31363881 is an odd 8-digits composite number following 31363880
and preceding 31363882 . In scientific notation, it is written as 3.1363881 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 12 positive divisors.
There are 19999144 positive integers (up to 31363881) that are relatively prime to 31363881.
31363881 has 12 divisors, whose sum is 43717968
The reverse of 31363881 is 18836313
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
thirty-one million three hundred sixty-three thousand eight hundred eighty-one
Scientific notation
3.1363881 × 10^7
Engineering notation
3.1363881 × 10^6
Prime Factorization
3 × 23 × 23 × 19763
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1363647
Product of the distinct prime numbers
The prime factorization of 31363881 is 3 × 23 × 23 × 19763.
Since it has a total of 4 prime factors.
4 , 1 , 73 , 37 , 384 , 353 , 6491 , 356 , 75412 , 97332 , 597382 , 70669 , 3383510 , 3127515 , 28408608 , 43324056 , 61808308 , 768712273 , 652478440 , 2728138393
n×2
62727762
n×3
94091643
n×4
125455524
n×5
156819405
n÷2
15681940.5
n÷3
10454627
n÷3
7840970.25
n÷5
6272776.2
n2
983693031382161
n3
3.0852431176799E+22
n4
9.6765197998983E+29
n5
3.0349321549815E+37
2 √n
5600.3465071369
3 √n
315.36241482101
4 √n
74.835462897859
5 √n
31.570827077383
1 , 3 , 23 , 69 , 529 , 1587 , 19763 , 59289 , 454549 , 1363647 , 10454627 , 31363881
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
-31363880
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 31363881 can be divided by 12 positive divisors.
The sum of these divisors (counting 31363881) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1110111101001001100101001
3
Ternary
2012000110011020
4
Quaternary
1313221030221
5
Quinary
31012121011
6
Senary
3040123053
8
Octal
167511451
10
Decimal
31363881
12
Duodecimal
a606489
16
Hexadecimal
1de9329
20
Vigesimal
9g09e1
36
Base36
io8ix
md5
676bc9cca6503a4249e3495e26950067
sha1
16b5994ac702a03b4920c5455838f4f7498099e6
sha256
0268fd756f69a065e507f7f1475be90d3d1d59b873fa4df3c707350aa51f34eb
sha512
748cb579eb3dad1b830fad4bd8bfe6bb1040e73ba0703ad7e23175ef0389ef046f86d8d4673c653b1379ca2da6766251a82db53f1d1108a288cf264c9be75998
ripemd-160
4fdc433fd33791a559d9d655216b06d0393c63a8
Diameter
62727762
Circumference
197065076.27533
Area
3.0903628007777E+15
Volume
1.2923436150722E+23
Surface area
1.2361451203111E+16
Circumference
197065076.27533
Perimeter
125455524
Area
983693031382161
Diagonal
44355225.878856
Surface area
5902158188292966
Volume
3.0852431176799E+22
Space diagonal
54323835.414544
Perimeter
94091643
Area
4.2595157735134E+14
Altitude
27161917.707272
Surface area
4.2595157735134E+14
Volume
3.6359938835343E+21
Height
14785075.292952