20146989 is an odd 8-digits composite number following 20146988
and preceding 20146990 . In scientific notation, it is written as 2.0146989 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 12641216 positive integers (up to 20146989) that are relatively prime to 20146989.
20146989 has 8 divisors, whose sum is 28442880
The reverse of 20146989 is 98964102
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty million one hundred forty-six thousand nine hundred eighty-nine
Scientific notation
2.0146989 × 10^7
Engineering notation
2.0146989 × 10^6
Prime Factorization
3 × 17 × 395039
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20146989
Product of the distinct prime numbers
The prime factorization of 20146989 is 3 × 17 × 395039.
Since it has a total of 3 prime factors.
4 , 6 , 17 , 2 , 92 , 407 , 4179 , 1300 , 40649 , 2042 , 829600 , 114164 , 636685 , 1720106 , 75642945 , 39867473 , 823512269 , 549402021 , 2878217728 , 3285685295
n×2
40293978
n×3
60440967
n×4
80587956
n×5
100734945
n÷2
10073494.5
n÷3
6715663
n÷3
5036747.25
n÷5
4029397.8
n2
405901165766121
n3
8.1776863217772E+21
n4
1.647557563703E+29
n5
3.319332411279E+36
2 √n
4488.5397402719
3 √n
272.10512174508
4 √n
66.996565137863
5 √n
28.896286185887
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
-20146988
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 20146989 can be divided by 8 positive divisors.
The sum of these divisors (counting 20146989) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110110101100101101
3
Ternary
1101220120110210
4
Quaternary
1030312230231
5
Quinary
20124200424
6
Senary
1555453033
8
Octal
114665455
10
Decimal
20146989
12
Duodecimal
68b7179
16
Hexadecimal
1336b2d
20
Vigesimal
65i799
36
Base36
bztil
md5
f19a8d295d8622127462da3dacdaf766
sha1
f82b29a0729428689cea553aca2b8bc97a42f88d
sha256
3679690272100505bbad4da4dc72324cb2c5ef892d4105685e0e941baf0892fb
sha512
1d6201b5226617318ec3764d3a0f27c6f713b91c9f9d39878616c50ac33ec2a136781338148069e9913a07ba6e9495eadfcd55d47b7f2574fccf2f7447c90ad8
ripemd-160
3eaa268896a80539c7d7a7b22136a42ff370a9a6
Diameter
40293978
Circumference
126587265.26871
Area
1.2751761204544E+15
Volume
3.4254612362476E+22
Surface area
5.1007044818175E+15
Circumference
126587265.26871
Perimeter
80587956
Area
405901165766121
Diagonal
28492145.084782
Surface area
2435406994596726
Volume
8.1776863217772E+21
Space diagonal
34895608.567531
Perimeter
60440967
Area
1.7576036048959E+14
Altitude
17447804.283766
Surface area
1.7576036048959E+14
Volume
9.6374957542419E+20
Height
9497381.6949272