20002989 is an odd 8-digits composite number following 20002988
and preceding 20002990 . In scientific notation, it is written as 2.0002989 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 13305600 positive integers (up to 20002989) that are relatively prime to 20002989.
20002989 has 8 divisors, whose sum is 26730112
The reverse of 20002989 is 98920002
Previous prime number is 463
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million two thousand nine hundred eighty-nine
Scientific notation
2.0002989 × 10^7
Engineering notation
2.0002989 × 10^6
Prime Factorization
3 × 463 × 14401
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20002989
Product of the distinct prime numbers
The prime factorization of 20002989 is 3 × 463 × 14401.
Since it has a total of 3 prime factors.
9 , 4 , 63 , 22 , 29 , 852 , 8413 , 7119 , 82099 , 10984 , 514365 , 549475 , 9962102 , 7959497 , 38705887 , 30449476 , 379548276 , 865335737 , 1833881242 , 7582384488
n×2
40005978
n×3
60008967
n×4
80011956
n×5
100014945
n÷2
10001494.5
n÷3
6667663
n÷3
5000747.25
n÷5
4000597.8
n2
400119568934121
n3
8.003587336074E+21
n4
1.6009566944403E+29
n5
3.2023919148365E+36
2 √n
4472.4701228739
3 √n
271.45528330967
4 √n
66.876528938589
5 √n
28.854860512596
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
-20002988
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 20002989 can be divided by 8 positive divisors.
The sum of these divisors (counting 20002989) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100010011100010101101
3
Ternary
1101122020221110
4
Quaternary
1030103202231
5
Quinary
20110043424
6
Senary
1552422233
8
Octal
114234255
10
Decimal
20002989
12
Duodecimal
6847979
16
Hexadecimal
13138ad
20
Vigesimal
650799
36
Base36
bwqel
md5
295cf48a47f208c175e8268b5c8622b5
sha1
9724800f2f4bb7ea64373c1c9f7bc78c92418791
sha256
cdee120d81ca2715dc94fe061ab128301530074ae7ea6f3c07d4db2c90c9603a
sha512
aae68b37950e3ae9d1db857f59d41c9a36a05f824011466c9450d0f72a6b66e8dcd0b53c12f2771441f87240fb976e4ef8bab8292649182a9630f4c745aa09d9
ripemd-160
c0d1a6d8e375547aea33ad9369d68e9122a666c7
Diameter
40005978
Circumference
125682486.58447
Area
1.2570126983209E+15
Volume
3.3525348236499E+22
Surface area
5.0280507932838E+15
Circumference
125682486.58447
Perimeter
80011956
Area
400119568934121
Diagonal
28288498.3318
Surface area
2400717413604726
Volume
8.003587336074E+21
Space diagonal
34646193.251241
Perimeter
60008967
Area
1.7325685562411E+14
Altitude
17323096.625621
Surface area
1.7325685562411E+14
Volume
9.4323181319278E+20
Height
9429499.4439333