20049985 is an odd 8-digits composite number following 20049984
and preceding 20049986 . In scientific notation, it is written as 2.0049985 × 10^7.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 16005360 positive integers (up to 20049985) that are relatively prime to 20049985.
20049985 has 8 divisors, whose sum is 24111936
The reverse of 20049985 is 58994002
Previous prime number is 491
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million forty-nine thousand nine hundred eighty-five
Scientific notation
2.0049985 × 10^7
Engineering notation
2.0049985 × 10^6
Prime Factorization
5 × 491 × 8167
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20049985
Product of the distinct prime numbers
The prime factorization of 20049985 is 5 × 491 × 8167.
Since it has a total of 3 prime factors.
9 , 6 , 100 , 78 , 267 , 18 , 9607 , 7294 , 39885 , 81824 , 235997 , 23393 , 7576738 , 8791471 , 96218620 , 55141790 , 479641489 , 112042058 , 3018065736 , 5650671798
n×2
40099970
n×3
60149955
n×4
80199940
n×5
100249925
n÷2
10024992.5
n÷3
6683328.3333333
n÷3
5012496.25
n÷5
4009997
n2
402001898500225
n3
8.060132034901E+21
n4
1.6160552639779E+29
n5
3.2401883801927E+36
2 √n
4477.7209604887
3 √n
271.6677071401
4 √n
66.915775124321
5 √n
28.868406392343
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
-20049984
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 20049985 can be divided by 8 positive divisors.
The sum of these divisors (counting 20049985) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100011111000001000001
3
Ternary
1101201122102001
4
Quaternary
1030133001001
5
Quinary
20113044420
6
Senary
1553424001
8
Octal
114370101
10
Decimal
20049985
12
Duodecimal
686b001
16
Hexadecimal
131f041
20
Vigesimal
6564j5
36
Base36
bxqo1
md5
038079f582ebb5924f86ec320eaf059c
sha1
1100ea3c2627f40df59b6f6997bf3066984c95fd
sha256
e8feccc7f7062cbbcb5a0b311e46fccd9fabbfd9876bbce4e673ecee15104ee0
sha512
9f7cfe3467d7725434bae1c691cbe064f41ed88882a5f87e954683dbfc89b33b41e78263182083a55c1224f766f189f22ecd5ef5bf91c597f96e1fa4dd2d674b
ripemd-160
43062d8aaf4f82686939d4911b127db2cee73525
Diameter
40099970
Circumference
125977771.16117
Area
1.2629262110575E+15
Volume
3.3762202117078E+22
Surface area
5.0517048442298E+15
Circumference
125977771.16117
Perimeter
80199940
Area
402001898500225
Diagonal
28354960.712377
Surface area
2412011391001350
Volume
8.060132034901E+21
Space diagonal
34727592.710994
Perimeter
60149955
Area
1.7407192823538E+14
Altitude
17363796.355497
Surface area
1.7407192823538E+14
Volume
9.4989566985624E+20
Height
9451653.5707924