215087331 is an odd 9-digits composite number following 215087330
and preceding 215087332 . In scientific notation, it is written as 2.15087331 × 10^8.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 137872800 positive integers (up to 215087331) that are relatively prime to 215087331.
215087331 has 8 divisors, whose sum is 218799664
The reverse of 215087331 is 133780512
Previous prime number is 157
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 30
Digital Root 3
Name
two hundred fifteen million eighty-seven thousand three hundred thirty-one
Scientific notation
2.15087331 × 10^8
Engineering notation
2.15087331 × 10^6
Prime Factorization
93 × 157 × 14731
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
215087331
Product of the distinct prime numbers
The prime factorization of 215087331 is 93 × 157 × 14731.
Since it has a total of 3 prime factors.
1 , 7 , 33 , 77 , 118 , 652 , 6391 , 6891 , 15634 , 7755 , 289607 , 531293 , 5774205 , 1566361 , 97150536 , 24566345 , 609308024 , 691354057 , 4427724752 , 7809383067
n×2
430174662
n×3
645261993
n×4
860349324
n×5
1075436655
n÷2
107543665.5
n÷3
71695777
n÷3
53771832.75
n÷5
43017466.2
n2
46262559956703561
n3
9.9504905463148E+24
n4
2.1402244537476E+33
n5
4.603351654975E+41
2 √n
14665.855958654
3 √n
599.15374308766
4 √n
121.1026670171
5 √n
46.40053265794
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
-215087330
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 215087331 can be divided by 8 positive divisors.
The sum of these divisors (counting 215087331) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100110100011111100011100011
3
Ternary
112222201120100110
4
Quaternary
30310133203203
5
Quinary
420030243311
6
Senary
33202022403
8
Octal
1464374343
10
Decimal
215087331
12
Duodecimal
60047a03
16
Hexadecimal
cd1f8e3
20
Vigesimal
3745i6b
36
Base36
3k22g3
md5
989e15cff4bd48da6912800bc46e2166
sha1
00132df6f7ac0febf86ad9d65d1340eaaf66b024
sha256
597b4de784f109161f7f532e3354620440227c306f6bd35c20dc8197a20a9856
sha512
70e09aee4ba88fce93324672d3eb2761b3ecd8a13856c193cf3cc2405c3f55023feccd1826cc8ac5a0715d0983780aac7a3d174df070bd47be432dbb01b716be
ripemd-160
edde6ca05796756f3417dc3a8146b5ae3a3b147e
Diameter
430174662
Circumference
1351433557.8997
Area
1.4533811849624E+17
Volume
4.1680517333223E+25
Surface area
5.8135247398495E+17
Circumference
1351433557.8997
Perimeter
860349324
Area
46262559956703561
Diagonal
304179420.59483
Surface area
277575359740221366
Volume
9.9504905463148E+24
Space diagonal
372542185.35638
Perimeter
645261993
Area
2.0032276083303E+16
Altitude
186271092.67819
Surface area
2.0032276083303E+16
Volume
1.1726765569053E+24
Height
101393140.19828