61396985 is an odd 8-digits composite number following 61396984
and preceding 61396986 . In scientific notation, it is written as 6.1396985 × 10^7.
The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors.
There are 45239040 positive integers (up to 61396985) that are relatively prime to 61396985.
61396985 has 16 divisors, whose sum is 79519440
The reverse of 61396985 is 58969316
Previous prime number is 661
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
sixty-one million three hundred ninety-six thousand nine hundred eighty-five
Scientific notation
6.1396985 × 10^7
Engineering notation
6.1396985 × 10^6
Prime Factorization
5 × 13 × 661 × 1429
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
61396985
Product of the distinct prime numbers
The prime factorization of 61396985 is 5 × 13 × 661 × 1429.
Since it has a total of 4 prime factors.
10 , 3 , 24 , 9 , 285 , 510 , 9307 , 53 , 7557 , 35245 , 541799 , 859739 , 969983 , 2271309 , 83049266 , 18567034 , 259703709 , 832509474 , 2158123696 , 230834739
n×2
122793970
n×3
184190955
n×4
245587940
n×5
306984925
n÷2
30698492.5
n÷3
20465661.666667
n÷3
15349246.25
n÷5
12279397
n2
3769589767090225
n3
2.3144144638619E+23
n4
1.4209807012151E+31
n5
8.7243930797795E+38
2 √n
7835.6228214482
3 √n
394.50182349097
4 √n
88.519053437371
5 √n
36.110159687659
1 , 5 , 13 , 65 , 661 , 1429 , 3305 , 7145 , 8593 , 18577 , 42965 , 92885 , 944569 , 4722845 , 12279397 , 61396985
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
-61396984
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 61396985 can be divided by 16 positive divisors.
The sum of these divisors (counting 61396985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11101010001101011111111001
3
Ternary
11021112021211102
4
Quaternary
3222031133321
5
Quinary
111204200420
6
Senary
10031541145
8
Octal
352153771
10
Decimal
61396985
12
Duodecimal
1868a7b5
16
Hexadecimal
3a8d7f9
20
Vigesimal
j3ec95
36
Base36
10jy7t
md5
ed1275fbf7f9dc1813b46e9e45f3210f
sha1
511095a1692b07de37091505a6a7ca55441658e1
sha256
fe9196a2f8cceae87bb078400e5e5e1888903aed0293f9119ca289c0d001fae7
sha512
d2efce613efe9b7e70f33fa3702fcdb16334f27d693d8e0b935feeef063f0f7246b10ecec79077d4b5bc3e30ec1d0d95e14700443dc1a2bb09a72e34775bf3ce
ripemd-160
06242e58f44b4fd8ff17c9afa0ed88f6223b3c41
Diameter
122793970
Circumference
385768634.05713
Area
1.1842515519338E+16
Volume
9.6945966360408E+23
Surface area
4.7370062077352E+16
Circumference
385768634.05713
Perimeter
245587940
Area
3769589767090225
Diagonal
86828448.875817
Surface area
22617538602541350
Volume
2.3144144638619E+23
Space diagonal
106342697.45154
Perimeter
184190955
Area
1.632280250073E+15
Altitude
53171348.725772
Surface area
1.632280250073E+15
Volume
2.7275636031217E+22
Height
28942816.291939