20136987 is an odd 8-digits composite number following 20136986
and preceding 20136988 . In scientific notation, it is written as 2.0136987 × 10^7.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 12270528 positive integers (up to 20136987) that are relatively prime to 20136987.
20136987 has 8 divisors, whose sum is 24095680
The reverse of 20136987 is 78963102
Previous prime number is 172111
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million one hundred thirty-six thousand nine hundred eighty-seven
Scientific notation
2.0136987 × 10^7
Engineering notation
2.0136987 × 10^6
Prime Factorization
9 × 172111 × 13
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20136987
Product of the distinct prime numbers
The prime factorization of 20136987 is 9 × 172111 × 13.
Since it has a total of 3 prime factors.
10 , 7 , 13 , 41 , 984 , 324 , 4563 , 6773 , 44145 , 24880 , 933398 , 329091 , 9360902 , 1240499 , 69791352 , 87220823 , 44476547 , 224199450 , 9479573372 , 9682170624
n×2
40273974
n×3
60410961
n×4
80547948
n×5
100684935
n÷2
10068493.5
n÷3
6712329
n÷3
5034246.75
n÷5
4027397.4
n2
405498245438169
n3
8.1655128969112E+21
n4
1.6442882705343E+29
n5
3.3111011528002E+36
2 √n
4487.4254311353
3 √n
272.06008530594
4 √n
66.988248455496
5 √n
28.893416495876
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
-20136986
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 20136987 can be divided by 8 positive divisors.
The sum of these divisors (counting 20136987) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110100010000011011
3
Ternary
1101220001202100
4
Quaternary
1030310100123
5
Quinary
20123340422
6
Senary
1555334443
8
Octal
114642033
10
Decimal
20136987
12
Duodecimal
68b1423
16
Hexadecimal
133441b
20
Vigesimal
65h297
36
Base36
bzlsr
md5
f0f02c6f7523e9aacc94f2b79a1eb282
sha1
034472ed58065132eb8a4b2277cf04793bfe57f1
sha256
54184473609c5858c779c763050d63567677eb469eb038b0973e240d836a5a65
sha512
094ee38befc20f0ec4332665baf2680a70c0c959d8d6e7cc118cfe7642c5413736b779e49b71e94722d72f8766d8c46b6ce82eb0c7b72d3edb4c4913b75d1331
ripemd-160
7e7d15202cb34830fe2087571891b9bfad47d50c
Diameter
40273974
Circumference
126524420.84927
Area
1.2739103089121E+15
Volume
3.4203620439639E+22
Surface area
5.0956412356484E+15
Circumference
126524420.84927
Perimeter
80547948
Area
405498245438169
Diagonal
28478000.120731
Surface area
2432989472629014
Volume
8.1655128969112E+21
Space diagonal
34878284.595354
Perimeter
60410961
Area
1.7558589086974E+14
Altitude
17439142.297677
Surface area
1.7558589086974E+14
Volume
9.6231492354536E+20
Height
9492666.7069102