20367987 is an odd 8-digits composite number following 20367986
and preceding 20367988 . In scientific notation, it is written as 2.0367987 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 13547520 positive integers (up to 20367987) that are relatively prime to 20367987.
20367987 has 8 divisors, whose sum is 27219600
The reverse of 20367987 is 78976302
Previous prime number is 449
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty million three hundred sixty-seven thousand nine hundred eighty-seven
Scientific notation
2.0367987 × 10^7
Engineering notation
2.0367987 × 10^6
Prime Factorization
3 × 449 × 15121
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20367987
Product of the distinct prime numbers
The prime factorization of 20367987 is 3 × 449 × 15121.
Since it has a total of 3 prime factors.
2 , 2 , 52 , 47 , 321 , 52 , 9358 , 9084 , 16450 , 31584 , 487421 , 986712 , 3522075 , 5921102 , 96248927 , 77169950 , 884932679 , 473099275 , 2758809928 , 3794016888
n×2
40735974
n×3
61103961
n×4
81471948
n×5
101839935
n÷2
10183993.5
n÷3
6789329
n÷3
5091996.75
n÷5
4073597.4
n2
414854894432169
n3
8.4497590966808E+21
n4
1.7210458343433E+29
n5
3.5054239180308E+36
2 √n
4513.0906261674
3 √n
273.09643844274
4 √n
67.179540234862
5 √n
28.959404147964
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
-20367986
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 20367987 can be divided by 8 positive divisors.
The sum of these divisors (counting 20367987) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101101100101001110011
3
Ternary
1102022210121220
4
Quaternary
1031230221303
5
Quinary
20203233422
6
Senary
2004320123
8
Octal
115545163
10
Decimal
20367987
12
Duodecimal
69a3043
16
Hexadecimal
136ca73
20
Vigesimal
675jj7
36
Base36
c4k1f
md5
51e8d8aa376ec219f783e81737e8fb27
sha1
6588cc00ae0badc9222341ff91ad1e8e6b928201
sha256
e17847246627b865a337e85314c573ea6169927d3a1e175b577b64385435472f
sha512
777d700aaf1a316d92c0ffab671f59e2ffe197a5f1667f9aabcf0759e3b2320d1cb7624ba9408205921e67681f05d31bf7fb3ee62a951639a629a98ced53a6ee
ripemd-160
761f845cb17ebc700c1fc38c0cdab10dbe598d76
Diameter
40735974
Circumference
127975836.65522
Area
1.3033050886539E+15
Volume
3.5394268136981E+22
Surface area
5.2132203546155E+15
Circumference
127975836.65522
Perimeter
81471948
Area
414854894432169
Diagonal
28804683.453639
Surface area
2489129366593014
Volume
8.4497590966808E+21
Space diagonal
35278388.331902
Perimeter
61103961
Area
1.7963743873128E+14
Altitude
17639194.165951
Surface area
1.7963743873128E+14
Volume
9.9581365944262E+20
Height
9601561.151213