20145949 is an odd 8-digits prime number following 20145948
and preceding 20145950 . In scientific notation, it is written as 2.0145949 × 10^7.
The sum of its digits is 34. It has a total of 1 prime factors and 2 positive divisors.
There are 20145948 positive integers (up to 20145949) that are relatively prime to 20145949.
20145949 has 2 divisors, whose sum is 20145950
The reverse of 20145949 is 94954102
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million one hundred forty-five thousand nine hundred forty-nine
Scientific notation
2.0145949 × 10^7
Engineering notation
2.0145949 × 10^6
Prime Factorization
20145949
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20145949
Product of the distinct prime numbers
The prime factorization of 20145949 is 20145949.
Since it has a total of 1 prime factors.
7 , 10 , 89 , 33 , 237 , 960 , 8993 , 4742 , 26031 , 50341 , 883087 , 175853 , 9254906 , 7870024 , 53218742 , 59538537 , 448106687 , 886047941 , 3213526823 , 8557009145
n×2
40291898
n×3
60437847
n×4
80583796
n×5
100729745
n÷2
10072974.5
n÷3
6715316.3333333
n÷3
5036487.25
n÷5
4029189.8
n2
405859261110601
n3
8.1764199755119E+21
n4
1.6472173982924E+29
n5
3.3184757697912E+36
2 √n
4488.4238881817
3 √n
272.10043958644
4 √n
66.995700520121
5 √n
28.895987850903
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20145950
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10072975
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4488.4239995794
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999007245
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20145949 can be divided by 2 positive divisors.
The sum of these divisors (counting 20145949) is 20145950, the average is 10072975.
Base
System
Value
2
Binary
1001100110110011100011101
3
Ternary
1101220112001021
4
Quaternary
1030312130131
5
Quinary
20124132244
6
Senary
1555444141
8
Octal
114663435
10
Decimal
20145949
12
Duodecimal
68b6651
16
Hexadecimal
133671d
20
Vigesimal
65i4h9
36
Base36
bzspp
md5
cde3fdaa1784403f21f80c358b37f442
sha1
b7ac4c1fbe8536d268f01561dfd24849df0e2911
sha256
534b08cfe7faccb147bed2cfc9639c313c91a798621bd6e47229e039cccc0525
sha512
fc3fe6bd3a3825902c08c310611d369e38a579fcbe410ff70c89409c36441abe20ae564ce9c83ef6767a864eaf8e4cbd670bd82d947b8a7d16646431b009dca4
ripemd-160
025a1e7bfa40b79c7c15475b9baaa58b6e552746
Diameter
40291898
Circumference
126580730.75599
Area
1.2750444730964E+15
Volume
3.4249307903644E+22
Surface area
5.1001778923858E+15
Circumference
126580730.75599
Perimeter
80583796
Area
405859261110601
Diagonal
28490674.302677
Surface area
2435155566663606
Volume
8.1764199755119E+21
Space diagonal
34893807.234691
Perimeter
60437847
Area
1.7574221524148E+14
Altitude
17446903.617346
Surface area
1.7574221524148E+14
Volume
9.636003350856E+20
Height
9496891.4342256