20149887 is an odd 8-digits composite number following 20149886
and preceding 20149888 . In scientific notation, it is written as 2.0149887 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 13147352 positive integers (up to 20149887) that are relatively prime to 20149887.
20149887 has 8 divisors, whose sum is 27438336
The reverse of 20149887 is 78894102
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty million one hundred forty-nine thousand eight hundred eighty-seven
Scientific notation
2.0149887 × 10^7
Engineering notation
2.0149887 × 10^6
Prime Factorization
3 × 47 × 142907
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20149887
Product of the distinct prime numbers
The prime factorization of 20149887 is 3 × 47 × 142907.
Since it has a total of 3 prime factors.
7 , 10 , 47 , 16 , 314 , 72 , 6877 , 7360 , 71913 , 57324 , 378172 , 62503 , 162766 , 4395571 , 85867361 , 93558756 , 592279528 , 684948171 , 5406467473 , 1803953945
n×2
40299774
n×3
60449661
n×4
80599548
n×5
100749435
n÷2
10074943.5
n÷3
6716629
n÷3
5037471.75
n÷5
4029977.4
n2
406017946112769
n3
8.1812157341444E+21
n4
1.6485057256563E+29
n5
3.3217204090828E+36
2 √n
4488.8625508028
3 √n
272.11816791021
4 √n
66.998974251871
5 √n
28.897117442801
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20149886
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20149887 can be divided by 8 positive divisors.
The sum of these divisors (counting 20149887) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110111011001111111
3
Ternary
1101220201110010
4
Quaternary
1030313121333
5
Quinary
20124244022
6
Senary
1555514303
8
Octal
114673177
10
Decimal
20149887
12
Duodecimal
68b8993
16
Hexadecimal
133767f
20
Vigesimal
65iee7
36
Base36
bzvr3
md5
91b1481a5873e04e90323f9e99df753e
sha1
eb93fc945b6c030197c608bc16be6b2b0a9310cd
sha256
de3f8071d9336a63356fd12e4b8edcb5fdd5e403bb6b4815bb1de0d601a00969
sha512
687bc0d16e6710027800ae48c8eb8ca7a0b5049c78145a941cc4940792b9532ce27990d6c53ede663c8ee2b7065534e27026634227513b109efa3735bb7bd1f3
ripemd-160
087ca10a5cb96dccc8a2ec9f791c918954d7d6ce
Diameter
40299774
Circumference
126605473.93973
Area
1.2755429967335E+15
Volume
3.4269396330428E+22
Surface area
5.102171986934E+15
Circumference
126605473.93973
Perimeter
80599548
Area
406017946112769
Diagonal
28496243.475685
Surface area
2436107676676614
Volume
8.1812157341444E+21
Space diagonal
34900628.050772
Perimeter
60449661
Area
1.7581092786302E+14
Altitude
17450314.025386
Surface area
1.7581092786302E+14
Volume
9.641655206606E+20
Height
9498747.8252284