20149989 is an odd 8-digits composite number following 20149988
and preceding 20149990 . In scientific notation, it is written as 2.0149989 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 13419120 positive integers (up to 20149989) that are relatively prime to 20149989.
20149989 has 8 divisors, whose sum is 26895072
The reverse of 20149989 is 98994102
Previous prime number is 1123
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty million one hundred forty-nine thousand nine hundred eighty-nine
Scientific notation
2.0149989 × 10^7
Engineering notation
2.0149989 × 10^6
Prime Factorization
3 × 1123 × 5981
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20149989
Product of the distinct prime numbers
The prime factorization of 20149989 is 3 × 1123 × 5981.
Since it has a total of 3 prime factors.
7 , 3 , 44 , 28 , 238 , 130 , 3542 , 4916 , 25010 , 34080 , 764409 , 813120 , 4466966 , 9606039 , 23946766 , 49431128 , 259956728 , 142382110 , 1229868608 , 3076677736
n×2
40299978
n×3
60449967
n×4
80599956
n×5
100749945
n÷2
10074994.5
n÷3
6716663
n÷3
5037497.25
n÷5
4029997.8
n2
406022056700121
n3
8.1813399762648E+21
n4
1.64853910527E+29
n5
3.321804483726E+36
2 √n
4488.8739122412
3 √n
272.11862706922
4 √n
66.999059039969
5 √n
28.897146698549
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
-20149988
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 20149989 can be divided by 8 positive divisors.
The sum of these divisors (counting 20149989) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110111011011100101
3
Ternary
1101220201120220
4
Quaternary
1030313123211
5
Quinary
20124244424
6
Senary
1555514553
8
Octal
114673345
10
Decimal
20149989
12
Duodecimal
68b8a59
16
Hexadecimal
13376e5
20
Vigesimal
65iej9
36
Base36
bzvtx
md5
98df87158b0c31c118d23843ad781a04
sha1
49cfa03c0df5a8c83adabb0ca51b94fdc53d513d
sha256
183f28f3e2a92505335b3404475a8ed38b8976df251ed1f855a47f3b4d9230db
sha512
eb1606c81c476289d8f1fbcde608119614d0f938a33e6d0bc7050e3dfc666bace6bb172592ec78c205b32190302f5bb43af9dd94e30705eeb30426d8e2cb03d8
ripemd-160
5c18ee553acb971d1829076fc18e471acfad533c
Diameter
40299978
Circumference
126606114.82463
Area
1.2755559105245E+15
Volume
3.4269916754605E+22
Surface area
5.1022236420981E+15
Circumference
126606114.82463
Perimeter
80599956
Area
406022056700121
Diagonal
28496387.725469
Surface area
2436132340200726
Volume
8.1813399762648E+21
Space diagonal
34900804.719954
Perimeter
60449967
Area
1.7581270779956E+14
Altitude
17450402.359977
Surface area
1.7581270779956E+14
Volume
9.6418016273491E+20
Height
9498795.9084896