81784103 is an odd 8-digits composite number following 81784102
and preceding 81784104 . In scientific notation, it is written as 8.1784103 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 80443320 positive integers (up to 81784103) that are relatively prime to 81784103.
81784103 has 4 divisors, whose sum is 83124888
The reverse of 81784103 is 30148718
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
eighty-one million seven hundred eighty-four thousand one hundred three
Scientific notation
8.1784103 × 10^7
Engineering notation
8.1784103 × 10^6
Prime Factorization
61 × 1340723
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81784103
Product of the distinct prime numbers
The prime factorization of 81784103 is 61 × 1340723.
Since it has a total of 2 prime factors.
1 , 1 , 90 , 6 , 505 , 380 , 2552 , 8085 , 17736 , 65949 , 429255 , 393027 , 5909698 , 1127040 , 68729140 , 41052140 , 713732230 , 939170611 , 7955856101 , 8173615169
n×2
163568206
n×3
245352309
n×4
327136412
n×5
408920515
n÷2
40892051.5
n÷3
27261367.666667
n÷3
20446025.75
n÷5
16356820.6
n2
6688639503514609
n3
5.4702438208531E+23
n4
4.4737898407976E+31
n5
3.6588488914015E+39
2 √n
9043.4563635813
3 √n
434.0665286956
4 √n
95.097089143577
5 √n
38.241399624276
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81784102
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81784103 can be divided by 4 positive divisors.
The sum of these divisors (counting 81784103) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110111111110110100100111
3
Ternary
12200220001200212
4
Quaternary
10313332310213
5
Quinary
131414042403
6
Senary
12040530035
8
Octal
467766447
10
Decimal
81784103
12
Duodecimal
2348091b
16
Hexadecimal
4dfed27
20
Vigesimal
15b3053
36
Base36
1cox0n
md5
97cfff6fd2ba0134776103fa251d3253
sha1
1b3e4095506d30f4cd6bb430633e6fea86d20e79
sha256
972578e9b1859ff3450f31e1ba4e5f6b49acaf247656c68c14fbec30b78d724f
sha512
2e543faf45b452c6482001098f4c0892a01cc3616014986dbd270dd5e6bbe5b5bd36c067df7c2a3df9cf2b6e30c3b69df2eeb8765f0b276ba7e4e96e0e0f1095
ripemd-160
f3023b0b726e888ef6c61b7340ca18626b259916
Diameter
163568206
Circumference
513864674.33046
Area
2.1012980726752E+16
Volume
2.2913703734583E+24
Surface area
8.4051922907008E+16
Circumference
513864674.33046
Perimeter
327136412
Area
6688639503514609
Diagonal
115660187.64912
Surface area
40131837021087654
Volume
5.4702438208531E+23
Space diagonal
141654221.64745
Perimeter
245352309
Area
2.8962658633999E+15
Altitude
70827110.823723
Surface area
2.8962658633999E+15
Volume
6.4467441674484E+22
Height
38553395.883039