12890645 is an odd 8-digits composite number following 12890644
and preceding 12890646 . In scientific notation, it is written as 1.2890645 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 9430848 positive integers (up to 12890645) that are relatively prime to 12890645.
12890645 has 16 divisors, whose sum is 16848000
The reverse of 12890645 is 54609821
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twelve million eight hundred ninety thousand six hundred forty-five
Scientific notation
1.2890645 × 10^7
Engineering notation
1.2890645 × 10^6
Prime Factorization
5 × 29 × 19 × 4679
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12890645
Product of the distinct prime numbers
The prime factorization of 12890645 is 5 × 29 × 19 × 4679.
Since it has a total of 4 prime factors.
6 , 9 , 3 , 85 , 963 , 6 , 5392 , 8315 , 69301 , 6366 , 704753 , 286521 , 9581724 , 6081121 , 35609002 , 86927005 , 959893013 , 309235884 , 6776357928 , 8212661478
n×2
25781290
n×3
38671935
n×4
51562580
n×5
64453225
n÷2
6445322.5
n÷3
4296881.6666667
n÷3
3222661.25
n÷5
2578129
n2
166168728516025
n3
2.1420220894015E+21
n4
2.7612046336632E+28
n5
3.5593708704908E+35
2 √n
3590.3544393277
3 √n
234.47230318318
4 √n
59.919566414717
5 √n
26.427429909869
1 , 5 , 19 , 29 , 95 , 145 , 551 , 2755 , 4679 , 23395 , 88901 , 135691 , 444505 , 678455 , 2578129 , 12890645
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
-12890644
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 12890645 can be divided by 16 positive divisors.
The sum of these divisors (counting 12890645) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110001001011001000010101
3
Ternary
220020220122022
4
Quaternary
301023020111
5
Quinary
11300000040
6
Senary
1140142525
8
Octal
61131025
10
Decimal
12890645
12
Duodecimal
4397a45
16
Hexadecimal
c4b215
20
Vigesimal
40b6c5
36
Base36
7oahh
md5
c789813f41b0dc9fa659fb69e24988ee
sha1
a10d4ef25fe9c8d8f9bbb1d5997212611db5f050
sha256
e6e42f0668b2a8dec09d9fcbe763885086d48363dc73e96762abc6b40a4fd6a5
sha512
4f4f96614d88b5877176bdfa9d727adf41256a04d6d04143325e1b78bfe325436307c2befd772d734c1d772af82b3733cc9ba666835a7dc24fac6704c67fb408
ripemd-160
089fe73aeb0702a3b1f565fc2c88d90700907ea3
Diameter
25781290
Circumference
80994311.264068
Area
5.220344567623E+14
Volume
8.9724811465209E+21
Surface area
2.0881378270492E+15
Circumference
80994311.264068
Perimeter
51562580
Area
166168728516025
Diagonal
18230124.986737
Surface area
997012371096150
Volume
2.1420220894015E+21
Space diagonal
22327252.082334
Perimeter
38671935
Area
71953170104719
Altitude
11163626.041167
Surface area
71953170104719
Volume
2.5243972414452E+20
Height
6076708.3289123