20149788 is an even 8-digits composite number following 20149787
and preceding 20149789 . In scientific notation, it is written as 2.0149788 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors.
There are 6694144 positive integers (up to 20149788) that are relatively prime to 20149788.
20149788 has 24 divisors, whose sum is 47173392
The reverse of 20149788 is 88794102
Previous prime number is 317
Is Prime? no Number parity even Number length 8 Sum of Digits 39 Digital Root 3
Name
twenty million one hundred forty-nine thousand seven hundred eighty-eight
Scientific notation
2.0149788 × 10^7
Engineering notation
2.0149788 × 10^6
Prime Factorization
2 × 2 × 3 × 317 × 5297
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
10074894 Product of the distinct prime numbers
The prime factorization of 20149788 is 2 × 2 × 3 × 317 × 5297.
Since it has a total of 5 prime factors.
2 , 1 , 9 , 84 , 844 , 630 , 8619 , 8296 , 33891 , 97029 , 989914 , 277131 , 9193647 , 6351801 , 42938850 , 30267321 , 239175876 , 53209682 , 5615179264 , 4234075707
n×2
40299576
n×3
60449364
n×4
80599152
n×5
100748940
n÷2
10074894
n÷3
6716596
n÷3
5037447
n÷5
4029957.6
n2
406013956444944
n3
8.1810951474069E+21
n4
1.6484733282808E+29
n5
3.3216388088512E+36
2 √n4488.8515234969
3 √n272.1177222544
4 √n66.998891957232
5 √n28.897089047404
1 , 2 , 3 , 4 , 6 , 12 , 317 , 634 , 951 , 1268 , 1902 , 3804 , 5297 , 10594 , 15891 , 21188 , 31782 , 63564 , 1679149 , 3358298 , 5037447 , 6716596 , 10074894 , 20149788
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-20149787 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 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
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20149788 can be divided by 24 positive divisors.
The sum of these divisors (counting 20149788) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100110111011000011100
3
Ternary
1101220201022110
4
Quaternary
1030313120130
5
Quinary
20124243123
6
Senary
1555514020
8
Octal
114673034
10
Decimal
20149788
12
Duodecimal
68b8910
16
Hexadecimal
133761c
20
Vigesimal
65ie98
36
Base36
bzvoc
md5
3b47f7ad49eb5e1f118fb3b80237be80
sha1
bb34b1bf80875687aa328b1e091ae08f454545af
sha256
f87733ad95c53c77f4cb324d3262717203c068bfdf70f377ed23278c59a156a2
sha512
184a6770da6b3db4d9c62a387ebbbca9330040d1d4f7659bab174c61caeb0c2afd8e090df6960656a8a903e5da32f02ee31cbaa9861c63c0719760a03ab4edc3
ripemd-160
335d06623e058c7aff95c3b991f68d4033a54a03
Diameter
40299576
Circumference
126604851.90438
Area
1.2755304628224E+15
Volume
3.4268891217883E+22
Surface area
5.1021218512894E+15
Circumference
126604851.90438
Perimeter
80599152
Area
406013956444944
Diagonal
28496103.468543
Surface area
2436083738669664
Volume
8.1810951474069E+21
Space diagonal
34900456.577742
Perimeter
60449364
Area
1.7580920028618E+14
Altitude
17450228.288871
Surface area
1.7580920028618E+14
Volume
9.6415130937729E+20
Height
9498701.1561809