12489021 is an odd 8-digits composite number following 12489020
and preceding 12489022 . In scientific notation, it is written as 1.2489021 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 6 positive divisors.
There are 8326008 positive integers (up to 12489021) that are relatively prime to 12489021.
12489021 has 6 divisors, whose sum is 18039710
The reverse of 12489021 is 12098421
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twelve million four hundred eighty-nine thousand twenty-one
Scientific notation
1.2489021 × 10^7
Engineering notation
1.2489021 × 10^6
Prime Factorization
3 × 3 × 1387669
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
4163007
Product of the distinct prime numbers
The prime factorization of 12489021 is 3 × 3 × 1387669.
Since it has a total of 3 prime factors.
10 , 2 , 6 , 31 , 60 , 442 , 6409 , 3938 , 43434 , 33299 , 797855 , 665976 , 4260485 , 4484487 , 99511384 , 61298691 , 216518876 , 546800727 , 378130149 , 4957470685
n×2
24978042
n×3
37467063
n×4
49956084
n×5
62445105
n÷2
6244510.5
n÷3
4163007
n÷3
3122255.25
n÷5
2497804.2
n2
155975645538441
n3
1.9479831126181E+21
n4
2.4328402001133E+28
n5
3.038379234886E+35
2 √n
3533.9808997786
3 √n
232.01147510621
4 √n
59.447295142661
5 √n
26.260662558401
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12489020
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12489021 can be divided by 6 positive divisors.
The sum of these divisors (counting 12489021) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
101111101001000100111101
3
Ternary
212111111201100
4
Quaternary
233221010331
5
Quinary
11144122041
6
Senary
1123403313
8
Octal
57510475
10
Decimal
12489021
12
Duodecimal
4223539
16
Hexadecimal
be913d
20
Vigesimal
3i12b1
36
Base36
7fol9
md5
61461d4714e7b0f751fbaa6c0a922fe3
sha1
17127f37ea658e2591e04fd7fb013b807823b841
sha256
747090b1736473878e3674c199435cb7c1a8e9721a6fd5b133fb8cddcb161565
sha512
d4431a855f508893e1a957d9c84b504077e4691a9f26dbfa9aec0d08550b71049a3bb3cefbc21a293eea29fcac834d11860ec45e89eb033341b1929c769b5e42
ripemd-160
79358e80f25f9adde8cece82b4834e75152e5e8b
Diameter
24978042
Circumference
78470833.248257
Area
4.9001194216249E+14
Volume
8.1596925812242E+21
Surface area
1.96004776865E+15
Circumference
78470833.248257
Perimeter
49956084
Area
155975645538441
Diagonal
17662142.878962
Surface area
935853873230646
Volume
1.9479831126181E+21
Space diagonal
21631618.908795
Perimeter
37467063
Area
67539435703983
Altitude
10815809.454397
Surface area
67539435703983
Volume
2.2957201142819E+20
Height
5887380.9596541