31981330 is an even 8-digits composite number following 31981329
and preceding 31981331 . In scientific notation, it is written as 3.1981330 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 12792528 positive integers (up to 31981330) that are relatively prime to 31981330.
31981330 has 8 divisors, whose sum is 57566412
The reverse of 31981330 is 03318913
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
thirty-one million nine hundred eighty-one thousand three hundred thirty
Scientific notation
3.1981330 × 10^7
Engineering notation
3.1981330 × 10^6
Prime Factorization
2 × 5 × 3198133
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
31981330
Product of the distinct prime numbers
The prime factorization of 31981330 is 2 × 5 × 3198133.
Since it has a total of 3 prime factors.
2 , 3 , 68 , 14 , 416 , 124 , 223 , 3531 , 56488 , 206 , 951192 , 707788 , 5198770 , 808960 , 78015516 , 7257142 , 492140100 , 306445820 , 6232429422 , 5816340515
n×2
63962660
n×3
95943990
n×4
127925320
n×5
159906650
n÷2
15990665
n÷3
10660443.333333
n÷3
7995332.5
n÷5
6396266
n2
1022805468568900
n3
3.2710679216107E+22
n4
1.0461310265344E+30
n5
3.3456661582837E+37
2 √n
5655.2037982729
3 √n
317.41845509521
4 √n
75.201089076375
5 √n
31.694164241238
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
-31981329
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 31981330 can be divided by 8 positive divisors.
The sum of these divisors (counting 31981330) is 1, the average is 0.125.
Base
System
Value
2
Binary
1111001111111111100010010
3
Ternary
2020011211010201
4
Quaternary
1321333330102
5
Quinary
31141400310
6
Senary
3101245414
8
Octal
171777422
10
Decimal
31981330
12
Duodecimal
a86386a
16
Hexadecimal
1e7ff12
20
Vigesimal
9jhd6a
36
Base36
j1gya
md5
fd35b85b65b5dd236ad378a87880275c
sha1
f1b2bdf1aa72805c0e55d3df568fbf4d8d629340
sha256
bee407247c5b1391aaf7967ca19e0e15d8ab56a3e9c555096439865e35ce2643
sha512
77a375d2d9bc12dcbd6c5f2559113b578343186fc77402f738367ca9a42c150c827a6461c54154b4e46f844226ff76ab6e1a3d106c879c2b7d89cfa609ccb102
ripemd-160
992a308b6a947d0845c76b9757b1a1a8da1c2f11
Diameter
63962660
Circumference
200944622.76006
Area
3.2132381461075E+15
Volume
1.3701817269234E+23
Surface area
1.285295258443E+16
Circumference
200944622.76006
Perimeter
127925320
Area
1022805468568900
Diagonal
45228430.62873
Surface area
6136832811413400
Volume
3.2710679216107E+22
Space diagonal
55393288.453627
Perimeter
95943990
Area
4.4288775945516E+14
Altitude
27696644.226813
Surface area
4.4288775945516E+14
Volume
3.8549905151545E+21
Height
15076143.54291