61809866 is an even 8-digits composite number following 61809865
and preceding 61809867 . In scientific notation, it is written as 6.1809866 × 10^7.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 30904932 positive integers (up to 61809866) that are relatively prime to 61809866.
61809866 has 4 divisors, whose sum is 92714802
The reverse of 61809866 is 66890816
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8
Name
sixty-one million eight hundred nine thousand eight hundred sixty-six
Scientific notation
6.1809866 × 10^7
Engineering notation
6.1809866 × 10^6
Prime Factorization
2 × 30904933
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
61809866
Product of the distinct prime numbers
The prime factorization of 61809866 is 2 × 30904933.
Since it has a total of 2 prime factors.
10 , 2 , 61 , 10 , 644 , 49 , 7970 , 9948 , 49483 , 23036 , 201169 , 250632 , 8703681 , 9534082 , 85084484 , 75540763 , 847563465 , 606101205 , 8571123958 , 7411323748
n×2
123619732
n×3
185429598
n×4
247239464
n×5
309049330
n÷2
30904933
n÷3
20603288.666667
n÷3
15452466.5
n÷5
12361973.2
n2
3820459534937956
n3
2.3614209191294E+23
n4
1.4595911058098E+31
n5
9.0217130664898E+38
2 √n
7861.9250823192
3 √n
395.38416078958
4 √n
88.667497327483
5 √n
36.158596123058
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
-61809865
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 61809866 can be divided by 4 positive divisors.
The sum of these divisors (counting 61809866) is 1, the average is 0.25.
Base
System
Value
2
Binary
11101011110010010011001010
3
Ternary
11022022021012022
4
Quaternary
3223302103022
5
Quinary
111310403431
6
Senary
10044444442
8
Octal
353622312
10
Decimal
61809866
12
Duodecimal
18849722
16
Hexadecimal
3af24ca
20
Vigesimal
j664d6
36
Base36
10sssq
md5
029f0f0aeb4aa2d801074ce7efb9e639
sha1
6d2055e3af250f0b9ae69351354a8569c0e2c13e
sha256
cebb1851d80b4a7084a5374bcd6e4b81ebf5c05f8ef059daad8799119f196464
sha512
97ea9488c7391a04e6f3581785f5239b1351d1c7b7eacf2d9b31cefaa3b76e3e525e1403a1d1c8f15cae76861e8de5c43306af72913d88065e720ad7e6c652a0
ripemd-160
577aeb59498bb2e3985edc1630512fb420f4536c
Diameter
123619732
Circumference
388362841.88994
Area
1.2002327608298E+16
Volume
9.8914968154268E+23
Surface area
4.8009310433193E+16
Circumference
388362841.88994
Perimeter
247239464
Area
3820459534937956
Diagonal
87412350.785664
Surface area
22922757209627736
Volume
2.3614209191294E+23
Space diagonal
107057828.32102
Perimeter
185429598
Area
1.6543075056934E+15
Altitude
53528914.160512
Surface area
1.6543075056934E+15
Volume
2.7829612419203E+22
Height
29137450.261888