81932015 is an odd 8-digits composite number following 81932014
and preceding 81932016 . In scientific notation, it is written as 8.1932015 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 59586880 positive integers (up to 81932015) that are relatively prime to 81932015.
81932015 has 8 divisors, whose sum is 107256528
The reverse of 81932015 is 51023918
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
eighty-one million nine hundred thirty-two thousand fifteen
Scientific notation
8.1932015 × 10^7
Engineering notation
8.1932015 × 10^6
Prime Factorization
5 × 11 × 1489673
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81932015
Product of the distinct prime numbers
The prime factorization of 81932015 is 5 × 11 × 1489673.
Since it has a total of 3 prime factors.
5 , 7 , 12 , 64 , 33 , 24 , 8391 , 9980 , 46998 , 43516 , 39243 , 793283 , 2344242 , 732081 , 1755981 , 36812022 , 372614687 , 499967510 , 1733486945 , 517092242
n×2
163864030
n×3
245796045
n×4
327728060
n×5
409660075
n÷2
40966007.5
n÷3
27310671.666667
n÷3
20483003.75
n÷5
16386403
n2
6712855081960225
n3
5.4999774326799E+23
n4
4.5062423351399E+31
n5
3.6920551459632E+39
2 √n
9051.6305161004
3 √n
434.32805051283
4 √n
95.140057368599
5 √n
38.255222052268
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81932014
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81932015 can be divided by 8 positive divisors.
The sum of these divisors (counting 81932015) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111000100010111011101111
3
Ternary
12201011120121002
4
Quaternary
10320202323233
5
Quinary
131433311030
6
Senary
12044030515
8
Octal
470427357
10
Decimal
81932015
12
Duodecimal
2353243b
16
Hexadecimal
4e22eef
20
Vigesimal
15c1a0f
36
Base36
1cs35b
md5
5841dd73d08749c103208c7c8423a10d
sha1
cb8434f4136ded9e0abbc04477f37d63b5bcc1c8
sha256
4c111e88003ba7f46a9dafd6219faf0f88dffb6cc096bf0aa4882c068218eadc
sha512
3d98560dd42a0720b3d68395237283df7c478c7ace914f1e54b2a2867efcc6a65d0a617b9de4c1353683beccca0bb0eda008f02c38e1f78c99c9c7f4f3d9b84f
ripemd-160
f06436af5892ff2a6995e77246506220877f79bb
Diameter
163864030
Circumference
514794032.83562
Area
2.1089056210099E+16
Volume
2.3038251596556E+24
Surface area
8.4356224840397E+16
Circumference
514794032.83562
Perimeter
327728060
Area
6712855081960225
Diagonal
115869366.80556
Surface area
40277130491761350
Volume
5.4999774326799E+23
Space diagonal
141910412.7465
Perimeter
245796045
Area
2.9067515164505E+15
Altitude
70955206.373248
Surface area
2.9067515164505E+15
Volume
6.4817855650349E+22
Height
38623122.268519