81103470 is an even 8-digits composite number following 81103469
and preceding 81103471 . In scientific notation, it is written as 8.1103470 × 10^7.
The sum of its digits is 24. It has a total of 5 prime factors and 32 positive divisors.
There are 18385920 positive integers (up to 81103470) that are relatively prime to 81103470.
81103470 has 32 divisors, whose sum is 149520384
The reverse of 81103470 is 07430118
Previous prime number is 127
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
eighty-one million one hundred three thousand four hundred seventy
Scientific notation
8.1103470 × 10^7
Engineering notation
8.1103470 × 10^6
Prime Factorization
2 × 15 × 7 × 127 × 3041
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
81103470
Product of the distinct prime numbers
The prime factorization of 81103470 is 2 × 15 × 7 × 127 × 3041.
Since it has a total of 5 prime factors.
2 , 2 , 53 , 91 , 879 , 866 , 1224 , 7490 , 1297 , 63704 , 886554 , 854853 , 8502242 , 7237083 , 92656948 , 85672053 , 497162061 , 313253547 , 4457667028 , 5291971681
n×2
162206940
n×3
243310410
n×4
324413880
n×5
405517350
n÷2
40551735
n÷3
27034490
n÷3
20275867.5
n÷5
16220694
n2
6577772846040900
n3
5.3348020268569E+23
n4
4.3267095614113E+31
n5
3.5091115911263E+39
2 √n
9005.746498764
3 √n
432.85902672899
4 √n
94.898611679855
5 √n
38.177535280817
1 , 2 , 7 , 14 , 15 , 30 , 105 , 127 , 210 , 254 , 889 , 1778 , 1905 , 3041 , 3810 , 6082 , 13335 , 21287 , 26670 , 42574 , 45615 , 91230 , 319305 , 386207 , 638610 , 772414 , 2703449 , 5406898 , 5793105 , 11586210 , 40551735 , 81103470
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81103469
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81103470 can be divided by 32 positive divisors.
The sum of these divisors (counting 81103470) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100110101011000101001101110
3
Ternary
12122121111001020
4
Quaternary
10311120221232
5
Quinary
131230302340
6
Senary
12014155010
8
Octal
465305156
10
Decimal
81103470
12
Duodecimal
231b2a66
16
Hexadecimal
4d58a6e
20
Vigesimal
156hida
36
Base36
1cabu6
md5
c3cfbbeeed7e0d0bbe198e6e20b12f65
sha1
9fe9445a2b0c014cbfbc51e117668e2d74381f8e
sha256
691283f21c587f15ec2745e8160ed63b4ca354b8f96dfa60dc7fbb15decdcb9b
sha512
757a579a35fb3487f4e71744d1508c49f4d4504c5621fd1d063154ebf16925566ba71446a0a0ec08d6fc8541174a054fae32450de0c11d737e506daa87295cab
ripemd-160
d89a64bf5ac3fb6dd2c50f95ccc14455c847f872
Diameter
162206940
Circumference
509588131.06528
Area
2.0664682850105E+16
Volume
2.2346366474573E+24
Surface area
8.2658731400418E+16
Circumference
509588131.06528
Perimeter
324413880
Area
6577772846040900
Diagonal
114697627.22952
Surface area
39466637076245400
Volume
5.3348020268569E+23
Space diagonal
140475330.71014
Perimeter
243310410
Area
2.8482591924974E+15
Altitude
70237665.355069
Surface area
2.8482591924974E+15
Volume
6.2871244824638E+22
Height
38232542.40984