31191872 is an even 8-digits composite number following 31191871
and preceding 31191873 . In scientific notation, it is written as 3.1191872 × 10^7.
The sum of its digits is 32. It has a total of 8 prime factors and 28 positive divisors.
There are 14678016 positive integers (up to 31191872) that are relatively prime to 31191872.
31191872 has 28 divisors, whose sum is 65539620
The reverse of 31191872 is 27819113
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
thirty-one million one hundred ninety-one thousand eight hundred seventy-two
Scientific notation
3.1191872 × 10^7
Engineering notation
3.1191872 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 17 × 28669
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
974746
Product of the distinct prime numbers
The prime factorization of 31191872 is 2 × 2 × 2 × 2 × 2 × 2 × 17 × 28669.
Since it has a total of 8 prime factors.
2 , 8 , 50 , 77 , 863 , 389 , 3479 , 8448 , 87033 , 98326 , 44816 , 537944 , 4753231 , 4830635 , 33344554 , 50962123 , 771267141 , 28669455 , 9275254838 , 121438095
n×2
62383744
n×3
93575616
n×4
124767488
n×5
155959360
n÷2
15595936
n÷3
10397290.666667
n÷3
7797968
n÷5
6238374.4
n2
972932878864384
n3
3.0347597822129E+22
n4
9.4659838677534E+29
n5
2.9526175715703E+37
2 √n
5584.9683974039
3 √n
314.78484341542
4 √n
74.732646128743
5 √n
31.536122069583
1 , 2 , 4 , 8 , 16 , 17 , 32 , 34 , 64 , 68 , 136 , 272 , 544 , 1088 , 28669 , 57338 , 114676 , 229352 , 458704 , 487373 , 917408 , 974746 , 1834816 , 1949492 , 3898984 , 7797968 , 15595936 , 31191872
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31191871
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31191872 can be divided by 28 positive divisors.
The sum of these divisors (counting 31191872) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
1110110111111001101000000
3
Ternary
2011200201012112
4
Quaternary
1312333031000
5
Quinary
30441114442
6
Senary
3032314452
8
Octal
166771500
10
Decimal
31191872
12
Duodecimal
a542a28
16
Hexadecimal
1dbf340
20
Vigesimal
9eijdc
36
Base36
ikjsw
md5
7bb134d409295848cdf6a9e4f499163f
sha1
b1b8640d10af13ff87aa5f05dfed02a4ec8bdff4
sha256
5ea236270c9c49014335adfb92aafa3a8d3ad09e92240ed4e77a584f93de62cb
sha512
f262f532f04d6575745a4f81a98d24a62d495d479fc0fef98855cce1a0e1ae2e7572b16b4f53da9f8b88915591e02003f73c850bcb5158d6a19b7a5a82519cfc
ripemd-160
6f4d016f626d1863d668109bf4bb9caaf7baaa41
Diameter
62383744
Circumference
195984311.85383
Area
3.0565587846763E+15
Volume
1.2711972049613E+23
Surface area
1.2226235138705E+16
Circumference
195984311.85383
Perimeter
124767488
Area
972932878864384
Diagonal
44111968.418206
Surface area
5837597273186304
Volume
3.0347597822129E+22
Space diagonal
54025907.087185
Perimeter
93575616
Area
4.2129229463684E+14
Altitude
27012953.543593
Surface area
4.2129229463684E+14
Volume
3.576498702125E+21
Height
14703989.472735