31191292 is an even 8-digits composite number following 31191291
and preceding 31191293 . In scientific notation, it is written as 3.1191292 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors.
There are 14177840 positive integers (up to 31191292) that are relatively prime to 31191292.
31191292 has 12 divisors, whose sum is 59547096
The reverse of 31191292 is 29219113
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
thirty-one million one hundred ninety-one thousand two hundred ninety-two
Scientific notation
3.1191292 × 10^7
Engineering notation
3.1191292 × 10^6
Prime Factorization
2 × 2 × 11 × 708893
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
15595646
Product of the distinct prime numbers
The prime factorization of 31191292 is 2 × 2 × 11 × 708893.
Since it has a total of 4 prime factors.
6 , 10 , 3 , 87 , 324 , 914 , 6328 , 1743 , 83984 , 17812 , 195297 , 5158 , 1679623 , 8998306 , 39688568 , 85042532 , 691658379 , 6562310 , 1768200260 , 9213955976
n×2
62382584
n×3
93573876
n×4
124765168
n×5
155956460
n÷2
15595646
n÷3
10397097.333333
n÷3
7797823
n÷5
6238258.4
n2
972896696629264
n3
3.0345904950399E+22
n4
9.4652798231213E+29
n5
2.9523430682469E+37
2 √n
5584.9164720701
3 √n
314.78289230519
4 √n
74.732298720634
5 √n
31.536004788473
1 , 2 , 4 , 11 , 22 , 44 , 708893 , 1417786 , 2835572 , 7797823 , 15595646 , 31191292
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
-31191291
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 31191292 can be divided by 12 positive divisors.
The sum of these divisors (counting 31191292) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1110110111111000011111100
3
Ternary
2011200200102001
4
Quaternary
1312333003330
5
Quinary
30441110132
6
Senary
3032312044
8
Octal
166770374
10
Decimal
31191292
12
Duodecimal
a542624
16
Hexadecimal
1dbf0fc
20
Vigesimal
9eii4c
36
Base36
ikjcs
md5
4671ef4923586f439896a57e76d987f5
sha1
8bd066e7dee343d978d092c53cf243816d497ec3
sha256
b47bcf677d34c99c44e238bdd23d5d37f620c2689edd68b78cbc612ad41bcec4
sha512
31c470d8543ccae2345c1d5834172c9ea6a67194e642b827ef33203fd268c90fb1dc3668bcde81cade000cda56e65c5f2d1990e782c08e3cdd1bbf93d397609c
ripemd-160
91846aa5ac6d0fe736d34bade2e4b980b2888654
Diameter
62382584
Circumference
195980667.60635
Area
3.0564451148323E+15
Volume
1.2711262941161E+23
Surface area
1.2225780459329E+16
Circumference
195980667.60635
Perimeter
124765168
Area
972896696629264
Diagonal
44111148.174339
Surface area
5837380179775584
Volume
3.0345904950399E+22
Space diagonal
54024902.497717
Perimeter
93573876
Area
4.2127662726945E+14
Altitude
27012451.248858
Surface area
4.2127662726945E+14
Volume
3.5762991952782E+21
Height
14703716.058113