12390985 is an odd 8-digits composite number following 12390984
and preceding 12390986 . In scientific notation, it is written as 1.2390985 × 10^7.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 9881520 positive integers (up to 12390985) that are relatively prime to 12390985.
12390985 has 8 divisors, whose sum is 14916096
The reverse of 12390985 is 58909321
Previous prime number is 331
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twelve million three hundred ninety thousand nine hundred eighty-five
Scientific notation
1.2390985 × 10^7
Engineering notation
1.2390985 × 10^6
Prime Factorization
5 × 331 × 7487
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12390985
Product of the distinct prime numbers
The prime factorization of 12390985 is 5 × 331 × 7487.
Since it has a total of 3 prime factors.
9 , 10 , 41 , 79 , 475 , 468 , 4963 , 6339 , 21503 , 50334 , 307050 , 94778 , 902004 , 6828040 , 66465418 , 45760925 , 169104340 , 204694669 , 4496130386 , 2548993629
n×2
24781970
n×3
37172955
n×4
49563940
n×5
61954925
n÷2
6195492.5
n÷3
4130328.3333333
n÷3
3097746.25
n÷5
2478197
n2
153536509270225
n3
1.9024685833197E+21
n4
2.3573459678886E+28
n5
2.9209838527918E+35
2 √n
3520.0830956101
3 √n
231.40280040147
4 √n
59.330288180744
5 √n
26.219304436487
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
-12390984
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 12390985 can be divided by 8 positive divisors.
The sum of these divisors (counting 12390985) is 1, the average is 0.125.
Base
System
Value
2
Binary
101111010001001001001001
3
Ternary
212022112020101
4
Quaternary
233101021021
5
Quinary
11133002420
6
Senary
1121325401
8
Octal
57211111
10
Decimal
12390985
12
Duodecimal
4196861
16
Hexadecimal
bd1249
20
Vigesimal
3h8h95
36
Base36
7dky1
md5
689604ec4f3b23b34b687bb3c9660761
sha1
9cc6c66c05846d157522d7e7e6c5020f95ff1216
sha256
1d55894530b9928649a94f729d0415a04b1a2b810aac98b33b6a851572f55d59
sha512
47c8b72ffb862c3a8ec4d6f3081b1fb3640e1b9932693af5ce32776e2a651b66a1f870268467a09d077e785b20f8dc6e26c6c5155e6018420e052be43ac5476e
ripemd-160
637ba10d775f12e776377d1b6761260b75aa0ab0
Diameter
24781970
Circumference
77854854.893483
Area
4.8234916958116E+14
Volume
7.9690417667235E+21
Surface area
1.9293966783246E+15
Circumference
77854854.893483
Perimeter
49563940
Area
153536509270225
Diagonal
17523499.038162
Surface area
921219055621350
Volume
1.9024685833197E+21
Space diagonal
21461815.575824
Perimeter
37172955
Area
66483258718200
Altitude
10730907.787912
Surface area
66483258718200
Volume
2.2420807270996E+20
Height
5841166.3460539