81103437 is an odd 8-digits composite number following 81103436
and preceding 81103438 . In scientific notation, it is written as 8.1103437 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 14 positive divisors.
There are 54068472 positive integers (up to 81103437) that are relatively prime to 81103437.
81103437 has 14 divisors, whose sum is 121600622
The reverse of 81103437 is 73430118
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
eighty-one million one hundred three thousand four hundred thirty-seven
Scientific notation
8.1103437 × 10^7
Engineering notation
8.1103437 × 10^6
Prime Factorization
3 × 9 × 9 × 3 × 111253
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
3003831
Product of the distinct prime numbers
The prime factorization of 81103437 is 3 × 9 × 9 × 3 × 111253.
Since it has a total of 5 prime factors.
3 , 8 , 55 , 74 , 667 , 784 , 3605 , 3680 , 11715 , 20163 , 410761 , 677955 , 3492644 , 8334582 , 56965354 , 46388353 , 441388652 , 91073744 , 1053323541 , 5367123493
n×2
162206874
n×3
243310311
n×4
324413748
n×5
405517185
n÷2
40551718.5
n÷3
27034479
n÷3
20275859.25
n÷5
16220687.4
n2
6577767493212969
n3
5.3347955148645E+23
n4
4.3267025194769E+31
n5
3.5091044520614E+39
2 √n
9005.7446666003
3 √n
432.85896802065
4 √n
94.898602026586
5 √n
38.177532174023
1 , 3 , 9 , 27 , 81 , 243 , 729 , 111253 , 333759 , 1001277 , 3003831 , 9011493 , 27034479 , 81103437
14 divisors
τ
Total Divisors
14
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81103436
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.071428571428571
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
14
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81103437 can be divided by 14 positive divisors.
The sum of these divisors (counting 81103437) is 1, the average is 0.071428571428571.
Base
System
Value
2
Binary
100110101011000101001001101
3
Ternary
12122121111000000
4
Quaternary
10311120221031
5
Quinary
131230302222
6
Senary
12014154513
8
Octal
465305115
10
Decimal
81103437
12
Duodecimal
231b2a39
16
Hexadecimal
4d58a4d
20
Vigesimal
156hibh
36
Base36
1cabt9
md5
c7f6937d26030cad83e876f335458f96
sha1
727dabe883a7efba8a14301913851bbff8008743
sha256
fec38695b5cf53e3a618f8910e8ed4f28910941b3b687d0793a0f0f7e7607215
sha512
427fdd6fb4baf47e15115ce02df94bc7a6b2bcf3adc455bb094e130d4874afa23b7e9942012586ed5762c4b444605c3ae6431f5cdbea3b3c277bc7e61a880411
ripemd-160
1c5c33ad5a91e3cdc52c44fd719063a4fce21b4c
Diameter
162206874
Circumference
509587923.72017
Area
2.06646660337E+16
Volume
2.2346339197203E+24
Surface area
8.2658664134798E+16
Circumference
509587923.72017
Perimeter
324413748
Area
6577767493212969
Diagonal
114697580.56047
Surface area
39466604959277814
Volume
5.3347955148645E+23
Space diagonal
140475273.55246
Perimeter
243310311
Area
2.848256874655E+15
Altitude
70237636.776231
Surface area
2.848256874655E+15
Volume
6.2871168080071E+22
Height
38232526.853491