31361284 is an even 8-digits composite number following 31361283
and preceding 31361285 . In scientific notation, it is written as 3.1361284 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors.
There are 15643400 positive integers (up to 31361284) that are relatively prime to 31361284.
31361284 has 12 divisors, whose sum is 55012608
The reverse of 31361284 is 48216313
Previous prime number is 431
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
thirty-one million three hundred sixty-one thousand two hundred eighty-four
Scientific notation
3.1361284 × 10^7
Engineering notation
3.1361284 × 10^6
Prime Factorization
2 × 2 × 431 × 18191
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
15680642
Product of the distinct prime numbers
The prime factorization of 31361284 is 2 × 2 × 431 × 18191.
Since it has a total of 4 prime factors.
10 , 6 , 30 , 31 , 830 , 412 , 9486 , 1073 , 95047 , 20529 , 142624 , 719627 , 3561145 , 5838056 , 45000609 , 39827667 , 60970713 , 982555138 , 3850567433 , 7273666369
n×2
62722568
n×3
94083852
n×4
125445136
n×5
156806420
n÷2
15680642
n÷3
10453761.333333
n÷3
7840321
n÷5
6272256.8
n2
983530134128656
n3
3.0844767858967E+22
n4
9.6733152473913E+29
n5
3.0336758669497E+37
2 √n
5600.1146416837
3 √n
315.3537103413
4 √n
74.833913713528
5 √n
31.570304232946
1 , 2 , 4 , 431 , 862 , 1724 , 18191 , 36382 , 72764 , 7840321 , 15680642 , 31361284
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31361283
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31361284 can be divided by 12 positive divisors.
The sum of these divisors (counting 31361284) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1110111101000100100000100
3
Ternary
2012000022121001
4
Quaternary
1313220210010
5
Quinary
31012030114
6
Senary
3040103044
8
Octal
167504404
10
Decimal
31361284
12
Duodecimal
a604a84
16
Hexadecimal
1de8904
20
Vigesimal
9g0344
36
Base36
io6is
md5
6d456790810f5608908d69b2874c00e1
sha1
ae3a99e5a17b309063ae2236aeca34dd44ad8dd9
sha256
e7b93d3a43619d3c74e1d51c737a387e5bd810e97408d843bb3b7281bc7a6577
sha512
8ba84a6138043d826c1fc439a809a69ce19cb1344c9f2d86aeaa96cceedea0a9e174ea821c8b23a65db8342467f2abb08a4ede760c61a579a882630a8f631840
ripemd-160
5467e20941f954a1942cd285ed1319af7ba00976
Diameter
62722568
Circumference
197048758.84309
Area
3.0898510439628E+15
Volume
1.2920226147655E+23
Surface area
1.2359404175851E+16
Circumference
197048758.84309
Perimeter
125445136
Area
983530134128656
Diagonal
44351553.166234
Surface area
5901180804771936
Volume
3.0844767858967E+22
Space diagonal
54319337.278597
Perimeter
94083852
Area
4.2588104077147E+14
Altitude
27159668.639298
Surface area
4.2588104077147E+14
Volume
3.6350907528667E+21
Height
14783851.055411