ahf26
36
Base36
1co0ke
md5
6761307368e66a4453aac9a30dea973b
sha1
5852750af7ad498cf822d9d193848999fff95901
sha256
3dee4c6881524ac8213250194867e67eac5a2f6d436a1e4813ffacafa49fbbac
sha512
32a447600b8da31273a69d18348ef65f5a4721854f8047080a817eca9a45614ede3ae7bdfe60b74e599cd41a5698a338a24e6ced5f52d8fa0d7edef24022e814
ripemd-160
f149656c46873bd3127d926a72affde92e850c4f
Diameter
163484092
Circumference
513600422.406
Area
2.0991374676965E+16
Volume
2.2878372192636E+24
Surface area
8.3965498707861E+16
Circumference
513600422.406
Perimeter
326968184
Area
6681762084266116
Diagonal
115600710.06933
Surface area
40090572505596696
Volume
5.4618090365314E+23
Space diagonal
141581376.78663
Perimeter
245226138
Area
2.8932878535091E+15
Altitude
70790688.393316
Surface area
2.8932878535091E+15
Volume
6.4368036787955E+22
Height
38533570.023108