81497834 is an even 8-digits composite number following 81497833
and preceding 81497835 . In scientific notation, it is written as 8.1497834 × 10^7.
The sum of its digits is 44. It has a total of 5 prime factors and 32 positive divisors.
There are 36192640 positive integers (up to 81497834) that are relatively prime to 81497834.
81497834 has 32 divisors, whose sum is 136468800
The reverse of 81497834 is 43879418
Previous prime number is 107
Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8
Name
eighty-one million four hundred ninety-seven thousand eight hundred thirty-four
Scientific notation
8.1497834 × 10^7
Engineering notation
8.1497834 × 10^6
Prime Factorization
2 × 11 × 89 × 107 × 389
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
81497834
Product of the distinct prime numbers
The prime factorization of 81497834 is 2 × 11 × 89 × 107 × 389.
Since it has a total of 5 prime factors.
10 , 10 , 86 , 21 , 722 , 653 , 8769 , 5508 , 95788 , 71217 , 235508 , 508664 , 6205562 , 7215244 , 27942100 , 90936717 , 625823532 , 760206507 , 2670274869 , 1269895341
n×2
162995668
n×3
244493502
n×4
325991336
n×5
407489170
n÷2
40748917
n÷3
27165944.666667
n÷3
20374458.5
n÷5
16299566.8
n2
6641896946691556
n3
5.4130021480658E+23
n4
4.4114795050471E+31
n5
3.5952602439673E+39
2 √n
9027.615078192
3 √n
433.55948208805
4 √n
95.013762572545
5 √n
38.214590778366
1 , 2 , 11 , 22 , 89 , 107 , 178 , 214 , 389 , 778 , 979 , 1177 , 1958 , 2354 , 4279 , 8558 , 9523 , 19046 , 34621 , 41623 , 69242 , 83246 , 104753 , 209506 , 380831 , 457853 , 761662 , 915706 , 3704447 , 7408894 , 40748917 , 81497834
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81497833
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81497834 can be divided by 32 positive divisors.
The sum of these divisors (counting 81497834) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100110110111000111011101010
3
Ternary
12200100112000022
4
Quaternary
10312320323222
5
Quinary
131330412314
6
Senary
12030440442
8
Octal
466707352
10
Decimal
81497834
12
Duodecimal
23363122
16
Hexadecimal
4db8eea
20
Vigesimal
15974be
36
Base36
1cis4q
md5
d0a6c49e3fd8fa30a28ada4cd34662c7
sha1
6eda404cbb6150f002a425283ba6756ba99d7c4e
sha256
2624b89c22d28f558fc8ddefba550b38e3993968894ca113573983e1f583bfcd
sha512
bc8765a330ea8bd4e5d743d40ad9a4720f38d9f2cbc2e04294b7fa6bde03b93e040c20d3c451d1f696b43dda16e519c8c89e72faa206cf09b1eddf933a04370d
ripemd-160
0b474b5c09d006d3e0e5a2f183b34a82938b3f5a
Diameter
162995668
Circumference
512065993.15576
Area
2.0866134653627E+16
Volume
2.2673930376306E+24
Surface area
8.3464538614507E+16
Circumference
512065993.15576
Perimeter
325991336
Area
6641896946691556
Diagonal
115255342.14683
Surface area
39851381680149336
Volume
5.4130021480658E+23
Space diagonal
141158389.19481
Perimeter
244493502
Area
2.8760257425766E+15
Altitude
70579194.597407
Surface area
2.8760257425766E+15
Volume
6.3792842091244E+22
Height
38418447.382277