81199009 is an odd 8-digits prime number following 81199008
and preceding 81199010 . In scientific notation, it is written as 8.1199009 × 10^7.
The sum of its digits is 37. It has a total of 1 prime factors and 2 positive divisors.
There are 81199008 positive integers (up to 81199009) that are relatively prime to 81199009.
81199009 has 2 divisors, whose sum is 81199010
The reverse of 81199009 is 90099118
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 one hundred ninety-nine thousand nine
Scientific notation
8.1199009 × 10^7
Engineering notation
8.1199009 × 10^6
Prime Factorization
81199009
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
81199009
Product of the distinct prime numbers
The prime factorization of 81199009 is 81199009.
Since it has a total of 1 prime factors.
3 , 1 , 85 , 83 , 790 , 363 , 9853 , 6469 , 83239 , 62109 , 424313 , 328309 , 5738266 , 1331327 , 17993006 , 3521416 , 556916464 , 436396972 , 2235349873 , 8779973765
n×2
162398018
n×3
243597027
n×4
324796036
n×5
405995045
n÷2
40599504.5
n÷3
27066336.333333
n÷3
20299752.25
n÷5
16239801.8
n2
6593279062582081
n3
5.3536772594211E+23
n4
4.3471328797083E+31
n5
3.5298288182363E+39
2 √n
9011.0492729759
3 √n
433.02892776457
4 √n
94.926546724169
5 √n
38.186525589364
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
81199010
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
40599505
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
9011.0493284634
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999753692
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81199009 can be divided by 2 positive divisors.
The sum of these divisors (counting 81199009) is 81199010, the average is 40599505.
Base
System
Value
2
Binary
100110101101111111110100001
3
Ternary
12122210100002201
4
Quaternary
10311233332201
5
Quinary
131241332014
6
Senary
12020213201
8
Octal
465577641
10
Decimal
81199009
12
Duodecimal
2323a201
16
Hexadecimal
4d6ffa1
20
Vigesimal
1579ha9
36
Base36
1ccdk1
md5
57287075b5ee0eac2dd516da1623a6ee
sha1
5dd6fdfa92f6d0559f5da779f0860ae7590e0c06
sha256
d46c37987d96b6e574fdbc4bf3f68f5d0e93bd94c1ae364ee4bce98b54a46bbc
sha512
5bb5d5c3929bdfae50eca9d794adc782fd31248902083f68f718f3f380de071243455923ce5a46db66d97379780437351ea766655912e6e5c06529a158b11e1c
ripemd-160
1a3b0bd36f9125637b0b0520f5444ba6a3748891
Diameter
162398018
Circumference
510188420.30634
Area
2.0713397066075E+16
Volume
2.2425430863851E+24
Surface area
8.2853588264301E+16
Circumference
510188420.30634
Perimeter
324796036
Area
6593279062582081
Diagonal
114832739.77906
Surface area
39559674375492486
Volume
5.3536772594211E+23
Space diagonal
140640809.11224
Perimeter
243597027
Area
2.8549735812181E+15
Altitude
70320404.556121
Surface area
2.8549735812181E+15
Volume
6.3093691573682E+22
Height
38277579.926352