31243072 is an even 8-digits composite number following 31243071
and preceding 31243073 . In scientific notation, it is written as 3.1243072 × 10^7.
The sum of its digits is 22. It has a total of 8 prime factors and 28 positive divisors.
There are 13389696 positive integers (up to 31243072) that are relatively prime to 31243072.
31243072 has 28 divisors, whose sum is 70855840
The reverse of 31243072 is 27034213
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
thirty-one million two hundred forty-three thousand seventy-two
Scientific notation
3.1243072 × 10^7
Engineering notation
3.1243072 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 7 × 69739
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
976346
Product of the distinct prime numbers
The prime factorization of 31243072 is 2 × 2 × 2 × 2 × 2 × 2 × 7 × 69739.
Since it has a total of 8 prime factors.
1 , 7 , 91 , 28 , 190 , 235 , 1387 , 1787 , 28508 , 35792 , 525132 , 677472 , 2313714 , 4283476 , 31464712 , 76579795 , 706856004 , 123676547 , 7128309570 , 8071557963
n×2
62486144
n×3
93729216
n×4
124972288
n×5
156215360
n÷2
15621536
n÷3
10414357.333333
n÷3
7810768
n÷5
6248614.4
n2
976129547997184
n3
3.0497285749403E+22
n4
9.5282889447319E+29
n5
2.9769301753706E+37
2 √n
5589.5502502438
3 √n
314.95698413197
4 √n
74.763294805966
5 √n
31.546468292755
1 , 2 , 4 , 7 , 8 , 14 , 16 , 28 , 32 , 56 , 64 , 112 , 224 , 448 , 69739 , 139478 , 278956 , 488173 , 557912 , 976346 , 1115824 , 1952692 , 2231648 , 3905384 , 4463296 , 7810768 , 15621536 , 31243072
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
-31243071
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 31243072 can be divided by 28 positive divisors.
The sum of these divisors (counting 31243072) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
1110111001011101101000000
3
Ternary
2011210022102211
4
Quaternary
1313023231000
5
Quinary
30444234242
6
Senary
3033351504
8
Octal
167135500
10
Decimal
31243072
12
Duodecimal
a568594
16
Hexadecimal
1dcbb40
20
Vigesimal
9f57dc
36
Base36
ilnb4
md5
bbcc61df99624ec41f26c4f0b6d0af7a
sha1
23d6f54c219837589115e617bd6c70e659acb1f9
sha256
224188f8077c533263053cdd2a53837594930b3103c9ee3229a7549221cf84aa
sha512
89d7b99837591f2d3caff9e12b92014048d286872148d6759a717c2fb09c65a8af2d7428ec19a0f23055b23d6fc87b1ce6c925535029642703a819f15af97e6d
ripemd-160
5e4ee12b23347930899b3c027218318e46f8a3a3
Diameter
62486144
Circumference
196306010.94155
Area
3.0666014169399E+15
Volume
1.2774673181967E+23
Surface area
1.226640566776E+16
Circumference
196306010.94155
Perimeter
124972288
Area
976129547997184
Diagonal
44184376.152599
Surface area
5856777287983104
Volume
3.0497285749403E+22
Space diagonal
54114588.088533
Perimeter
93729216
Area
4.2267649297509E+14
Altitude
27057294.044266
Surface area
4.2267649297509E+14
Volume
3.5941395935312E+21
Height
14728125.3842