81742013 is an odd 8-digits composite number following 81742012
and preceding 81742014 . In scientific notation, it is written as 8.1742013 × 10^7.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 80401920 positive integers (up to 81742013) that are relatively prime to 81742013.
81742013 has 4 divisors, whose sum is 83082108
The reverse of 81742013 is 31024718
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
eighty-one million seven hundred forty-two thousand thirteen
Scientific notation
8.1742013 × 10^7
Engineering notation
8.1742013 × 10^6
Prime Factorization
61 × 1340033
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81742013
Product of the distinct prime numbers
The prime factorization of 81742013 is 61 × 1340033.
Since it has a total of 2 prime factors.
7 , 7 , 65 , 97 , 982 , 265 , 5509 , 8570 , 26860 , 86605 , 371366 , 216978 , 8782046 , 7566514 , 40936268 , 60024906 , 859802483 , 513232553 , 7584881953 , 4182414113
n×2
163484026
n×3
245226039
n×4
326968052
n×5
408710065
n÷2
40871006.5
n÷3
27247337.666667
n÷3
20435503.25
n÷5
16348402.6
n2
6681756689292169
n3
5.4618024215896E+23
n4
4.4645872454901E+31
n5
3.6494434866048E+39
2 √n
9041.1289671147
3 √n
433.99205213842
4 √n
95.084851407123
5 √n
38.237462644105
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
-81742012
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 81742013 can be divided by 4 positive divisors.
The sum of these divisors (counting 81742013) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110111110100100010111101
3
Ternary
12200210220221222
4
Quaternary
10313310202331
5
Quinary
131411221023
6
Senary
12040003125
8
Octal
467644275
10
Decimal
81742013
12
Duodecimal
234604a5
16
Hexadecimal
4df48bd
20
Vigesimal
15ahf0d
36
Base36
1co0jh
md5
834ded9602f9571271cf56b2960e8a61
sha1
556ecd52105bb0cfce372d68d0d201219a200b04
sha256
44f56aead32a74e84491b82cf433eed934f47fe7272111f7da9795a258175b1e
sha512
60cf0b05377eb15397015841efc1eee9ff450053647a491e58ba0d9175bb33fedb2673e038db26e49b44ec261231cd917b4a99ef985a88fccdfe9585a616dbb3
ripemd-160
e8c17254c8167e344eb7cd47db2751464aa3adc7
Diameter
163484026
Circumference
513600215.06088
Area
2.0991357728155E+16
Volume
2.2878344484033E+24
Surface area
8.3965430912619E+16
Circumference
513600215.06088
Perimeter
326968052
Area
6681756689292169
Diagonal
115600663.40028
Surface area
40090540135753014
Volume
5.4618024215896E+23
Space diagonal
141581319.62896
Perimeter
245226039
Area
2.8932855174168E+15
Altitude
70790659.814478
Surface area
2.8932855174168E+15
Volume
6.4367958830118E+22
Height
38533554.466759