12581085 is an odd 8-digits composite number following 12581084
and preceding 12581086 . In scientific notation, it is written as 1.2581085 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 6099840 positive integers (up to 12581085) that are relatively prime to 12581085.
12581085 has 16 divisors, whose sum is 21960000
The reverse of 12581085 is 58018521
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twelve million five hundred eighty-one thousand eighty-five
Scientific notation
1.2581085 × 10^7
Engineering notation
1.2581085 × 10^6
Prime Factorization
3 × 5 × 11 × 76249
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12581085
Product of the distinct prime numbers
The prime factorization of 12581085 is 3 × 5 × 11 × 76249.
Since it has a total of 4 prime factors.
8 , 8 , 94 , 60 , 589 , 458 , 6964 , 3564 , 12734 , 82979 , 803129 , 621837 , 8449399 , 6350373 , 8770931 , 8901009 , 951091198 , 398766338 , 7474939027 , 6040367516
n×2
25162170
n×3
37743255
n×4
50324340
n×5
62905425
n÷2
6290542.5
n÷3
4193695
n÷3
3145271.25
n÷5
2516217
n2
158283699777225
n3
1.9913806810117E+21
n4
2.5053729615167E+28
n5
3.1520310185543E+35
2 √n
3546.9825203967
3 √n
232.58017815134
4 √n
59.55654892954
5 √n
26.299265491294
1 , 3 , 5 , 11 , 15 , 33 , 55 , 165 , 76249 , 228747 , 381245 , 838739 , 1143735 , 2516217 , 4193695 , 12581085
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
-12581084
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 12581085 can be divided by 16 positive divisors.
The sum of these divisors (counting 12581085) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101111111111100011011101
3
Ternary
212200012000010
4
Quaternary
233333203131
5
Quinary
11210043320
6
Senary
1125353433
8
Octal
57774335
10
Decimal
12581085
12
Duodecimal
4268879
16
Hexadecimal
bff8dd
20
Vigesimal
3icce5
36
Base36
7hnml
md5
bc608f19734bcdcdc4b1e115f9a9a508
sha1
4471fb8bd6675879cc693dfedd5568c1beae6ad6
sha256
3de32d66df0032f60afb000dc32c7ab163413dfaccd08642ed30e14bb55cf06d
sha512
0cb5ee4c5457673884ea3671cf030a6d956d29bef2c10d2c1059395bb9101f009528ec1b8bc33e55d5828f2ba821bcdd59f0ffeff37e6710dffb3ea0756a39e0
ripemd-160
4081fcae26126a9ebad8545ac474044c1a80f685
Diameter
25162170
Circumference
79049288.420377
Area
4.9726290840314E+14
Volume
8.3414758906229E+21
Surface area
1.9890516336126E+15
Circumference
79049288.420377
Perimeter
50324340
Area
158283699777225
Diagonal
17792341.036369
Surface area
949702198663350
Volume
1.9913806810117E+21
Space diagonal
21791078.434343
Perimeter
37743255
Area
68538852506033
Altitude
10895539.217171
Surface area
68538852506033
Volume
2.3468646391122E+20
Height
5930780.3454562