81749006 is an even 8-digits composite number following 81749005
and preceding 81749007 . In scientific notation, it is written as 8.1749006 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 40874502 positive integers (up to 81749006) that are relatively prime to 81749006.
81749006 has 4 divisors, whose sum is 122623512
The reverse of 81749006 is 60094718
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
eighty-one million seven hundred forty-nine thousand six
Scientific notation
8.1749006 × 10^7
Engineering notation
8.1749006 × 10^6
Prime Factorization
2 × 40874503
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81749006
Product of the distinct prime numbers
The prime factorization of 81749006 is 2 × 40874503.
Since it has a total of 2 prime factors.
6 , 3 , 53 , 83 , 605 , 596 , 2125 , 7373 , 42292 , 20641 , 560306 , 77809 , 6384848 , 1037407 , 43298486 , 62943423 , 672113244 , 535313956 , 8214879944 , 9294831964
n×2
163498012
n×3
245247018
n×4
326996024
n×5
408745030
n÷2
40874503
n÷3
27249668.666667
n÷3
20437251.5
n÷5
16349801.2
n2
6682899981988036
n3
5.4632043072494E+23
n4
4.4661152169256E+31
n5
3.6510047966514E+39
2 √n
9041.5156915199
3 √n
434.00442774051
4 √n
95.08688496065
5 √n
38.238116861971
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
-81749005
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 81749006 can be divided by 4 positive divisors.
The sum of these divisors (counting 81749006) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110111110110010000001110
3
Ternary
12200211021112222
4
Quaternary
10313312100032
5
Quinary
131411432011
6
Senary
12040055342
8
Octal
467662016
10
Decimal
81749006
12
Duodecimal
23464552
16
Hexadecimal
4df640e
20
Vigesimal
15aica6
36
Base36
1co5xq
md5
9aaed87081f7061aef6e334eb26d6d82
sha1
22bf1621b2a44169cb9dabe3c836f514aa9d380c
sha256
c2e5918f3c6914a3c3f4e10f6916939f5bdb7a9937ebcdec066440cdad2b2f68
sha512
c5f4955baaef783f9c28a2f7844a1c607673fcd9d42fe1719af1092fe63b4b594d7c59b013fcde13f8a1dd6dfe9ef7d232322a819e2e2772aa6659dc100ebdb8
ripemd-160
dc428e2fa19e90de65e4d1fad2e33806900e317f
Diameter
163498012
Circumference
513644153.37574
Area
2.0994949488089E+16
Volume
2.2884216688953E+24
Surface area
8.3979797952356E+16
Circumference
513644153.37574
Perimeter
326996024
Area
6682899981988036
Diagonal
115610552.99572
Surface area
40097399891928216
Volume
5.4632043072494E+23
Space diagonal
141593431.86025
Perimeter
245247018
Area
2.8937805776761E+15
Altitude
70796715.930126
Surface area
2.8937805776761E+15
Volume
6.438448021106E+22
Height
38536850.998573