20010989 is an odd 8-digits composite number following 20010988
and preceding 20010990 . In scientific notation, it is written as 2.0010989 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 17698560 positive integers (up to 20010989) that are relatively prime to 20010989.
20010989 has 8 divisors, whose sum is 20415360
The reverse of 20010989 is 98901002
Previous prime number is 391
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million ten thousand nine hundred eighty-nine
Scientific notation
2.0010989 × 10^7
Engineering notation
2.0010989 × 10^6
Prime Factorization
61 × 391 × 839
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20010989
Product of the distinct prime numbers
The prime factorization of 20010989 is 61 × 391 × 839.
Since it has a total of 3 prime factors.
8 , 10 , 12 , 4 , 308 , 608 , 1411 , 9103 , 20191 , 76111 , 58228 , 358776 , 6403345 , 662055 , 75532025 , 83158193 , 944578178 , 644049505 , 904358829 , 196615732
n×2
40021978
n×3
60032967
n×4
80043956
n×5
100054945
n÷2
10005494.5
n÷3
6670329.6666667
n÷3
5002747.25
n÷5
4002197.8
n2
400439680758121
n3
8.0131940468143E+21
n4
1.6035193792567E+29
n5
3.2088008659592E+36
2 √n
4473.3643938316
3 √n
271.4914671157
4 √n
66.883214589548
5 √n
28.857168187356
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
-20010988
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 20010989 can be divided by 8 positive divisors.
The sum of these divisors (counting 20010989) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100010101011111101101
3
Ternary
1101122122220202
4
Quaternary
1030111133231
5
Quinary
20110322424
6
Senary
1552523245
8
Octal
114253755
10
Decimal
20010989
12
Duodecimal
6850525
16
Hexadecimal
13157ed
20
Vigesimal
651799
36
Base36
bwwkt
md5
7e984f9c9d61c5d991831d7131c1f1b8
sha1
db421fabfe050d15844fbbb74a84b8e8e7da47fc
sha256
76e2b72f672dd9cb9cbeaa32474509f1b65f15359b0b632ba6ec557919f03a8f
sha512
6e919624b9c6fe46240a4942e236887475108f20d2f8ca2162f5f10852b9f9895c5cd8de1f7ea0fae46140cd08536760b1045efb1fc4f0416288bd8554caf999
ripemd-160
68b1ea65f178bb27e91223bb84f1de19b5b8be32
Diameter
40021978
Circumference
125732752.06693
Area
1.2580183592756E+15
Volume
3.3565588732348E+22
Surface area
5.0320734371022E+15
Circumference
125732752.06693
Perimeter
80043956
Area
400439680758121
Diagonal
28299812.040299
Surface area
2402638084548726
Volume
8.0131940468143E+21
Space diagonal
34660049.657702
Perimeter
60032967
Area
1.7339546810993E+14
Altitude
17330024.828851
Surface area
1.7339546810993E+14
Volume
9.4436397491101E+20
Height
9433270.6800996