81432015 is an odd 8-digits composite number following 81432014
and preceding 81432016 . In scientific notation, it is written as 8.1432015 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 36751104 positive integers (up to 81432015) that are relatively prime to 81432015.
81432015 has 16 divisors, whose sum is 113103360
The reverse of 81432015 is 51023418
Previous prime number is 35
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
eighty-one million four hundred thirty-two thousand fifteen
Scientific notation
8.1432015 × 10^7
Engineering notation
8.1432015 × 10^6
Prime Factorization
79 × 3 × 35 × 9817
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81432015
Product of the distinct prime numbers
The prime factorization of 81432015 is 79 × 3 × 35 × 9817.
Since it has a total of 4 prime factors.
4 , 1 , 66 , 91 , 588 , 5 , 549 , 5235 , 9687 , 21253 , 593357 , 57905 , 1597427 , 3341439 , 30134044 , 995397 , 340329155 , 650310889 , 3104528886 , 6496184544
n×2
162864030
n×3
244296045
n×4
325728060
n×5
407160075
n÷2
40716007.5
n÷3
27144005
n÷3
20358003.75
n÷5
16286403
n2
6631173066960225
n3
5.399897846563E+23
n4
4.3972456243979E+31
n5
3.5807657164465E+39
2 √n
9023.9689161699
3 √n
433.44273404798
4 √n
94.994573087992
5 √n
38.208416236142
1 , 3 , 35 , 79 , 105 , 237 , 2765 , 8295 , 9817 , 29451 , 343595 , 775543 , 1030785 , 2326629 , 27144005 , 81432015
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
-81432014
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 81432015 can be divided by 16 positive divisors.
The sum of these divisors (counting 81432015) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110110101000110111001111
3
Ternary
12200020011201120
4
Quaternary
10312220313033
5
Quinary
131321311030
6
Senary
12025212023
8
Octal
466506717
10
Decimal
81432015
12
Duodecimal
23331013
16
Hexadecimal
4da8dcf
20
Vigesimal
158j00f
36
Base36
1chdcf
md5
4fda73f25db246ed6582ce0f96361d04
sha1
b69b6cbada57308f888ec489aa02c4a50dcaf3e6
sha256
c7b12276b392b5e233b85116bd64059e46152b361921f2c4d0f9d322a0941d77
sha512
6a8d8ea91b579c1cb5670a065be4ae591f9ca7a97a22ab0dbb6543fbedf972e11da7177d6210bf4521fcb526c27a864312b4e895ef47657163805ae37979efec
ripemd-160
e63e58a0a163ebd20e64dc61d75c356aaac9bec0
Diameter
162864030
Circumference
511652440.18203
Area
2.0832444591845E+16
Volume
2.261903920653E+24
Surface area
8.3329778367379E+16
Circumference
511652440.18203
Perimeter
325728060
Area
6631173066960225
Diagonal
115162260.02437
Surface area
39787038401761350
Volume
5.399897846563E+23
Space diagonal
141044387.34271
Perimeter
244296045
Area
2.8713821664394E+15
Altitude
70522193.671355
Surface area
2.8713821664394E+15
Volume
6.3638406416989E+22
Height
38387420.008123