12785989 is an odd 8-digits composite number following 12785988
and preceding 12785990 . In scientific notation, it is written as 1.2785989 × 10^7.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 12033856 positive integers (up to 12785989) that are relatively prime to 12785989.
12785989 has 4 divisors, whose sum is 13538124
The reverse of 12785989 is 98958721
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
twelve million seven hundred eighty-five thousand nine hundred eighty-nine
Scientific notation
1.2785989 × 10^7
Engineering notation
1.2785989 × 10^6
Prime Factorization
17 × 752117
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12785989
Product of the distinct prime numbers
The prime factorization of 12785989 is 17 × 752117.
Since it has a total of 2 prime factors.
10 , 8 , 79 , 9 , 348 , 719 , 260 , 6321 , 24957 , 32476 , 167684 , 370577 , 2957608 , 8438659 , 22614246 , 79377504 , 823484718 , 789570230 , 6389740986 , 1119077787
n×2
25571978
n×3
38357967
n×4
51143956
n×5
63929945
n÷2
6392994.5
n÷3
4261996.3333333
n÷3
3196497.25
n÷5
2557197.8
n2
163481514708121
n3
2.0902728487614E+21
n4
2.6726205651262E+28
n5
3.4172097146877E+35
2 √n
3575.7501310914
3 √n
233.83603703669
4 √n
59.797576297801
5 √n
26.384378301286
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12785988
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12785989 can be divided by 4 positive divisors.
The sum of these divisors (counting 12785989) is 1, the average is 0.25.
Base
System
Value
2
Binary
110000110001100101000101
3
Ternary
220001121002011
4
Quaternary
300301211011
5
Quinary
11233122424
6
Senary
1134014221
8
Octal
60614505
10
Decimal
12785989
12
Duodecimal
4347371
16
Hexadecimal
c31945
20
Vigesimal
3ji4j9
36
Base36
7m1qd
md5
97a253a641ef37d8e4568b0892733886
sha1
484060af5e0b9b19a23b9dc8f2789f0390f85147
sha256
bfd005fdac6a73076e10194cf6f44e9741a7ab65e437a801f0f660ad905efcb8
sha512
cd386a055ced08f492bc13c415a1aa2375f4862eaa6d2df21b3d416b232700c0d1be7176470c7d4dd8effe69e96299685112f8ac74e031c4af18743d0120aa9e
ripemd-160
1c9d6b5044c77a2ff3d8b894cee261285514f6f2
Diameter
25571978
Circumference
80336738.22256
Area
5.1359232560476E+14
Volume
8.7557144342226E+21
Surface area
2.0543693024191E+15
Circumference
80336738.22256
Perimeter
51143956
Area
163481514708121
Diagonal
18082119.052153
Surface area
980889088248726
Volume
2.0902728487614E+21
Space diagonal
22145982.573017
Perimeter
38357967
Area
70789572393196
Altitude
11072991.286508
Surface area
70789572393196
Volume
2.4634101764821E+20
Height
6027373.0173844