30871284 is an even 8-digits composite number following 30871283
and preceding 30871285 . In scientific notation, it is written as 3.0871284 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 12 positive divisors.
There are 10290424 positive integers (up to 30871284) that are relatively prime to 30871284.
30871284 has 12 divisors, whose sum is 72033024
The reverse of 30871284 is 48217803
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
thirty million eight hundred seventy-one thousand two hundred eighty-four
Scientific notation
3.0871284 × 10^7
Engineering notation
3.0871284 × 10^6
Prime Factorization
2 × 2 × 3 × 2572607
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
15435642
Product of the distinct prime numbers
The prime factorization of 30871284 is 2 × 2 × 3 × 2572607.
Since it has a total of 4 prime factors.
7 , 6 , 93 , 67 , 852 , 517 , 4801 , 9822 , 80807 , 47265 , 488539 , 606926 , 8692228 , 4576227 , 2695204 , 63644087 , 431467274 , 626996508 , 2542617521 , 1683163672
n×2
61742568
n×3
92613852
n×4
123485136
n×5
154356420
n÷2
15435642
n÷3
10290428
n÷3
7717821
n÷5
6174256.8
n2
953036175808656
n3
2.9421450445663E+22
n4
9.0827795239999E+29
n5
2.8039706619478E+37
2 √n
5556.193301173
3 √n
313.70268149855
4 √n
74.539877254883
5 √n
31.471028670484
1 , 2 , 3 , 4 , 6 , 12 , 2572607 , 5145214 , 7717821 , 10290428 , 15435642 , 30871284
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
-30871283
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 30871284 can be divided by 12 positive divisors.
The sum of these divisors (counting 30871284) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1110101110000111011110100
3
Ternary
2011002102102220
4
Quaternary
1311300323310
5
Quinary
30400340114
6
Senary
3021402340
8
Octal
165607364
10
Decimal
30871284
12
Duodecimal
a4093b0
16
Hexadecimal
1d70ef4
20
Vigesimal
9cii44
36
Base36
idofo
md5
6c3c2a600280cbd606840eb3dbcdda88
sha1
c21c20a450aa3bbd1cde97d4411ff4a9682efbf0
sha256
c37f5a06206da166ee8e22e56991a1f10c3a483c09fa17c815f1cce7166f2283
sha512
acf3a939fa34534fbfa454f457b82a102fb408ecc27f842f769be915dffa45dc3afbfaa539d531894d116810c9b1284eaba9fbf9157ff9fae995b7ddfc10c45d
ripemd-160
03fec1edfcf44fa367638883314486e35733e126
Diameter
61742568
Circumference
193969998.04257
Area
2.9940514485258E+15
Volume
1.232402834374E+23
Surface area
1.1976205794103E+16
Circumference
193969998.04257
Perimeter
123485136
Area
953036175808656
Diagonal
43658588.520672
Surface area
5718217054851936
Volume
2.9421450445663E+22
Space diagonal
53470632.382888
Perimeter
92613852
Area
4.1267676948793E+14
Altitude
26735316.191444
Surface area
4.1267676948793E+14
Volume
3.4673511870787E+21
Height
14552862.840224