20089987 is an odd 8-digits composite number following 20089986
and preceding 20089988 . In scientific notation, it is written as 2.0089987 × 10^7.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 19622736 positive integers (up to 20089987) that are relatively prime to 20089987.
20089987 has 4 divisors, whose sum is 20557240
The reverse of 20089987 is 78998002
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty million eighty-nine thousand nine hundred eighty-seven
Scientific notation
2.0089987 × 10^7
Engineering notation
2.0089987 × 10^6
Prime Factorization
43 × 467209
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20089987
Product of the distinct prime numbers
The prime factorization of 20089987 is 43 × 467209.
Since it has a total of 2 prime factors.
1 , 3 , 8 , 100 , 689 , 79 , 4459 , 3019 , 90601 , 99904 , 91536 , 142481 , 1321851 , 804139 , 82620545 , 99767307 , 292385467 , 365156673 , 3575630458 , 8270342316
n×2
40179974
n×3
60269961
n×4
80359948
n×5
100449935
n÷2
10044993.5
n÷3
6696662.3333333
n÷3
5022496.75
n÷5
4017997.4
n2
403607577660169
n3
8.1084709882943E+21
n4
1.6289907674471E+29
n5
3.2726403341132E+36
2 √n
4482.1855160178
3 √n
271.84825644369
4 √n
66.949126327517
5 √n
28.879916361213
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
-20089986
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 20089987 can be divided by 4 positive divisors.
The sum of these divisors (counting 20089987) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100101000110010000011
3
Ternary
1101210200021121
4
Quaternary
1030220302003
5
Quinary
20120334422
6
Senary
1554333111
8
Octal
114506203
10
Decimal
20089987
12
Duodecimal
688a197
16
Hexadecimal
1328c83
20
Vigesimal
65b4j7
36
Base36
bylj7
md5
c6703c0fd5677c41d098455a4a07f28c
sha1
b272a3e1151dfd0fae3596d4406e020988b85740
sha256
2ca9409061a8dfba8c29c52227564302452fa51395c1db858f738fe39ece3faa
sha512
7116474288d9e78e86f684ac465714bf3ff8ee045ca8b68922b3b83e40c56fefbf66a05c379b6f819d0e0bc05f2605d5862b6dc75ab6f76d13b01fbd299d6907
ripemd-160
b02cd18d2cb7d7fb1320e9b407a3f9f4f4b8d4b7
Diameter
40179974
Circumference
126229111.13983
Area
1.2679706009104E+15
Volume
3.3964683851562E+22
Surface area
5.0718824036414E+15
Circumference
126229111.13983
Perimeter
80359948
Area
403607577660169
Diagonal
28411532.083299
Surface area
2421645465961014
Volume
8.1084709882943E+21
Space diagonal
34796878.207398
Perimeter
60269961
Area
1.747672077068E+14
Altitude
17398439.103699
Surface area
1.747672077068E+14
Volume
9.5559247014621E+20
Height
9470510.6944331