81738350 is an even 8-digits composite number following 81738349
and preceding 81738351 . In scientific notation, it is written as 8.1738350 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 12 positive divisors.
There are 32695320 positive integers (up to 81738350) that are relatively prime to 81738350.
81738350 has 12 divisors, whose sum is 152033424
The reverse of 81738350 is 05383718
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
eighty-one million seven hundred thirty-eight thousand three hundred fifty
Scientific notation
8.1738350 × 10^7
Engineering notation
8.1738350 × 10^6
Prime Factorization
2 × 5 × 5 × 1634767
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
16347670
Product of the distinct prime numbers
The prime factorization of 81738350 is 2 × 5 × 5 × 1634767.
Since it has a total of 4 prime factors.
10 , 10 , 20 , 73 , 823 , 145 , 28 , 8312 , 31301 , 54275 , 780510 , 854361 , 2170705 , 3255083 , 67324358 , 94232472 , 761800629 , 321513732 , 3266982557 , 9214218686
n×2
163476700
n×3
245215050
n×4
326953400
n×5
408691750
n÷2
40869175
n÷3
27246116.666667
n÷3
20434587.5
n÷5
16347670
n2
6681157860722500
n3
5.4610681962499E+23
n4
4.4637870359894E+31
n5
3.6486258707316E+39
2 √n
9040.9263905863
3 √n
433.9855693985
4 √n
95.083786160345
5 √n
38.237119940686
1 , 2 , 5 , 10 , 25 , 50 , 1634767 , 3269534 , 8173835 , 16347670 , 40869175 , 81738350
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81738349
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81738350 can be divided by 12 positive divisors.
The sum of these divisors (counting 81738350) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110111110011101001101110
3
Ternary
12200210201221022
4
Quaternary
10313303221232
5
Quinary
131411111400
6
Senary
12035534142
8
Octal
467635156
10
Decimal
81738350
12
Duodecimal
2345a352
16
Hexadecimal
4df3a6e
20
Vigesimal
15ah5ha
36
Base36
1cnxpq
md5
57d7f73cb3a96e59b0944c3b8e04ccda
sha1
a2b6fd4bcd63691d908eb7da691a2b7738d50265
sha256
a2f53dacfcbaa7a85aad32ee7903f61d72d5dd7bd787e2b1c648dc2725bccc53
sha512
af87d6380c22cea3721b21e5503b07523608f00bf9669bf93f060027cc70ed6cd5bceef77d88362aecf3d7753bbf12a7bfb47dc943af4486cf0a60759eb56f39
ripemd-160
5a7642a36963310c693b8ea22d72cba32c0513ad
Diameter
163476700
Circumference
513577199.7531
Area
2.098947645272E+16
Volume
2.2875268968122E+24
Surface area
8.3957905810878E+16
Circumference
513577199.7531
Perimeter
326953400
Area
6681157860722500
Diagonal
115595483.136
Surface area
40086947164335000
Volume
5.4610681962499E+23
Space diagonal
141574975.12685
Perimeter
245215050
Area
2.8930262170399E+15
Altitude
70787487.563424
Surface area
2.8930262170399E+15
Volume
6.4359305901508E+22
Height
38531827.712