31217 is an odd 5-digits composite number following 31216
and preceding 31218 . In scientific notation, it is written as 3.1217 × 10^4.
The sum of its digits is 14. It has a total of 3 prime factors and 8 positive divisors.
There are 28080 positive integers (up to 31217) that are relatively prime to 31217.
31217 has 8 divisors, whose sum is 34560
The reverse of 31217 is 71213
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 14
Digital Root 5
Name
thirty-one thousand two hundred seventeen
Scientific notation
3.1217 × 10^4
Engineering notation
3.1217 × 10^3
Prime Factorization
53 × 19 × 31
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
31217
Product of the distinct prime numbers
The prime factorization of 31217 is 53 × 19 × 31.
Since it has a total of 3 prime factors.
8 , 4 , 29 , 53 , 850 , 82 , 459 , 6583 , 7847 , 96495 , 439364 , 871080 , 1778302 , 7474428 , 31019642 , 57001241 , 647561146 , 282500773 , 1519701949 , 3695079686
n×2
62434
n×3
93651
n×4
124868
n×5
156085
n÷2
15608.5
n÷3
10405.666666667
n÷3
7804.25
n÷5
6243.4
n2
974501089
n3
30421000495313
n4
949652372462185921
n5
2.9645298111152E+22
2 √n
176.68333254724
3 √n
31.48693503711
4 √n
13.292228276224
5 √n
7.9227916076975
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
-31216
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 31217 can be divided by 8 positive divisors.
The sum of these divisors (counting 31217) is 1, the average is 0.125.
Base
System
Value
2
Binary
111100111110001
3
Ternary
1120211012
4
Quaternary
13213301
5
Quinary
1444332
6
Senary
400305
8
Octal
74761
10
Decimal
31217
12
Duodecimal
16095
16
Hexadecimal
79f1
20
Vigesimal
3i0h
36
Base36
o35
md5
1020437f3495ce43edc5a85208ee60cf
sha1
2664e35a233a54bab0250a3d9308f71ecc610a23
sha256
b505fa10b3733eb188bf49567d891037da01e6bc7c094cc3f57507d116dbbdd3
sha512
1f880b5c696a62ed87140ea0dfb6e20d863a7bb30a65803e2e004a5e9148c5dfd07e3a1d76dcbbcfc7880d013ee8a5cb75c8b7a99a40de28635fc6dc6d675d15
ripemd-160
7c52fe3478f53a7e0f3780bbd961036fa2bb0281
Diameter
62434
Circumference
196142.19573423
Area
3061485462.1177
Volume
1.2742718889457E+14
Surface area
12245941848.471
Circumference
196142.19573423
Perimeter
124868
Area
974501089
Diagonal
44147.504776601
Surface area
5847006534
Volume
30421000495313
Space diagonal
54069.430059878
Perimeter
93651
Area
421971349.5448
Altitude
27034.715029939
Surface area
421971349.5448
Volume
3585149290119.2
Height
14715.834925534