81252973 is an odd 8-digits prime number following 81252972
and preceding 81252974 . In scientific notation, it is written as 8.1252973 × 10^7.
The sum of its digits is 37. It has a total of 1 prime factors and 2 positive divisors.
There are 81252972 positive integers (up to 81252973) that are relatively prime to 81252973.
81252973 has 2 divisors, whose sum is 81252974
The reverse of 81252973 is 37925218
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
eighty-one million two hundred fifty-two thousand nine hundred seventy-three
Scientific notation
8.1252973 × 10^7
Engineering notation
8.1252973 × 10^6
Prime Factorization
81252973
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
81252973
Product of the distinct prime numbers
The prime factorization of 81252973 is 81252973.
Since it has a total of 1 prime factors.
9 , 3 , 20 , 100 , 192 , 499 , 9529 , 1172 , 51682 , 91427 , 900904 , 276439 , 3749030 , 2168826 , 18360055 , 26917544 , 235445584 , 169342404 , 5770557778 , 4580498514
n×2
162505946
n×3
243758919
n×4
325011892
n×5
406264865
n÷2
40626486.5
n÷3
27084324.333333
n÷3
20313243.25
n÷5
16250594.6
n2
6602045621338729
n3
5.364358346154E+23
n4
4.3587006386238E+31
n5
3.5415738530518E+39
2 √n
9014.0430995198
3 √n
433.12483533189
4 √n
94.942314589016
5 √n
38.191599912569
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
81252974
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
40626487
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
9014.0431549888
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999753855
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81252973 can be divided by 2 positive divisors.
The sum of these divisors (counting 81252973) is 81252974, the average is 40626487.
Base
System
Value
2
Binary
100110101111101001001101101
3
Ternary
12122220002010101
4
Quaternary
10311331021231
5
Quinary
131300043343
6
Senary
12021311101
8
Octal
465751155
10
Decimal
81252973
12
Duodecimal
23265491
16
Hexadecimal
4d7d26d
20
Vigesimal
157gc8d
36
Base36
1cdj71
md5
5b82c9121d600217c5d1ac1cacce4f81
sha1
ac880d2b12698e080809451408c44d8e59eca41d
sha256
3797f6213a438c5f438ed80a87f5b879f10f6ec243de03ccd22cd9c03a19270c
sha512
0bcdd5340f7d8a791329b0d8e66ad5d12b50335d76b91b791250f13eabea07172c8d81e1fc1334be8a10d1ba6ecc143f1ce48f458e7c445a04e27cf57eaa381a
ripemd-160
7dc4f2d3ea1da9ea9e20ed8e6862b3e05e5ddad4
Diameter
162505946
Circumference
510527486.11826
Area
2.0740938022662E+16
Volume
2.2470171695334E+24
Surface area
8.296375209065E+16
Circumference
510527486.11826
Perimeter
325011892
Area
6602045621338729
Diagonal
114909056.39973
Surface area
39612273728032374
Volume
5.364358346154E+23
Space diagonal
140734277.50202
Perimeter
243758919
Area
2.8587696125116E+15
Altitude
70367138.751011
Surface area
2.8587696125116E+15
Volume
6.3219569388003E+22
Height
38303018.799912