20149661 is an odd 8-digits composite number following 20149660
and preceding 20149662 . In scientific notation, it is written as 2.0149661 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors.
There are 16808688 positive integers (up to 20149661) that are relatively prime to 20149661.
20149661 has 16 divisors, whose sum is 23654400
The reverse of 20149661 is 16694102
Previous prime number is 439
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million one hundred forty-nine thousand six hundred sixty-one
Scientific notation
2.0149661 × 10^7
Engineering notation
2.0149661 × 10^6
Prime Factorization
79 × 7 × 439 × 83
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20149661
Product of the distinct prime numbers
The prime factorization of 20149661 is 79 × 7 × 439 × 83.
Since it has a total of 4 prime factors.
10 , 9 , 77 , 6 , 953 , 319 , 4290 , 372 , 16201 , 54305 , 337110 , 392305 , 6825621 , 211602 , 20332367 , 50600353 , 991596793 , 758855138 , 5391244861 , 7163261897
n×2
40299322
n×3
60448983
n×4
80598644
n×5
100748305
n÷2
10074830.5
n÷3
6716553.6666667
n÷3
5037415.25
n÷5
4029932.2
n2
406008838414921
n3
8.1809404570644E+21
n4
1.6484317687103E+29
n5
3.3215341321144E+36
2 √n
4488.8373773172
3 √n
272.11715055238
4 √n
66.998786386898
5 √n
28.897052620822
1 , 7 , 79 , 83 , 439 , 553 , 581 , 3073 , 6557 , 34681 , 36437 , 45899 , 242767 , 255059 , 2878523 , 20149661
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
-20149660
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 20149661 can be divided by 16 positive divisors.
The sum of these divisors (counting 20149661) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110111010110011101
3
Ternary
1101220201010202
4
Quaternary
1030313112131
5
Quinary
20124242121
6
Senary
1555513245
8
Octal
114672635
10
Decimal
20149661
12
Duodecimal
68b8825
16
Hexadecimal
133759d
20
Vigesimal
65ie31
36
Base36
bzvkt
md5
6efe9ccf1b5385287badd20d073ae4d7
sha1
bca163e934c69df2cfb23b3696a33c07d95e8b17
sha256
a26283f17406e649db96650fd084456e62bd376383a34343c64871bf265fda74
sha512
090d8a7a27f59ee1e4757e141737b2d19bd9312a584b0e2cc5950e326946a50116e6eaaed9d9a7753c4292d566d8a3d39c7bdfbd8e8c248a9f87a54c998e608f
ripemd-160
deee83a8d2c10b76a472598110760541b5898369
Diameter
40299322
Circumference
126604053.93985
Area
1.2755143840568E+15
Volume
3.4268243252492E+22
Surface area
5.1020575362274E+15
Circumference
126604053.93985
Perimeter
80598644
Area
406008838414921
Diagonal
28495923.86342
Surface area
2436053030489526
Volume
8.1809404570644E+21
Space diagonal
34900236.607289
Perimeter
60448983
Area
1.7580698411417E+14
Altitude
17450118.303645
Surface area
1.7580698411417E+14
Volume
9.6413307894561E+20
Height
9498641.2878067