81373973 is an odd 8-digits prime number following 81373972
and preceding 81373974 . In scientific notation, it is written as 8.1373973 × 10^7.
The sum of its digits is 41. It has a total of 1 prime factors and 2 positive divisors.
There are 81373972 positive integers (up to 81373973) that are relatively prime to 81373973.
81373973 has 2 divisors, whose sum is 81373974
The reverse of 81373973 is 37937318
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
eighty-one million three hundred seventy-three thousand nine hundred seventy-three
Scientific notation
8.1373973 × 10^7
Engineering notation
8.1373973 × 10^6
Prime Factorization
81373973
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
81373973
Product of the distinct prime numbers
The prime factorization of 81373973 is 81373973.
Since it has a total of 1 prime factors.
10 , 7 , 94 , 71 , 321 , 431 , 8749 , 8729 , 29190 , 38241 , 448379 , 890858 , 7987817 , 8487030 , 40586905 , 87562144 , 476544592 , 382437476 , 1076314533 , 3679799463
n×2
162747946
n×3
244121919
n×4
325495892
n×5
406869865
n÷2
40686986.5
n÷3
27124657.666667
n÷3
20343493.25
n÷5
16274794.6
n2
6621723481804729
n3
5.3883594782184E+23
n4
4.3847221869484E+31
n5
3.5680226485324E+39
2 √n
9020.7523522154
3 √n
433.33972843948
4 √n
94.977641327922
5 √n
38.202967947911
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
81373974
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
40686987
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
9020.7524076432
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999754221
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81373973 can be divided by 2 positive divisors.
The sum of these divisors (counting 81373973) is 81373974, the average is 40686987.
Base
System
Value
2
Binary
100110110011010101100010101
3
Ternary
12200010020002212
4
Quaternary
10312122230111
5
Quinary
131312431343
6
Senary
12024043205
8
Octal
466325425
10
Decimal
81373973
12
Duodecimal
23303505
16
Hexadecimal
4d9ab15
20
Vigesimal
158beid
36
Base36
1cg4k5
md5
0bae1ff530eda3fa4d253e988a2136e7
sha1
b0a62d65db06f0830e16165ba3de203b58ce9a55
sha256
9abb4c3e55606cee27dbac1f0980b137c304715a5626f69dea6a089ade305d06
sha512
a5a8e5377ef7b6fb3daf87d8f13dd93ac28040ac0dc9ace1dbc5351b64fc1e3d969dbdcd1879079753d6ec4ec4f8bc2f21e4504fd6b50bcbe5b1154f60d64d8b
ripemd-160
83028c5ea5b73adff43d6e3df4fdde1a8c2da363
Diameter
162747946
Circumference
511287751.54043
Area
2.0802757844541E+16
Volume
2.2570707402229E+24
Surface area
8.3211031378163E+16
Circumference
511287751.54043
Perimeter
325495892
Area
6621723481804729
Diagonal
115080176.24078
Surface area
39730340890828374
Volume
5.3883594782184E+23
Space diagonal
140943855.64974
Perimeter
244121919
Area
2.8672903760394E+15
Altitude
70471927.824869
Surface area
2.8672903760394E+15
Volume
6.3502425441984E+22
Height
38360058.746927