31749968 is an even 8-digits composite number following 31749967
and preceding 31749969 . In scientific notation, it is written as 3.1749968 × 10^7.
The sum of its digits is 47. It has a total of 6 prime factors and 20 positive divisors.
There are 15575040 positive integers (up to 31749968) that are relatively prime to 31749968.
31749968 has 20 divisors, whose sum is 62677908
The reverse of 31749968 is 86994713
Previous prime number is 53
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
thirty-one million seven hundred forty-nine thousand nine hundred sixty-eight
Scientific notation
3.1749968 × 10^7
Engineering notation
3.1749968 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 53 × 37441
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
3968746
Product of the distinct prime numbers
The prime factorization of 31749968 is 2 × 2 × 2 × 2 × 53 × 37441.
Since it has a total of 6 prime factors.
1 , 2 , 27 , 2 , 946 , 537 , 7408 , 4912 , 8368 , 42950 , 701013 , 572178 , 9587982 , 7374284 , 43886534 , 97318616 , 376570688 , 468674796 , 6968904519 , 5040836365
n×2
63499936
n×3
95249904
n×4
126999872
n×5
158749840
n÷2
15874984
n÷3
10583322.666667
n÷3
7937492
n÷5
6349993.6
n2
1008060468001024
n3
3.2005887601098E+22
n4
1.0161859071464E+30
n5
3.2263870033951E+37
2 √n
5634.7109952508
3 √n
316.65117018658
4 √n
75.064712050675
5 √n
31.648174053256
1 , 2 , 4 , 8 , 16 , 53 , 106 , 212 , 424 , 848 , 37441 , 74882 , 149764 , 299528 , 599056 , 1984373 , 3968746 , 7937492 , 15874984 , 31749968
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31749967
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31749968 can be divided by 20 positive divisors.
The sum of these divisors (counting 31749968) is 1, the average is 0.05.
Base
System
Value
2
Binary
1111001000111011101010000
3
Ternary
2012202001202202
4
Quaternary
1321013131100
5
Quinary
31111444333
6
Senary
3052302332
8
Octal
171073520
10
Decimal
31749968
12
Duodecimal
a7719a8
16
Hexadecimal
1e47750
20
Vigesimal
9i8ei8
36
Base36
iwifk
md5
436972d1045d198bc6c8fada7cbff099
sha1
b50c6350a96d9301b671e2fd4d8d59a4b90e7802
sha256
183614c5f9ef2c204c022fdd2f59da1ee592fa7a8a2b305b060c791fef468544
sha512
724c96b08278fc72ed722df189886f023302f50ee5d3b5c2772bf3d98ced782db4c9b9ecccdb1bfe2e4eac1f9cc519760441009461d137f31e6e05dcb50dd72a
ripemd-160
ff6007791b845f758b6848395b6140a28e8ac0da
Diameter
63499936
Circumference
199490932.44102
Area
3.1669153606463E+15
Volume
1.3406594847897E+23
Surface area
1.2667661442585E+16
Circumference
199490932.44102
Perimeter
126999872
Area
1008060468001024
Diagonal
44901235.350512
Surface area
6048362808006144
Volume
3.2005887601098E+22
Space diagonal
54992557.714686
Perimeter
95249904
Area
4.3650298691986E+14
Altitude
27496278.857343
Surface area
4.3650298691986E+14
Volume
3.7719300267718E+21
Height
14967078.450171