12891489 is an odd 8-digits composite number following 12891488
and preceding 12891490 . In scientific notation, it is written as 1.2891489 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 7750080 positive integers (up to 12891489) that are relatively prime to 12891489.
12891489 has 16 divisors, whose sum is 17690880
The reverse of 12891489 is 98419821
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
twelve million eight hundred ninety-one thousand four hundred eighty-nine
Scientific notation
1.2891489 × 10^7
Engineering notation
1.2891489 × 10^6
Prime Factorization
3 × 169 × 47 × 541
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12891489
Product of the distinct prime numbers
The prime factorization of 12891489 is 3 × 169 × 47 × 541.
Since it has a total of 4 prime factors.
6 , 9 , 37 , 89 , 900 , 46 , 2581 , 7849 , 9783 , 43796 , 22423 , 700957 , 860581 , 8035183 , 84129247 , 9449855 , 935930215 , 595693440 , 1393934780 , 9801542547
n×2
25782978
n×3
38674467
n×4
51565956
n×5
64457445
n÷2
6445744.5
n÷3
4297163
n÷3
3222872.25
n÷5
2578297.8
n2
166190488637121
n3
2.1424428561701E+21
n4
2.7619278513445E+28
n5
3.5605362514401E+35
2 √n
3590.471974546
3 √n
234.47742033869
4 √n
59.92054718163
5 √n
26.427775961858
1 , 3 , 47 , 141 , 169 , 507 , 541 , 1623 , 7943 , 23829 , 25427 , 76281 , 91429 , 274287 , 4297163 , 12891489
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
-12891488
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 12891489 can be divided by 16 positive divisors.
The sum of these divisors (counting 12891489) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110001001011010101100001
3
Ternary
220020221210120
4
Quaternary
301023111201
5
Quinary
11300011424
6
Senary
1140150453
8
Octal
61132541
10
Decimal
12891489
12
Duodecimal
4398429
16
Hexadecimal
c4b561
20
Vigesimal
40b8e9
36
Base36
7ob4x
md5
a6d60f003e6c2d3cea4397027dc56708
sha1
67f55db5c86c548cd1565e7cd27afe3ec2179f6a
sha256
b313dcdf66f08d75cd5d4068c0d71f09f43cb97a88f6e4d00bfc5b979d338e37
sha512
c18513b01639d761843064aba2678b53f7358eee98b1c654c5a9ee0e28f400e04593e3ec6015408bc605b40e25eb17a10f8c1cb9408e6da71ae0002dc5ce2212
ripemd-160
5360dc7141d26f47941ad02e821ac24897c231af
Diameter
25782978
Circumference
80999614.272467
Area
5.2210281819888E+14
Volume
8.9742436502398E+21
Surface area
2.0884112727955E+15
Circumference
80999614.272467
Perimeter
51565956
Area
166190488637121
Diagonal
18231318.582984
Surface area
997142931822726
Volume
2.1424428561701E+21
Space diagonal
22328713.933215
Perimeter
38674467
Area
71962592513548
Altitude
11164356.966608
Surface area
71962592513548
Volume
2.5248931198376E+20
Height
6077106.1943279