61784985 is an odd 8-digits composite number following 61784984
and preceding 61784986 . In scientific notation, it is written as 6.1784985 × 10^7.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 32880960 positive integers (up to 61784985) that are relatively prime to 61784985.
61784985 has 16 divisors, whose sum is 99069120
The reverse of 61784985 is 58948716
Previous prime number is 491
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
sixty-one million seven hundred eighty-four thousand nine hundred eighty-five
Scientific notation
6.1784985 × 10^7
Engineering notation
6.1784985 × 10^6
Prime Factorization
3 × 5 × 491 × 8389
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
61784985
Product of the distinct prime numbers
The prime factorization of 61784985 is 3 × 5 × 491 × 8389.
Since it has a total of 4 prime factors.
2 , 1 , 76 , 98 , 362 , 401 , 4085 , 7880 , 6113 , 23331 , 401645 , 444723 , 3494289 , 1173249 , 37803435 , 86728683 , 414220595 , 685691459 , 8225579564 , 3128409039
n×2
123569970
n×3
185354955
n×4
247139940
n×5
308924925
n÷2
30892492.5
n÷3
20594995
n÷3
15446246.25
n÷5
12356997
n2
3817384371450225
n3
2.3585703612929E+23
n4
1.4572423439392E+31
n5
9.0035696361651E+38
2 √n
7860.3425497875
3 √n
395.3311009021
4 √n
88.658572906333
5 √n
36.155684591344
1 , 3 , 5 , 15 , 491 , 1473 , 2455 , 7365 , 8389 , 25167 , 41945 , 125835 , 4118999 , 12356997 , 20594995 , 61784985
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-61784984
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 61784985 can be divided by 16 positive divisors.
The sum of these divisors (counting 61784985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11101011101100001110011001
3
Ternary
11022021000001210
4
Quaternary
3223230032121
5
Quinary
111304104420
6
Senary
10044133333
8
Octal
353541631
10
Decimal
61784985
12
Duodecimal
18837249
16
Hexadecimal
3aec399
20
Vigesimal
j63295
36
Base36
10s9ll
md5
af2409353c6742c8e62a2ecc4f667f71
sha1
bb1a889668088886b1f7e7b21faa36eba6b16469
sha256
19fcbef10dff9544db82e53f2f243b97e3a32d99938e61a3c09de4e4e3f210f5
sha512
aa552a473d2abda1b1e79eff7b7f64895c75c30c98ae337c8b7ba53b17b4d24a8be39bbaaae729dd90565e8265f1448878adcdd64c64241e808b1058c6b3b544
ripemd-160
749431a8763ad7294a1886243dc932e41a247138
Diameter
123569970
Circumference
388206509.95631
Area
1.1992666697277E+16
Volume
9.8795564266831E+23
Surface area
4.7970666789106E+16
Circumference
388206509.95631
Perimeter
247139940
Area
3817384371450225
Diagonal
87377163.738018
Surface area
22904306228701350
Volume
2.3585703612929E+23
Space diagonal
107014733.16488
Perimeter
185354955
Area
1.6529759208428E+15
Altitude
53507366.58244
Surface area
1.6529759208428E+15
Volume
2.779601827293E+22
Height
29125721.246006