20149638 is an even 8-digits composite number following 20149637
and preceding 20149639 . In scientific notation, it is written as 2.0149638 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 6694056 positive integers (up to 20149638) that are relatively prime to 20149638.
20149638 has 16 divisors, whose sum is 40434240
The reverse of 20149638 is 83694102
Previous prime number is 307
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million one hundred forty-nine thousand six hundred thirty-eight
Scientific notation
2.0149638 × 10^7
Engineering notation
2.0149638 × 10^6
Prime Factorization
2 × 3 × 307 × 10939
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20149638
Product of the distinct prime numbers
The prime factorization of 20149638 is 2 × 3 × 307 × 10939.
Since it has a total of 4 prime factors.
9 , 9 , 33 , 72 , 444 , 907 , 7814 , 4266 , 60645 , 65223 , 620432 , 632823 , 2902545 , 1261902 , 92841600 , 31237351 , 665857028 , 777970342 , 1315659219 , 5293725347
n×2
40299276
n×3
60448914
n×4
80598552
n×5
100748190
n÷2
10074819
n÷3
6716546
n÷3
5037409.5
n÷5
4029927.6
n2
406007911531044
n3
8.1809124424866E+21
n4
1.648424242258E+29
n5
3.3215151751923E+36
2 √n
4488.8348154059
3 √n
272.11704701554
4 √n
66.998767267808
5 √n
28.897046023862
1 , 2 , 3 , 6 , 307 , 614 , 921 , 1842 , 10939 , 21878 , 32817 , 65634 , 3358273 , 6716546 , 10074819 , 20149638
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20149637
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20149638 can be divided by 16 positive divisors.
The sum of these divisors (counting 20149638) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110111010110000110
3
Ternary
1101220201002220
4
Quaternary
1030313112012
5
Quinary
20124242023
6
Senary
1555513210
8
Octal
114672606
10
Decimal
20149638
12
Duodecimal
68b8806
16
Hexadecimal
1337586
20
Vigesimal
65ie1i
36
Base36
bzvk6
md5
c99b1f112029016f78373b95ae6beffd
sha1
dd8fc08f4da8b35fa5ba390ef018bf27b2cabd2a
sha256
3b739f3df207bda9ada17c8e87d1c387e76660be4c0a9198d0c90185060ac05d
sha512
56a8863a9013778fb4f074dbb1c6619aba6569583a7a52d12a8b18025e950b89ddfc9449367446c9f797b6704c25c641d29497dbd6a0c964beecccafd7a9ddf8
ripemd-160
823556f3aab4b8d462ac1ea1c373d07379d6261c
Diameter
40299276
Circumference
126603909.42659
Area
1.2755114721653E+15
Volume
3.4268125905303E+22
Surface area
5.102045888661E+15
Circumference
126603909.42659
Perimeter
80598552
Area
406007911531044
Diagonal
28495891.336508
Surface area
2436047469186264
Volume
8.1809124424866E+21
Space diagonal
34900196.770121
Perimeter
60448914
Area
1.7580658276167E+14
Altitude
17450098.38506
Surface area
1.7580658276167E+14
Volume
9.6412977739594E+20
Height
9498630.4455028