81716900 is an even 8-digits composite number following 81716899
and preceding 81716901 . In scientific notation, it is written as 8.1716900 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors.
There are 32686720 positive integers (up to 81716900) that are relatively prime to 81716900.
81716900 has 12 divisors, whose sum is 148724940
The reverse of 81716900 is 00961718
Previous prime number is 25
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
eighty-one million seven hundred sixteen thousand nine hundred
Scientific notation
8.1716900 × 10^7
Engineering notation
8.1716900 × 10^6
Prime Factorization
2 × 2 × 25 × 817169
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
40858450
Product of the distinct prime numbers
The prime factorization of 81716900 is 2 × 2 × 25 × 817169.
Since it has a total of 4 prime factors.
6 , 7 , 85 , 95 , 900 , 390 , 7212 , 9707 , 30966 , 97656 , 282302 , 230992 , 6205463 , 9628244 , 35995551 , 64841029 , 199515747 , 107110347 , 8554518133 , 6538941536
n×2
163433800
n×3
245150700
n×4
326867600
n×5
408584500
n÷2
40858450
n÷3
27238966.666667
n÷3
20429225
n÷5
16343380
n2
6677651745610000
n3
5.4567699993084E+23
n4
4.4591032835648E+31
n5
3.6438409711274E+39
2 √n
9039.74004051
3 √n
433.94760351966
4 √n
95.077547509967
5 √n
38.235112872204
1 , 2 , 4 , 25 , 50 , 100 , 817169 , 1634338 , 3268676 , 20429225 , 40858450 , 81716900
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
-81716899
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 81716900 can be divided by 12 positive divisors.
The sum of these divisors (counting 81716900) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110111101110011010100100
3
Ternary
12200202122111212
4
Quaternary
10313232122210
5
Quinary
131404420100
6
Senary
12035250552
8
Octal
467563244
10
Decimal
81716900
12
Duodecimal
23449a58
16
Hexadecimal
4dee6a4
20
Vigesimal
15aec50
36
Base36
1cnh5w
md5
6e8486c56fdc3f8f8538949fa82e5de7
sha1
a847ba04ed0e49403a7fc55bc75e922e5c251653
sha256
52b6023336080fda0030a158abca999202ab2c20b6494cffa8b8e1efd62ac1cc
sha512
fb1de8f41a2092ee5d99e51c1a8d11822501175cb33b0d3d63972eb3c00fdec6000a24855d8f629b6267422a8725281ea4e1835e8b2a94a8cad1788337d36674
ripemd-160
9784d1ab2ec5bb92c6071bc1305375998543b45a
Diameter
163433800
Circumference
513442425.42826
Area
2.0978461667239E+16
Volume
2.2857264722875E+24
Surface area
8.3913846668958E+16
Circumference
513442425.42826
Perimeter
326867600
Area
6677651745610000
Diagonal
115565148.25509
Surface area
40065910473660000
Volume
5.4567699993084E+23
Space diagonal
141537822.63703
Perimeter
245150700
Area
2.8915080246619E+15
Altitude
70768911.318513
Surface area
2.8915080246619E+15
Volume
6.4308651164771E+22
Height
38521716.085029