20149387 is an odd 8-digits composite number following 20149386
and preceding 20149388 . In scientific notation, it is written as 2.0149387 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 19873296 positive integers (up to 20149387) that are relatively prime to 20149387.
20149387 has 4 divisors, whose sum is 20425480
The reverse of 20149387 is 78394102
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million one hundred forty-nine thousand three hundred eighty-seven
Scientific notation
2.0149387 × 10^7
Engineering notation
2.0149387 × 10^6
Prime Factorization
73 × 276019
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20149387
Product of the distinct prime numbers
The prime factorization of 20149387 is 73 × 276019.
Since it has a total of 2 prime factors.
8 , 5 , 87 , 63 , 467 , 662 , 1468 , 9868 , 40131 , 84281 , 886125 , 618375 , 2410819 , 8452333 , 65171901 , 15562644 , 646961764 , 748710447 , 7305406519 , 149123968
n×2
40298774
n×3
60448161
n×4
80597548
n×5
100746935
n÷2
10074693.5
n÷3
6716462.3333333
n÷3
5037346.75
n÷5
4029877.4
n2
405997796475769
n3
8.1806067223375E+21
n4
1.6483421074318E+29
n5
3.3213083031039E+36
2 √n
4488.8068570612
3 √n
272.11591710835
4 √n
66.998558619281
5 √n
28.896974030562
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
-20149386
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 20149387 can be divided by 4 positive divisors.
The sum of these divisors (counting 20149387) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110111010010001011
3
Ternary
1101220200202121
4
Quaternary
1030313102023
5
Quinary
20124240022
6
Senary
1555512111
8
Octal
114672213
10
Decimal
20149387
12
Duodecimal
68b8637
16
Hexadecimal
133748b
20
Vigesimal
65id97
36
Base36
bzvd7
md5
3252a86ba27ec29c2b0e239568e4312c
sha1
e7c6992a65cb9bec91f653ca7e1922895ab140ec
sha256
7b6a48991f1c5206247a6f768e585de159708a187926c96258b49dc98738feda
sha512
97878da3756bcc9bb0bd59e839f69df1973de81febcd4a3a22f4f22a72721daf2a39e9e401d398ce496aece81b725290ea7b9151d50b90b4e5159a86ecb65c14
ripemd-160
ae72cf1a334abe9b1f2468f2dfb31a94513482b4
Diameter
40298774
Circumference
126602332.34708
Area
1.2754796947819E+15
Volume
3.4266845307737E+22
Surface area
5.1019187791277E+15
Circumference
126602332.34708
Perimeter
80597548
Area
405997796475769
Diagonal
28495536.368904
Surface area
2435986778854614
Volume
8.1806067223375E+21
Space diagonal
34899762.025368
Perimeter
60448161
Area
1.7580220281426E+14
Altitude
17449881.012684
Surface area
1.7580220281426E+14
Volume
9.6409374793085E+20
Height
9498512.122968