30487949 is an odd 8-digits composite number following 30487948
and preceding 30487950 . In scientific notation, it is written as 3.0487949 × 10^7.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 29077840 positive integers (up to 30487949) that are relatively prime to 30487949.
30487949 has 8 divisors, whose sum is 31905792
The reverse of 30487949 is 94978403
Previous prime number is 3461
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
thirty million four hundred eighty-seven thousand nine hundred forty-nine
Scientific notation
3.0487949 × 10^7
Engineering notation
3.0487949 × 10^6
Prime Factorization
23 × 3461 × 383
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
30487949
Product of the distinct prime numbers
The prime factorization of 30487949 is 23 × 3461 × 383.
Since it has a total of 3 prime factors.
5 , 4 , 23 , 34 , 933 , 642 , 6508 , 7983 , 12875 , 82333 , 290860 , 205889 , 2033758 , 2653356 , 85494129 , 34740040 , 971197527 , 262224773 , 2618274818 , 5110848891
n×2
60975898
n×3
91463847
n×4
121951796
n×5
152439745
n÷2
15243974.5
n÷3
10162649.666667
n÷3
7621987.25
n÷5
6097589.8
n2
929515034226601
n3
2.8339006958234E+22
n4
8.6399819885328E+29
n5
2.6341533022731E+37
2 √n
5521.5893545247
3 √n
312.39883317241
4 √n
74.307397710623
5 √n
31.392481128971
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
-30487948
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 30487949 can be divided by 8 positive divisors.
The sum of these divisors (counting 30487949) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110100010011010110001101
3
Ternary
2010100221121022
4
Quaternary
1310103112031
5
Quinary
30301103244
6
Senary
3005243525
8
Octal
164232615
10
Decimal
30487949
12
Duodecimal
a2635a5
16
Hexadecimal
1d1358d
20
Vigesimal
9aajh9
36
Base36
i5gnh
md5
40f62c8ac535b7174781f93594047fde
sha1
e9062ff6771204c7aab54b7e2be1973fb1e35449
sha256
04d63ae4c1644b1cb7a8aca189ac266ee0c2c6e4387f651aa57cb2fc70e502d2
sha512
aad9efb091020b1bb58e07777f07161f9b57e6303c9776c7f48608398d035b3f11038c90b1c3fbe63e0c6bba4aad89ec4de9ef20719ed7a266a49c6aa1f8ad93
ripemd-160
09b7c755f868ac5e38d7cbad3b720476cf1e916e
Diameter
60975898
Circumference
191561433.20284
Area
2.9201576029276E+15
Volume
1.1870615476002E+23
Surface area
1.168063041171E+16
Circumference
191561433.20284
Perimeter
121951796
Area
929515034226601
Diagonal
43116470.964739
Surface area
5577090205359606
Volume
2.8339006958234E+22
Space diagonal
52806676.686569
Perimeter
91463847
Area
4.024918164199E+14
Altitude
26403338.343284
Surface area
4.024918164199E+14
Volume
3.33978399871E+21
Height
14372156.988246