81192010 is an even 8-digits composite number following 81192009
and preceding 81192011 . In scientific notation, it is written as 8.1192010 × 10^7.
The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors.
There are 32476800 positive integers (up to 81192010) that are relatively prime to 81192010.
81192010 has 8 divisors, whose sum is 146145636
The reverse of 81192010 is 01029118
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
eighty-one million one hundred ninety-two thousand ten
Scientific notation
8.1192010 × 10^7
Engineering notation
8.1192010 × 10^6
Prime Factorization
2 × 5 × 8119201
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81192010
Product of the distinct prime numbers
The prime factorization of 81192010 is 2 × 5 × 8119201.
Since it has a total of 3 prime factors.
1 , 7 , 77 , 68 , 736 , 514 , 2359 , 7579 , 24353 , 91884 , 211283 , 806003 , 9661384 , 7603316 , 33015873 , 17542609 , 425581795 , 198663121 , 1681374010 , 7549959524
n×2
162384020
n×3
243576030
n×4
324768040
n×5
405960050
n÷2
40596005
n÷3
27064003.333333
n÷3
20298002.5
n÷5
16238402
n2
6592142487840100
n3
5.3522929879414E+23
n4
4.3456342579987E+31
n5
3.5283078013177E+39
2 √n
9010.6609080577
3 √n
433.01648567286
4 √n
94.924501094595
5 √n
38.185867264314
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
-81192009
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 81192010 can be divided by 8 positive divisors.
The sum of these divisors (counting 81192010) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110101101110010001001010
3
Ternary
12122202222111111
4
Quaternary
10311232101022
5
Quinary
131241121020
6
Senary
12020120534
8
Octal
465562112
10
Decimal
81192010
12
Duodecimal
2323614a
16
Hexadecimal
4d6e44a
20
Vigesimal
157900a
36
Base36
1cc85m
md5
b45ff59469d2bd6bfc4e0d17aef9ec6d
sha1
236ba6a158b3372f98362bdf71799a4fd17a0ef7
sha256
988caad35954c7455de5fc3e4afefea717632b178a99e5108c353ce60862b40e
sha512
cf853623b2872c44d2a26dd859efd2250f2b52d509764df274bcc37ec1d8f7a08e2a0a0ba25d9aaaa89489d7dc1a343a06c24c274d32f21a6627b494d881e3b1
ripemd-160
aaaffd95b73e2ca7f3dffecc6da30c86f89aa66c
Diameter
162384020
Circumference
510144444.29238
Area
2.0709826411216E+16
Volume
2.2419632441036E+24
Surface area
8.2839305644862E+16
Circumference
510144444.29238
Perimeter
324768040
Area
6592142487840100
Diagonal
114822841.69833
Surface area
39552854927040600
Volume
5.3522929879414E+23
Space diagonal
140628686.48864
Perimeter
243576030
Area
2.8544814299181E+15
Altitude
70314343.24432
Surface area
2.8544814299181E+15
Volume
6.3077377777843E+22
Height
38274280.566111