81097811 is an odd 8-digits prime number following 81097810
and preceding 81097812 . In scientific notation, it is written as 8.1097811 × 10^7.
The sum of its digits is 35. It has a total of 1 prime factors and 2 positive divisors.
There are 81097810 positive integers (up to 81097811) that are relatively prime to 81097811.
81097811 has 2 divisors, whose sum is 81097812
The reverse of 81097811 is 11879018
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
eighty-one million ninety-seven thousand eight hundred eleven
Scientific notation
8.1097811 × 10^7
Engineering notation
8.1097811 × 10^6
Prime Factorization
81097811
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
81097811
Product of the distinct prime numbers
The prime factorization of 81097811 is 81097811.
Since it has a total of 1 prime factors.
2 , 3 , 17 , 19 , 713 , 840 , 19 , 801 , 76453 , 10330 , 730263 , 32480 , 4455036 , 8838511 , 94409530 , 44080549 , 417375114 , 179773414 , 1028417 , 6702152570
n×2
162195622
n×3
243293433
n×4
324391244
n×5
405489055
n÷2
40548905.5
n÷3
27032603.666667
n÷3
20274452.75
n÷5
16219562.2
n2
6576854948991721
n3
5.3336853962775E+23
n4
4.3255021020077E+31
n5
3.5078875194872E+39
2 √n
9005.4323050035
3 √n
432.84895890572
4 √n
94.896956247308
5 √n
38.177002497935
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
81097812
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
40548906
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
9005.4323605255
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999753384
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81097811 can be divided by 2 positive divisors.
The sum of these divisors (counting 81097811) is 81097812, the average is 40548906.
Base
System
Value
2
Binary
100110101010111010001010011
3
Ternary
12122121012021122
4
Quaternary
10311113101103
5
Quinary
131230112221
6
Senary
12014112455
8
Octal
465272123
10
Decimal
81097811
12
Duodecimal
231ab72b
16
Hexadecimal
4d57453
20
Vigesimal
156h4ab
36
Base36
1ca7gz
md5
7804441cf36cfa709d73f991b454e908
sha1
2b0db6de1409a7ec23e703c7a27226155e712ae1
sha256
4a394ab0450005b95c98b3d055e13f458dbc63cc689c1cfb82597e926617fd4b
sha512
d3aaa28ee20e7ee423d561048268cc20a8627dfb8a9cc1095c1d0cc8afdf5c85450feee4e8ff06d39748765b8f29508a2147534df093c294825c49e580d6d2a8
ripemd-160
e4d0e52266d47851ea8210992390ff52a9d7a942
Diameter
162195622
Circumference
509552574.51963
Area
2.0661799191478E+16
Volume
2.2341689143339E+24
Surface area
8.2647196765912E+16
Circumference
509552574.51963
Perimeter
324391244
Area
6576854948991721
Diagonal
114689624.19497
Surface area
39461129693950326
Volume
5.3336853962775E+23
Space diagonal
140465529.03462
Perimeter
243293433
Area
2.8478617314161E+15
Altitude
70232764.517309
Surface area
2.8478617314161E+15
Volume
6.2858085207057E+22
Height
38229874.731657