18088921 is an odd 8-digits prime number following 18088920
and preceding 18088922 . In scientific notation, it is written as 1.8088921 × 10^7.
The sum of its digits is 37. It has a total of 1 prime factors and 2 positive divisors.
There are 18088920 positive integers (up to 18088921) that are relatively prime to 18088921.
18088921 has 2 divisors, whose sum is 18088922
The reverse of 18088921 is 12988081
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
eighteen million eighty-eight thousand nine hundred twenty-one
Scientific notation
1.8088921 × 10^7
Engineering notation
1.8088921 × 10^6
Prime Factorization
18088921
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
18088921
Product of the distinct prime numbers
The prime factorization of 18088921 is 18088921.
Since it has a total of 1 prime factors.
6 , 4 , 4 , 10 , 380 , 687 , 6945 , 2393 , 21043 , 39548 , 88063 , 907549 , 6073957 , 504917 , 84966768 , 62263302 , 764269549 , 336279520 , 9815434837 , 1584332787
n×2
36177842
n×3
54266763
n×4
72355684
n×5
90444605
n÷2
9044460.5
n÷3
6029640.3333333
n÷3
4522230.25
n÷5
3617784.2
n2
327209062944241
n3
5.9188588900824E+21
n4
1.0706577087285E+29
n5
1.9367042711231E+36
2 √n
4253.1072170826
3 √n
262.50498433468
4 √n
65.21585096495
5 √n
28.2802036407
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
18088922
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
9044461
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4253.1073346437
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999998894351
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18088921 can be divided by 2 positive divisors.
The sum of these divisors (counting 18088921) is 18088922, the average is 9044461.
Base
System
Value
2
Binary
1000101000000001111011001
3
Ternary
1021001000100001
4
Quaternary
1011000033121
5
Quinary
14112321141
6
Senary
1443413001
8
Octal
105001731
10
Decimal
18088921
12
Duodecimal
6084161
16
Hexadecimal
11403d9
20
Vigesimal
5d1261
36
Base36
arpi1
md5
b3e6e5ed2456b83037b7f24bf2b5401e
sha1
3f23fb01565e9867fa6ad012a245a932c8f0af0f
sha256
f2af1d3906751b18ca5605fde189d65a6779dc916bc10f0afde696e0ce492e94
sha512
24f04ed1582801eb3aa5da70ab31f0e74574a7a78ebcee2b8dc3cd30b673c7fe66c307ea212059144a70417a9702af79e73bbd1851ab23e72c4e5b83ca4b8cea
ripemd-160
0ec6aadac3194d0de7f6b22609a87520a61df7e7
Diameter
36177842
Circumference
113656042.64993
Area
1.0279575883336E+15
Volume
2.479285814229E+22
Surface area
4.1118303533345E+15
Circumference
113656042.64993
Perimeter
72355684
Area
327209062944241
Diagonal
25581597.406895
Surface area
1963254377665446
Volume
5.9188588900824E+21
Space diagonal
31330930.2261
Perimeter
54266763
Area
1.4168568042911E+14
Altitude
15665465.11305
Surface area
1.4168568042911E+14
Volume
6.9754420967726E+20
Height
8527199.1356318