20149949 is an odd 8-digits composite number following 20149948
and preceding 20149950 . In scientific notation, it is written as 2.0149949 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 20115036 positive integers (up to 20149949) that are relatively prime to 20149949.
20149949 has 4 divisors, whose sum is 20184864
The reverse of 20149949 is 94994102
Previous prime number is 587
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million one hundred forty-nine thousand nine hundred forty-nine
Scientific notation
2.0149949 × 10^7
Engineering notation
2.0149949 × 10^6
Prime Factorization
587 × 34327
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20149949
Product of the distinct prime numbers
The prime factorization of 20149949 is 587 × 34327.
Since it has a total of 2 prime factors.
1 , 8 , 40 , 16 , 812 , 824 , 6061 , 8488 , 98471 , 1326 , 188277 , 227345 , 6047507 , 4680833 , 62409618 , 17804844 , 432220708 , 795062696 , 6995797674 , 6624567890
n×2
40299898
n×3
60449847
n×4
80599796
n×5
100749745
n÷2
10074974.5
n÷3
6716649.6666667
n÷3
5037487.25
n÷5
4029989.8
n2
406020444702601
n3
8.1812912537147E+21
n4
1.648526015165E+29
n5
3.3217715130748E+36
2 √n
4488.8694567786
3 √n
272.11844700705
4 √n
66.999025789773
5 √n
28.897135225721
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20149948
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20149949 can be divided by 4 positive divisors.
The sum of these divisors (counting 20149949) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110111011010111101
3
Ternary
1101220201112102
4
Quaternary
1030313122331
5
Quinary
20124244244
6
Senary
1555514445
8
Octal
114673275
10
Decimal
20149949
12
Duodecimal
68b8a25
16
Hexadecimal
13376bd
20
Vigesimal
65ieh9
36
Base36
bzvst
md5
e0eb0ecdd44013fe5ba3094f3f9d5541
sha1
8c2ba4656b41f5fc6187632adcd855edbd9cc1c0
sha256
8600e0f1a4eb03f686d996f478decff9e7fd6cb9800b9f33f5339f58d5f21783
sha512
124e8b00cb514c0fc391ae01af71466e69443005151d8925b868fe341c93fbcee6a7e6f6a6748d7f5ab982c6e4b43533065c4db85c8553456325b535fc0cd1fe
ripemd-160
66596ef5ee378c79182741b5f2402f84529442a8
Diameter
40299898
Circumference
126605863.49722
Area
1.275550846285E+15
Volume
3.4269712666065E+22
Surface area
5.1022033851398E+15
Circumference
126605863.49722
Perimeter
80599796
Area
406020444702601
Diagonal
28496331.156926
Surface area
2436122668215606
Volume
8.1812912537147E+21
Space diagonal
34900735.437922
Perimeter
60449847
Area
1.7581200978415E+14
Altitude
17450367.718961
Surface area
1.7581200978415E+14
Volume
9.6417442072731E+20
Height
9498777.0523087