81449596 is an even 8-digits composite number following 81449595
and preceding 81449597 . In scientific notation, it is written as 8.1449596 × 10^7.
The sum of its digits is 46. It has a total of 5 prime factors and 24 positive divisors.
There are 39878784 positive integers (up to 81449596) that are relatively prime to 81449596.
81449596 has 24 divisors, whose sum is 145530000
The reverse of 81449596 is 69594418
Previous prime number is 89
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
eighty-one million four hundred forty-nine thousand five hundred ninety-six
Scientific notation
8.1449596 × 10^7
Engineering notation
8.1449596 × 10^6
Prime Factorization
2 × 2 × 109 × 89 × 2099
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
40724798
Product of the distinct prime numbers
The prime factorization of 81449596 is 2 × 2 × 109 × 89 × 2099.
Since it has a total of 5 prime factors.
4 , 5 , 72 , 65 , 495 , 690 , 6420 , 6754 , 72794 , 11469 , 554066 , 400934 , 4450873 , 1894754 , 28437047 , 70045113 , 354503369 , 99587212 , 6157016114 , 2798618303
n×2
162899192
n×3
244348788
n×4
325798384
n×5
407247980
n÷2
40724798
n÷3
27149865.333333
n÷3
20362399
n÷5
16289919.2
n2
6634036688563216
n3
5.4033960813265E+23
n4
4.4010442785203E+31
n5
3.5846327846359E+39
2 √n
9024.9429915097
3 √n
433.47392492692
4 √n
94.99969995484
5 √n
38.210065916951
1 , 2 , 4 , 89 , 109 , 178 , 218 , 356 , 436 , 2099 , 4198 , 8396 , 9701 , 19402 , 38804 , 186811 , 228791 , 373622 , 457582 , 747244 , 915164 , 20362399 , 40724798 , 81449596
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81449595
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81449596 can be divided by 24 positive divisors.
The sum of these divisors (counting 81449596) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110110101101001001111100
3
Ternary
12200021001211201
4
Quaternary
10312231021330
5
Quinary
131322341341
6
Senary
12025425244
8
Octal
466551174
10
Decimal
81449596
12
Duodecimal
2333b224
16
Hexadecimal
4dad27c
20
Vigesimal
15913jg
36
Base36
1chqws
md5
4cb049f2a12d4206b52263a4e9db6484
sha1
f4f542cd62400ab71752d6861b974fad867a9866
sha256
124325ba0ca947f27f53175dcca7102c5f3c3eebc27c54b84908f4d2cc07626b
sha512
75cdec184d4c73944df03ec6fe705149254175eccfb6859df5bb62553a98575de8768d4686aad2f47ca85529bcd4d74f060ece526a3591594626a455729bfd21
ripemd-160
eb2773f83a45f8d86bfcb24e4ccb0bf614915875
Diameter
162899192
Circumference
511762904.86291
Area
2.0841440924435E+16
Volume
2.2633692578042E+24
Surface area
8.3365763697741E+16
Circumference
511762904.86291
Perimeter
325798384
Area
6634036688563216
Diagonal
115187123.31301
Surface area
39804220131379296
Volume
5.4033960813265E+23
Space diagonal
141074838.52796
Perimeter
244348788
Area
2.8726221509669E+15
Altitude
70537419.263979
Surface area
2.8726221509669E+15
Volume
6.3679633509047E+22
Height
38395707.771003