18561361 is an odd 8-digits composite number following 18561360
and preceding 18561362 . In scientific notation, it is written as 1.8561361 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 14685840 positive integers (up to 18561361) that are relatively prime to 18561361.
18561361 has 4 divisors, whose sum is 18765424
The reverse of 18561361 is 16316581
Previous prime number is 91
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
eighteen million five hundred sixty-one thousand three hundred sixty-one
Scientific notation
1.8561361 × 10^7
Engineering notation
1.8561361 × 10^6
Prime Factorization
91 × 203971
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
18561361
Product of the distinct prime numbers
The prime factorization of 18561361 is 91 × 203971.
Since it has a total of 2 prime factors.
5 , 2 , 96 , 77 , 479 , 642 , 4477 , 6720 , 65462 , 7849 , 263828 , 502516 , 7846707 , 3762023 , 40464506 , 29177160 , 210629534 , 440635881 , 6424851189 , 6629734187
n×2
37122722
n×3
55684083
n×4
74245444
n×5
92806805
n÷2
9280680.5
n÷3
6187120.3333333
n÷3
4640340.25
n÷5
3712272.2
n2
344524122172321
n3
6.3948366048486E+21
n4
1.1869687075861E+29
n5
2.2031754677209E+36
2 √n
4308.289799909
3 √n
264.77070946056
4 √n
65.637563939478
5 √n
28.426406584483
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
-18561360
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 18561361 can be divided by 4 positive divisors.
The sum of these divisors (counting 18561361) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000110110011100101010001
3
Ternary
1021221000101211
4
Quaternary
1012303211101
5
Quinary
14222430421
6
Senary
1501500121
8
Octal
106634521
10
Decimal
18561361
12
Duodecimal
6271641
16
Hexadecimal
11b3951
20
Vigesimal
5g0381
36
Base36
b1u1d
md5
04b05169b58daa32cf67edd5c5474774
sha1
dcdaf607caeb300e528ad48e41245a764c174cb3
sha256
be786148e891c89e998d32be3f019e2a9f8aac29398c43f65856eb01efb655e6
sha512
9a9ac316d24db8476829052ce4750e69c3578d49132d3469e4d60e478eaeaa9f9f22f5850c314c42760ebde84913d222771faa3b373c8d065799bf30ef7f19d9
ripemd-160
7b815a42664ecd62c7dd653841c7253172bacd2c
Diameter
37122722
Circumference
116624470.71646
Area
1.082354451201E+15
Volume
2.6786628931599E+22
Surface area
4.3294178048041E+15
Circumference
116624470.71646
Perimeter
74245444
Area
344524122172321
Diagonal
26249728.462303
Surface area
2067144733033926
Volume
6.3948366048486E+21
Space diagonal
32149220.309627
Perimeter
55684083
Area
1.4918332100888E+14
Altitude
16074610.154814
Surface area
1.4918332100888E+14
Volume
7.536387213114E+20
Height
8749909.4874343