61809890 is an even 8-digits composite number following 61809889
and preceding 61809891 . In scientific notation, it is written as 6.1809890 × 10^7.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 24723952 positive integers (up to 61809890) that are relatively prime to 61809890.
61809890 has 8 divisors, whose sum is 111257820
The reverse of 61809890 is 09890816
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
sixty-one million eight hundred nine thousand eight hundred ninety
Scientific notation
6.1809890 × 10^7
Engineering notation
6.1809890 × 10^6
Prime Factorization
2 × 5 × 6180989
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
61809890
Product of the distinct prime numbers
The prime factorization of 61809890 is 2 × 5 × 6180989.
Since it has a total of 3 prime factors.
8 , 6 , 99 , 67 , 56 , 384 , 7061 , 9534 , 50430 , 64789 , 874813 , 36642 , 39621 , 7274216 , 89915835 , 51220740 , 940895096 , 45474012 , 8554411504 , 4959310949
n×2
123619780
n×3
185429670
n×4
247239560
n×5
309049450
n÷2
30904945
n÷3
20603296.666667
n÷3
15452472.5
n÷5
12361978
n2
3820462501812100
n3
2.3614236698613E+23
n4
1.4595933727752E+31
n5
9.0217305815966E+38
2 √n
7861.9266086628
3 √n
395.38421196382
4 √n
88.667505934603
5 √n
36.158598931044
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-61809889
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 61809890 can be divided by 8 positive divisors.
The sum of these divisors (counting 61809890) is 1, the average is 0.125.
Base
System
Value
2
Binary
11101011110010010011100010
3
Ternary
11022022021020012
4
Quaternary
3223302103202
5
Quinary
111310404030
6
Senary
10044444522
8
Octal
353622342
10
Decimal
61809890
12
Duodecimal
18849742
16
Hexadecimal
3af24e2
20
Vigesimal
j664ea
36
Base36
10sste
md5
4096920235edc8a89e1ace5281aa1a70
sha1
6525c7e2d6c0d0555bf234ee059885d29ff49cdf
sha256
a280ed7e6de5722f08f5df09d7ea3ab10b30b6b043fcb0ab9aabb7d8a2a547f3
sha512
06e4178846254c43d952cf6b0f97a3876956a710bf919e377a8e2fe540614ca1c30ceefe8c42b3c379aa08ebe6bf1a2bd4844924303e99bad15d20ad2c98ab92
ripemd-160
d017352e1709b660d95546927d72abd83ab1becf
Diameter
123619780
Circumference
388362992.68639
Area
1.2002336929008E+16
Volume
9.8915083376658E+23
Surface area
4.8009347716033E+16
Circumference
388362992.68639
Perimeter
247239560
Area
3820462501812100
Diagonal
87412384.726789
Surface area
22922775010872600
Volume
2.3614236698613E+23
Space diagonal
107057869.89024
Perimeter
185429670
Area
1.6543087903876E+15
Altitude
53528934.945122
Surface area
1.6543087903876E+15
Volume
2.7829644836889E+22
Height
29137461.575596