185440385 is an odd 9-digits composite number following 185440384
and preceding 185440386 . In scientific notation, it is written as 1.85440385 × 10^8.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 136774848 positive integers (up to 185440385) that are relatively prime to 185440385.
185440385 has 16 divisors, whose sum is 239936256
The reverse of 185440385 is 583044581
Previous prime number is 2087
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred eighty-five million four hundred forty thousand three hundred eighty-five
Scientific notation
1.85440385 × 10^8
Engineering notation
1.85440385 × 10^6
Prime Factorization
5 × 13 × 2087 × 1367
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
185440385
Product of the distinct prime numbers
The prime factorization of 185440385 is 5 × 13 × 2087 × 1367.
Since it has a total of 4 prime factors.
3 , 2 , 9 , 22 , 894 , 594 , 1528 , 8848 , 96530 , 78613 , 627005 , 323181 , 5832738 , 3523692 , 56720107 , 39339585 , 678040409 , 312008757 , 4160283251 , 1272945409
n×2
370880770
n×3
556321155
n×4
741761540
n×5
927201925
n÷2
92720192.5
n÷3
61813461.666667
n÷3
46360096.25
n÷5
37088077
n2
34388136388948225
n3
6.3769492513991E+24
n4
1.1825439243049E+33
n5
2.1929140060251E+41
2 √n
13617.649760513
3 √n
570.25369336977
4 √n
116.69468608516
5 √n
45.044405979103
1 , 5 , 13 , 65 , 1367 , 2087 , 6835 , 10435 , 17771 , 27131 , 88855 , 135655 , 2852929 , 14264645 , 37088077 , 185440385
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-185440384
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 185440385 can be divided by 16 positive divisors.
The sum of these divisors (counting 185440385) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1011000011011001100010000001
3
Ternary
110220221100101102
4
Quaternary
23003121202001
5
Quinary
334433043020
6
Senary
30222344145
8
Octal
1303314201
10
Decimal
185440385
12
Duodecimal
5212b055
16
Hexadecimal
b0d9881
20
Vigesimal
2hj00j5
36
Base36
32empt
md5
af7d3faab5344366ed6707b9fb6d4e46
sha1
6e0650ec15c744cdef7f7ba04ce972d7d04f276f
sha256
ed1cb164f28083a1b3f987a0c71d4d64a30b5a5860030d4136baafe11ec2a6da
sha512
c2ac1b1e14cb7b08acf5bd67bf5d72c5dfd6eb18f3501755568737e28e2d1458c1a275b37fd0ca6fcde2c384822e559c77db98a7d6d664aee89f8ea7176574f1
ripemd-160
35960e187618381038a7495604c7f0ccad537c8c
Diameter
370880770
Circumference
1165156302.3897
Area
1.0803351665016E+17
Volume
2.671170256068E+25
Surface area
4.3213406660065E+17
Circumference
1165156302.3897
Perimeter
741761540
Area
34388136388948225
Diagonal
262252307.47869
Surface area
206328818333689350
Volume
6.3769492513991E+24
Space diagonal
321192168.59513
Perimeter
556321155
Area
1.4890499850817E+16
Altitude
160596084.29757
Surface area
1.4890499850817E+16
Volume
7.5153067649113E+23
Height
87417435.826229