20187031 is an odd 8-digits composite number following 20187030
and preceding 20187032 . In scientific notation, it is written as 2.0187031 × 10^7.
The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors.
There are 19154520 positive integers (up to 20187031) that are relatively prime to 20187031.
20187031 has 8 divisors, whose sum is 21233664
The reverse of 20187031 is 13078102
Previous prime number is 127
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million one hundred eighty-seven thousand thirty-one
Scientific notation
2.0187031 × 10^7
Engineering notation
2.0187031 × 10^6
Prime Factorization
23 × 127 × 6911
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20187031
Product of the distinct prime numbers
The prime factorization of 20187031 is 23 × 127 × 6911.
Since it has a total of 3 prime factors.
6 , 2 , 84 , 33 , 697 , 648 , 9423 , 605 , 48488 , 23407 , 249497 , 288075 , 1986637 , 470040 , 11516099 , 12268952 , 996322104 , 193029128 , 744945986 , 9750702076
n×2
40374062
n×3
60561093
n×4
80748124
n×5
100935155
n÷2
10093515.5
n÷3
6729010.3333333
n÷3
5046757.75
n÷5
4037406.2
n2
407516220594961
n3
8.2265425781533E+21
n4
1.66069470048E+29
n5
3.3524495400126E+36
2 √n
4492.9979968836
3 √n
272.28527145898
4 √n
67.0298291575
5 √n
28.907763298654
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
-20187030
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 20187031 can be divided by 8 positive divisors.
The sum of these divisors (counting 20187031) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101000000011110010111
3
Ternary
1101222121101211
4
Quaternary
1031000132113
5
Quinary
20131441111
6
Senary
2000402251
8
Octal
115003627
10
Decimal
20187031
12
Duodecimal
6916387
16
Hexadecimal
1340797
20
Vigesimal
6637bb
36
Base36
c0oev
md5
ad82a4b93668fa29592692ec0af97f17
sha1
6b0cb3bf55646da56e43dd1aa24450f6fe71ce8b
sha256
55a7904e206c3f2f63a4c25eaa68740e54d7b80153f3e16da87263e2b945335e
sha512
542840cb63846a209f48576751aa3487fcd43b532f35e237857f2b5fd2724cb16674f7dcfa1d3e368625012b9cd5e65d8e81b6876a3bf23bb79e3ded41ec3271
ripemd-160
362c62d54dbf8c8289e7b7d6ec0239217131a651
Diameter
40374062
Circumference
126838856.57478
Area
1.2802499648398E+15
Volume
3.4459260970627E+22
Surface area
5.1209998593592E+15
Circumference
126838856.57478
Perimeter
80748124
Area
407516220594961
Diagonal
28548773.024246
Surface area
2445097323569766
Volume
8.2265425781533E+21
Space diagonal
34964963.345968
Perimeter
60561093
Area
1.7645969974473E+14
Altitude
17482481.672984
Surface area
1.7645969974473E+14
Volume
9.6950734045535E+20
Height
9516257.6747487