12561015 is an odd 8-digits composite number following 12561014
and preceding 12561016 . In scientific notation, it is written as 1.2561015 × 10^7.
The sum of its digits is 21. It has a total of 5 prime factors and 24 positive divisors.
There are 6555648 positive integers (up to 12561015) that are relatively prime to 12561015.
12561015 has 24 divisors, whose sum is 20535120
The reverse of 12561015 is 51016521
Previous prime number is 97
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twelve million five hundred sixty-one thousand fifteen
Scientific notation
1.2561015 × 10^7
Engineering notation
1.2561015 × 10^6
Prime Factorization
3 × 5 × 89 × 97 × 97
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
129495
Product of the distinct prime numbers
The prime factorization of 12561015 is 3 × 5 × 89 × 97 × 97.
Since it has a total of 5 prime factors.
6 , 1 , 4 , 84 , 162 , 262 , 4710 , 2979 , 41044 , 76811 , 558237 , 539831 , 5732375 , 1776729 , 16396925 , 74845827 , 615110047 , 178254107 , 3502268947 , 9231327664
n×2
25122030
n×3
37683045
n×4
50244060
n×5
62805075
n÷2
6280507.5
n÷3
4187005
n÷3
3140253.75
n÷5
2512203
n2
157779097830225
n3
1.9818656145319E+21
n4
2.489424371212E+28
n5
3.1269696868159E+35
2 √n
3544.1522258504
3 √n
232.45643767035
4 √n
59.532782782685
5 √n
26.29086934124
1 , 3 , 5 , 15 , 89 , 97 , 267 , 291 , 445 , 485 , 1335 , 1455 , 8633 , 9409 , 25899 , 28227 , 43165 , 47045 , 129495 , 141135 , 837401 , 2512203 , 4187005 , 12561015
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12561014
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12561015 can be divided by 24 positive divisors.
The sum of these divisors (counting 12561015) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
101111111010101001110111
3
Ternary
212122011110210
4
Quaternary
233322221313
5
Quinary
11203423030
6
Senary
1125120503
8
Octal
57725167
10
Decimal
12561015
12
Duodecimal
4259133
16
Hexadecimal
bfaa77
20
Vigesimal
3ia2af
36
Base36
7h853
md5
afdf7f958a9192cbc4bdf014ee0a5e29
sha1
aea5d29c7076d4600478f7f652d96dbfc21e72a8
sha256
0423fa505d24904452cf86a5e6fec9d83748d28f1ecf123aac1eae513b3f4184
sha512
3cd4ac5da5b94ba53487cfad5301f4fad8640e1174cc6c0fdfe0c3268907873137e14d123caa4fc1ee5cb9cece76b14bf1b4192d9358b432126378b8b4f00f56
ripemd-160
75c769aeedda9cf7419f6f243319abce3e28c320
Diameter
25122030
Circumference
78923184.891262
Area
4.9567765463346E+14
Volume
8.3016192733543E+21
Surface area
1.9827106185338E+15
Circumference
78923184.891262
Perimeter
50244060
Area
157779097830225
Diagonal
17763957.770172
Surface area
946674586981350
Volume
1.9818656145319E+21
Space diagonal
21756316.174635
Perimeter
37683045
Area
68320353453583
Altitude
10878158.087317
Surface area
68320353453583
Volume
2.3356510257266E+20
Height
5921319.256724