61397985 is an odd 8-digits composite number following 61397984
and preceding 61397986 . In scientific notation, it is written as 6.1397985 × 10^7.
The sum of its digits is 48. It has a total of 5 prime factors and 32 positive divisors.
There are 28385280 positive integers (up to 61397985) that are relatively prime to 61397985.
61397985 has 32 divisors, whose sum is 87333120
The reverse of 61397985 is 58979316
Previous prime number is 89
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
sixty-one million three hundred ninety-seven thousand nine hundred eighty-five
Scientific notation
6.1397985 × 10^7
Engineering notation
6.1397985 × 10^6
Prime Factorization
55 × 37 × 3 × 89 × 113
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
61397985
Product of the distinct prime numbers
The prime factorization of 61397985 is 55 × 37 × 3 × 89 × 113.
Since it has a total of 5 prime factors.
10 , 7 , 19 , 12 , 631 , 614 , 7824 , 1470 , 21067 , 63184 , 688862 , 224178 , 6296565 , 6771777 , 49615339 , 43312054 , 345788551 , 679266452 , 1323101703 , 7938794625
n×2
122795970
n×3
184193955
n×4
245591940
n×5
306989925
n÷2
30698992.5
n÷3
20465995
n÷3
15349496.25
n÷5
12279597
n2
3769712562060225
n3
2.3145275533969E+23
n4
1.4210732800555E+31
n5
8.7251035932746E+38
2 √n
7835.6866323252
3 √n
394.50396528822
4 √n
88.519413872468
5 √n
36.110277315338
1 , 3 , 37 , 55 , 89 , 111 , 113 , 165 , 267 , 339 , 2035 , 3293 , 4181 , 4895 , 6105 , 6215 , 9879 , 10057 , 12543 , 14685 , 18645 , 30171 , 181115 , 229955 , 372109 , 543345 , 553135 , 689865 , 1116327 , 1659405 , 20465995 , 61397985
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-61397984
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 61397985 can be divided by 32 positive divisors.
The sum of these divisors (counting 61397985) is 1, the average is 0.03125.
Base
System
Value
2
Binary
11101010001101101111100001
3
Ternary
11021112100012110
4
Quaternary
3222031233201
5
Quinary
111204213420
6
Senary
10031545533
8
Octal
352155741
10
Decimal
61397985
12
Duodecimal
1868b2a9
16
Hexadecimal
3a8dbe1
20
Vigesimal
j3eej5
36
Base36
10jyzl
md5
394c712e877bd016afe6a22272da41a4
sha1
e9041b9cfd68c9513a17d0222a9c4072a8d237e6
sha256
c29e39d204eb7ebf5ea748b76ca4e9328e328f4c4d262d7186179c6453ac49d9
sha512
bdf9da5e2a5ad5c0b3d5125490b8d761ce11b633468fb7675367b7a14176ec9c485f6b0035a897c64f10bb375f33f3393e0777069ff3819f061521d526e4fcd3
ripemd-160
d47c579f128ec86ee24c65a6d2107f8ec92b7103
Diameter
122795970
Circumference
385774917.24243
Area
1.1842901291114E+16
Volume
9.6950703443769E+23
Surface area
4.7371605164454E+16
Circumference
385774917.24243
Perimeter
245591940
Area
3769712562060225
Diagonal
86829863.08938
Surface area
22618275372361350
Volume
2.3145275533969E+23
Space diagonal
106344429.50235
Perimeter
184193955
Area
1.6323334218547E+15
Altitude
53172214.751176
Surface area
1.6323334218547E+15
Volume
2.7276968804167E+22
Height
28943287.69646