81437350 is an even 8-digits composite number following 81437349
and preceding 81437351 . In scientific notation, it is written as 8.1437350 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors.
There are 32574920 positive integers (up to 81437350) that are relatively prime to 81437350.
81437350 has 12 divisors, whose sum is 151473564
The reverse of 81437350 is 05373418
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
eighty-one million four hundred thirty-seven thousand three hundred fifty
Scientific notation
8.1437350 × 10^7
Engineering notation
8.1437350 × 10^6
Prime Factorization
2 × 5 × 5 × 1628747
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
16287470
Product of the distinct prime numbers
The prime factorization of 81437350 is 2 × 5 × 5 × 1628747.
Since it has a total of 4 prime factors.
3 , 4 , 76 , 45 , 602 , 541 , 5935 , 6937 , 3230 , 22263 , 417946 , 485422 , 1915973 , 2736422 , 40127936 , 98918330 , 547935539 , 971025928 , 7988644633 , 6110622445
n×2
162874700
n×3
244312050
n×4
325749400
n×5
407186750
n÷2
40718675
n÷3
27145783.333333
n÷3
20359337.5
n÷5
16287470
n2
6632041975022500
n3
5.400959235346E+23
n4
4.398398075846E+31
n5
3.58193883542E+39
2 √n
9024.2645129672
3 √n
433.45219947542
4 √n
94.996128936748
5 √n
38.208916866168
1 , 2 , 5 , 10 , 25 , 50 , 1628747 , 3257494 , 8143735 , 16287470 , 40718675 , 81437350
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81437349
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81437350 can be divided by 12 positive divisors.
The sum of these divisors (counting 81437350) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110110101010001010100110
3
Ternary
12200020110001011
4
Quaternary
10312222022212
5
Quinary
131321443400
6
Senary
12025252434
8
Octal
466521246
10
Decimal
81437350
12
Duodecimal
2333411a
16
Hexadecimal
4daa2a6
20
Vigesimal
158jd7a
36
Base36
1chhgm
md5
ac3ad7b3d91760503b195f6d6e1716b7
sha1
cd896af0321bfec3dd3d83bad5cc70a4aa6d1e19
sha256
12224be965caa71f3aa6c060cb0c06a77fb5a343b082186994c79aeeeda6745c
sha512
72cb441e2e94ce3572808f815ea01ec1bab72d016962bd896e7bbf695df8330f6fa88260daf772783de1f714d9e69627db33c1de4429d08973943e01954ad8bd
ripemd-160
4d0b3456e69c08009f2330396ee16e73195096ed
Diameter
162874700
Circumference
511685960.97564
Area
2.083517434703E+16
Volume
2.2623485141468E+24
Surface area
8.3340697388119E+16
Circumference
511685960.97564
Perimeter
325749400
Area
6632041975022500
Diagonal
115169804.85372
Surface area
39792251850135000
Volume
5.400959235346E+23
Space diagonal
141053627.83377
Perimeter
244312050
Area
2.8717584146671E+15
Altitude
70526813.916885
Surface area
2.8717584146671E+15
Volume
6.3650915003754E+22
Height
38389934.951242