12989890 is an even 8-digits composite number following 12989889
and preceding 12989891 . In scientific notation, it is written as 1.2989890 × 10^7.
The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors.
There are 5195952 positive integers (up to 12989890) that are relatively prime to 12989890.
12989890 has 8 divisors, whose sum is 23381820
The reverse of 12989890 is 09898921
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
twelve million nine hundred eighty-nine thousand eight hundred ninety
Scientific notation
1.2989890 × 10^7
Engineering notation
1.2989890 × 10^6
Prime Factorization
2 × 5 × 1298989
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12989890
Product of the distinct prime numbers
The prime factorization of 12989890 is 2 × 5 × 1298989.
Since it has a total of 3 prime factors.
4 , 9 , 11 , 25 , 170 , 760 , 7803 , 7224 , 95268 , 11438 , 608836 , 701202 , 1367267 , 3993790 , 83390396 , 28982793 , 137272052 , 691920982 , 1968908676 , 6750877123
n×2
25979780
n×3
38969670
n×4
51959560
n×5
64949450
n÷2
6494945
n÷3
4329963.3333333
n÷3
3247472.5
n÷5
2597978
n2
168737242212100
n3
2.1918782152385E+21
n4
2.8472256909345E+28
n5
3.6985148530413E+35
2 √n
3604.1489980299
3 √n
235.07249913416
4 √n
60.034565027407
5 √n
26.467998093296
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
-12989889
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 12989890 can be divided by 8 positive divisors.
The sum of these divisors (counting 12989890) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001100011010111000010
3
Ternary
220102221210001
4
Quaternary
301203113002
5
Quinary
11311134030
6
Senary
1142230214
8
Octal
61432702
10
Decimal
12989890
12
Duodecimal
442536a
16
Hexadecimal
c635c2
20
Vigesimal
413eea
36
Base36
7qf2a
md5
20cc41886cb4e61e78b68cee46cc3a2a
sha1
1fb46eb4576555e24addaf9f8dd33d662bd1e870
sha256
8ab0d3c1759c2d4a0746f5ce6621b0df479bd9d68c2fd57c7bd1edb1d62ed922
sha512
4638ad230bf980af02978989ff330964a28ae6398af461d2f51a0b6e624bf15ee7aef5d35108d4efaef075566c8a195520af81ee5bb2aed357ccf3700ebd302e
ripemd-160
85b5a6f85646965b8c4c1ff71a75664b3e95107a
Diameter
25979780
Circumference
81617885.989879
Area
5.3010368052053E+14
Volume
9.1813179980759E+21
Surface area
2.1204147220821E+15
Circumference
81617885.989879
Perimeter
51959560
Area
168737242212100
Diagonal
18370478.611735
Surface area
1012423453272600
Volume
2.1918782152385E+21
Space diagonal
22499149.464731
Perimeter
38969670
Area
73065369160103
Altitude
11249574.732365
Surface area
73065369160103
Volume
2.5831532492171E+20
Height
6123492.8705782