31191216 is an even 8-digits composite number following 31191215
and preceding 31191217 . In scientific notation, it is written as 3.1191216 × 10^7.
The sum of its digits is 24. It has a total of 6 prime factors and 20 positive divisors.
There are 8911680 positive integers (up to 31191216) that are relatively prime to 31191216.
31191216 has 20 divisors, whose sum is 63311424
The reverse of 31191216 is 61219113
Previous prime number is 21
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
thirty-one million one hundred ninety-one thousand two hundred sixteen
Scientific notation
3.1191216 × 10^7
Engineering notation
3.1191216 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 21 × 92831
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
3898902
Product of the distinct prime numbers
The prime factorization of 31191216 is 2 × 2 × 2 × 2 × 21 × 92831.
Since it has a total of 6 prime factors.
7 , 3 , 26 , 58 , 387 , 978 , 1607 , 8021 , 96374 , 47330 , 691915 , 488409 , 5724771 , 512214 , 31922569 , 4895433 , 296236243 , 480758447 , 9019904972 , 3907068727
n×2
62382432
n×3
93573648
n×4
124764864
n×5
155956080
n÷2
15595608
n÷3
10397072
n÷3
7797804
n÷5
6238243.2
n2
972891955558656
n3
3.0345683130492E+22
n4
9.4651875719075E+29
n5
2.9523071003588E+37
2 √n
5584.9096680251
3 √n
314.78263664068
4 √n
74.732253197833
5 √n
31.535989420475
1 , 2 , 4 , 8 , 16 , 21 , 42 , 84 , 168 , 336 , 92831 , 185662 , 371324 , 742648 , 1485296 , 1949451 , 3898902 , 7797804 , 15595608 , 31191216
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31191215
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31191216 can be divided by 20 positive divisors.
The sum of these divisors (counting 31191216) is 1, the average is 0.05.
Base
System
Value
2
Binary
1110110111111000010110000
3
Ternary
2011200200022020
4
Quaternary
1312333002300
5
Quinary
30441104331
6
Senary
3032311440
8
Octal
166770260
10
Decimal
31191216
12
Duodecimal
a542580
16
Hexadecimal
1dbf0b0
20
Vigesimal
9eii0g
36
Base36
ikjao
md5
bab6e8ece4618e87c0d846e9aa3e4f17
sha1
922503ea75606725d9b630dfd98407a34fc49afc
sha256
f071987db8789941f227e3f226b26682ff08e776c5ee8b5d3d25265c1ec995fb
sha512
c20b34a6eac06f6c21283fedbfef09e687670eb2ff290417fce8056e144c11cf3a9b3a9f81d0ab384a4033e8084c824b9165a70de37b4efac85a82f5077ba251
ripemd-160
a6501f0f0f782e4297568e842241b50813c12795
Diameter
62382432
Circumference
195980190.08426
Area
3.0564302203197E+15
Volume
1.2711170025456E+23
Surface area
1.2225720881279E+16
Circumference
195980190.08426
Perimeter
124764864
Area
972891955558656
Diagonal
44111040.694109
Surface area
5837351733351936
Volume
3.0345683130492E+22
Space diagonal
54024770.861855
Perimeter
93573648
Area
4.2127457432566E+14
Altitude
27012385.430928
Surface area
4.2127457432566E+14
Volume
3.5762730535516E+21
Height
14703680.23137