81496719 is an odd 8-digits composite number following 81496718
and preceding 81496720 . In scientific notation, it is written as 8.1496719 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 16 positive divisors.
There are 51471288 positive integers (up to 81496719) that are relatively prime to 81496719.
81496719 has 16 divisors, whose sum is 127091200
The reverse of 81496719 is 91769418
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
eighty-one million four hundred ninety-six thousand seven hundred nineteen
Scientific notation
8.1496719 × 10^7
Engineering notation
8.1496719 × 10^6
Prime Factorization
3 × 3 × 3 × 19 × 158863
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
9055191
Product of the distinct prime numbers
The prime factorization of 81496719 is 3 × 3 × 3 × 19 × 158863.
Since it has a total of 5 prime factors.
9 , 2 , 23 , 44 , 359 , 767 , 8880 , 7669 , 43558 , 82152 , 842956 , 44824 , 3194303 , 7665353 , 95393038 , 91975579 , 813182164 , 474364353 , 1340417841 , 927785080
n×2
162993438
n×3
244490157
n×4
325986876
n×5
407483595
n÷2
40748359.5
n÷3
27165573
n÷3
20374179.75
n÷5
16299343.8
n2
6641715207764961
n3
5.4127799796525E+23
n4
4.4112380901056E+31
n5
3.5950143107144E+39
2 √n
9027.5533230217
3 √n
433.55750485339
4 √n
95.013437591857
5 √n
38.214486212392
1 , 3 , 9 , 19 , 27 , 57 , 171 , 513 , 158863 , 476589 , 1429767 , 3018397 , 4289301 , 9055191 , 27165573 , 81496719
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
-81496718
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 81496719 can be divided by 16 positive divisors.
The sum of these divisors (counting 81496719) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110110111000101010001111
3
Ternary
12200100110111000
4
Quaternary
10312320222033
5
Quinary
131330343334
6
Senary
12030431343
8
Octal
466705217
10
Decimal
81496719
12
Duodecimal
23362553
16
Hexadecimal
4db8a8f
20
Vigesimal
15971fj
36
Base36
1cir9r
md5
eb6ffc08a9ccf2c4829334732e8708b7
sha1
e62d14942cc7332539e80a7e4503086dd733280c
sha256
ef048a7b06e7f3c2277dbc2fa753d6a4a4e6afb25cc454ae512b360dd498485a
sha512
7befa370de5b4e8604ed2c151cee2471decccb48673ecd950a7ae4141d5829711f6a8b6db74d7ef5e0c0fb6d662efb72fac191e7292e493b4895d828032bbf7f
ripemd-160
69931c95c73d06dcf4ee3a75cac3301ade43add4
Diameter
162993438
Circumference
512058987.40414
Area
2.086556370395E+16
Volume
2.2672999759432E+24
Surface area
8.34622548158E+16
Circumference
512058987.40414
Perimeter
325986876
Area
6641715207764961
Diagonal
115253765.29871
Surface area
39850291246589766
Volume
5.4127799796525E+23
Space diagonal
141156457.95816
Perimeter
244490157
Area
2.8759470473129E+15
Altitude
70578228.979082
Surface area
2.8759470473129E+15
Volume
6.3790223811384E+22
Height
38417921.766236