61215 is an odd 5-digits composite number following 61214
and preceding 61216 . In scientific notation, it is written as 6.1215 × 10^4.
The sum of its digits is 15. It has a total of 3 prime factors and 8 positive divisors.
There are 24960 positive integers (up to 61215) that are relatively prime to 61215.
61215 has 8 divisors, whose sum is 68688
The reverse of 61215 is 51216
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 15
Digital Root 6
Name
sixty-one thousand two hundred fifteen
Scientific notation
6.1215 × 10^4
Engineering notation
6.1215 × 10^3
Prime Factorization
105 × 11 × 53
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
61215
Product of the distinct prime numbers
The prime factorization of 61215 is 105 × 11 × 53.
Since it has a total of 3 prime factors.
1 , 3 , 92 , 52 , 668 , 563 , 8992 , 4031 , 78128 , 81479 , 309777 , 989463 , 2274419 , 1328800 , 5661007 , 76974582 , 882878726 , 237818617 , 4949947564 , 5353302889
n×2
122430
n×3
183645
n×4
244860
n×5
306075
n÷2
30607.5
n÷3
20405
n÷3
15303.75
n÷5
12243
n2
3747276225
n3
229389514113375
n4
1.404207910645E+19
n5
8.5958587250135E+23
2 √n
247.41665263276
3 √n
39.411166065713
4 √n
15.729483546282
5 √n
9.0650785312944
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
-61214
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 61215 can be divided by 8 positive divisors.
The sum of these divisors (counting 61215) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110111100011111
3
Ternary
10002222020
4
Quaternary
32330133
5
Quinary
3424330
6
Senary
1151223
8
Octal
167437
10
Decimal
61215
12
Duodecimal
2b513
16
Hexadecimal
ef1f
20
Vigesimal
7d0f
36
Base36
1b8f
md5
43d0193b623ae62359f03ad342298498
sha1
831c6ea25ac116c8b9f2ecee54a0ec1991f4de48
sha256
2eb44479f6f19671a4a36200c834a49bf021bd3832a77c7c3bd0a24ceeb39b50
sha512
886dd8d03cb0c401afbc0527486094581bb598025f6962d414b1dcc39abe28ab094bd11262b3e4a3f3573e5c520abb546d11e850c0d0a4668bf248c1e5e4e506
ripemd-160
dfcdb657343c40c2fb641868d5050af1dd0bc026
Diameter
122430
Circumference
384625.188579
Area
11772415459.432
Volume
9.6086454979881E+14
Surface area
47089661837.727
Circumference
384625.188579
Perimeter
244860
Area
3747276225
Diagonal
86571.083220669
Surface area
22483657350
Volume
229389514113375
Space diagonal
106027.49018533
Perimeter
183645
Area
1622618202.9237
Altitude
53013.745092664
Surface area
1622618202.9237
Volume
27033813493776
Height
28857.027740223