81252983 is an odd 8-digits composite number following 81252982
and preceding 81252984 . In scientific notation, it is written as 8.1252983 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 67243680 positive integers (up to 81252983) that are relatively prime to 81252983.
81252983 has 8 divisors, whose sum is 96062880
The reverse of 81252983 is 38925218
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
eighty-one million two hundred fifty-two thousand nine hundred eighty-three
Scientific notation
8.1252983 × 10^7
Engineering notation
8.1252983 × 10^6
Prime Factorization
7 × 29 × 400261
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81252983
Product of the distinct prime numbers
The prime factorization of 81252983 is 7 × 29 × 400261.
Since it has a total of 3 prime factors.
9 , 7 , 90 , 9 , 670 , 859 , 2709 , 5623 , 27919 , 78681 , 595295 , 207201 , 7720605 , 2621850 , 91827276 , 78216441 , 206360501 , 548715846 , 307197802 , 5106447659
n×2
162505966
n×3
243758949
n×4
325011932
n×5
406264915
n÷2
40626491.5
n÷3
27084327.666667
n÷3
20313245.75
n÷5
16250596.6
n2
6602047246398289
n3
5.364360326768E+23
n4
4.3587027843675E+31
n5
3.5415760324027E+39
2 √n
9014.0436542098
3 √n
433.12485310046
4 √n
94.942317510211
5 √n
38.191600852636
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81252982
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81252983 can be divided by 8 positive divisors.
The sum of these divisors (counting 81252983) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110101111101001001110111
3
Ternary
12122220002010202
4
Quaternary
10311331021313
5
Quinary
131300043413
6
Senary
12021311115
8
Octal
465751167
10
Decimal
81252983
12
Duodecimal
2326549b
16
Hexadecimal
4d7d277
20
Vigesimal
157gc93
36
Base36
1cdj7b
md5
bec1615235c790e3e6fb4dbd789d9134
sha1
19fa39cc945fb57b398f4274b121456c1cb9377e
sha256
1789f94d8571476af1c19ebe9a965bfa822428f8ad3a7fb90e110967735e5e42
sha512
73591646faaac6acb6927d9eda7886908480e7d823b9dd4b2c11f393fecedeb4718758d403ac7017762d54334bdcff062fd11c6d1d82cbc70d22c75961b7bdf5
ripemd-160
7a327f82bbba382110c90c01ff57fe3196efbb3e
Diameter
162505966
Circumference
510527548.95011
Area
2.0740943127938E+16
Volume
2.247017999171E+24
Surface area
8.296377251175E+16
Circumference
510527548.95011
Perimeter
325011932
Area
6602047246398289
Diagonal
114909070.54187
Surface area
39612283478389734
Volume
5.364360326768E+23
Space diagonal
140734294.82253
Perimeter
243758949
Area
2.858770316183E+15
Altitude
70367147.411265
Surface area
2.858770316183E+15
Volume
6.3219592729762E+22
Height
38303023.513957