81742012 is an even 8-digits composite number following 81742011
and preceding 81742013 . In scientific notation, it is written as 8.1742012 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors.
There are 37155440 positive integers (up to 81742012) that are relatively prime to 81742012.
81742012 has 12 divisors, whose sum is 156053016
The reverse of 81742012 is 21024718
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
eighty-one million seven hundred forty-two thousand twelve
Scientific notation
8.1742012 × 10^7
Engineering notation
8.1742012 × 10^6
Prime Factorization
2 × 2 × 11 × 1857773
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
40871006
Product of the distinct prime numbers
The prime factorization of 81742012 is 2 × 2 × 11 × 1857773.
Since it has a total of 4 prime factors.
9 , 10 , 25 , 74 , 302 , 440 , 6140 , 5787 , 90235 , 91404 , 949986 , 156400 , 8839027 , 736095 , 74795600 , 86910317 , 591850931 , 656817704 , 3067455475 , 7633808157
n×2
163484024
n×3
245226036
n×4
326968048
n×5
408710060
n÷2
40871006
n÷3
27247337.333333
n÷3
20435503
n÷5
16348402.4
n2
6681756525808144
n3
5.4618022211369E+23
n4
4.464587027018E+31
n5
3.6494432633755E+39
2 √n
9041.1289118118
3 √n
433.99205036866
4 √n
95.084851116315
5 √n
38.237462550548
1 , 2 , 4 , 11 , 22 , 44 , 1857773 , 3715546 , 7431092 , 20435503 , 40871006 , 81742012
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
-81742011
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 81742012 can be divided by 12 positive divisors.
The sum of these divisors (counting 81742012) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110111110100100010111100
3
Ternary
12200210220221221
4
Quaternary
10313310202330
5
Quinary
131411221022
6
Senary
12040003124
8
Octal
467644274
10
Decimal
81742012
12
Duodecimal
234604a4
16
Hexadecimal
4df48bc
20
Vigesimal
15ahf0c
36
Base36
1co0jg
md5
bb01b648b6f99bdc985bf026f0e6650d
sha1
0a087a8b9f47699a64403174c808b0fe778f7fc0
sha256
bead3d1e81b2cf9c168e22a9af2906d1a38bdf0cddaca8f02207426666b287dc
sha512
34f77fe17c4f3b26d1f9c85ab0cd6a56a70e0067dc47d6c9ccad85ee05f6ade4b48a6a018c2b484a1ad4c619e6f118261d1396cf1abd171295d21b2ef0ffd8f1
ripemd-160
da6ce79762ac0614bb6f0368d2f8a76d10ff19d8
Diameter
163484024
Circumference
513600208.7777
Area
2.0991357214555E+16
Volume
2.2878343644379E+24
Surface area
8.3965428858218E+16
Circumference
513600208.7777
Perimeter
326968048
Area
6681756525808144
Diagonal
115600661.98606
Surface area
40090539154848864
Volume
5.4618022211369E+23
Space diagonal
141581317.8969
Perimeter
245226036
Area
2.8932854466262E+15
Altitude
70790658.948452
Surface area
2.8932854466262E+15
Volume
6.4367956467761E+22
Height
38533553.995355