81492634 is an even 8-digits composite number following 81492633
and preceding 81492635 . In scientific notation, it is written as 8.1492634 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 36923040 positive integers (up to 81492634) that are relatively prime to 81492634.
81492634 has 16 divisors, whose sum is 134268480
The reverse of 81492634 is 43629418
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
eighty-one million four hundred ninety-two thousand six hundred thirty-four
Scientific notation
8.1492634 × 10^7
Engineering notation
8.1492634 × 10^6
Prime Factorization
2 × 23 × 19 × 93241
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81492634
Product of the distinct prime numbers
The prime factorization of 81492634 is 2 × 23 × 19 × 93241.
Since it has a total of 4 prime factors.
1 , 9 , 28 , 13 , 19 , 782 , 6643 , 3706 , 13085 , 42535 , 617928 , 678525 , 4759794 , 8964319 , 76660769 , 37588502 , 610822936 , 563690009 , 2756611340 , 7429240522
n×2
162985268
n×3
244477902
n×4
325970536
n×5
407463170
n÷2
40746317
n÷3
27164211.333333
n÷3
20373158.5
n÷5
16298526.8
n2
6641049396257956
n3
5.4119660782517E+23
n4
4.4103537083538E+31
n5
3.5941134056542E+39
2 √n
9027.3270684073
3 √n
433.5502607499
4 √n
95.012246939052
5 √n
38.214103106647
1 , 2 , 19 , 23 , 38 , 46 , 437 , 874 , 93241 , 186482 , 1771579 , 2144543 , 3543158 , 4289086 , 40746317 , 81492634
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
-81492633
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 81492634 can be divided by 16 positive divisors.
The sum of these divisors (counting 81492634) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110110110111101010011010
3
Ternary
12200100020212201
4
Quaternary
10312313222122
5
Quinary
131330231014
6
Senary
12030400414
8
Octal
466675232
10
Decimal
81492634
12
Duodecimal
2336010a
16
Hexadecimal
4db7a9a
20
Vigesimal
1596bbe
36
Base36
1cio4a
md5
b86eb500c754dc5e223d72eba9d8ba89
sha1
0346846b51d2d0cd464d5546c46372df7f50fbde
sha256
5d1ed4ae9347127dbe0947dc70ba273d96408b62f928e52dfb87abde728e1807
sha512
dca95c3175e4364ed47989b4ee8da212017291a7917418bfe44e24ef065665b3ead48fa545631dff0a4fff2efd8a35343be8cca562b3626b6993334c157e070b
ripemd-160
0c7180535fa7ecc7c87cf9cd8444744a4261befc
Diameter
162985268
Circumference
512033320.59216
Area
2.0863471995411E+16
Volume
2.2669590497217E+24
Surface area
8.3453887981644E+16
Circumference
512033320.59216
Perimeter
325970536
Area
6641049396257956
Diagonal
115247988.23631
Surface area
39846296377547736
Volume
5.4119660782517E+23
Space diagonal
141149382.53061
Perimeter
244477902
Area
2.8756587424733E+15
Altitude
70574691.265307
Surface area
2.8756587424733E+15
Volume
6.3780631891389E+22
Height
38415996.078769