30147981 is an odd 8-digits composite number following 30147980
and preceding 30147982 . In scientific notation, it is written as 3.0147981 × 10^7.
The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors.
There are 20098652 positive integers (up to 30147981) that are relatively prime to 30147981.
30147981 has 4 divisors, whose sum is 40197312
The reverse of 30147981 is 18974103
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
thirty million one hundred forty-seven thousand nine hundred eighty-one
Scientific notation
3.0147981 × 10^7
Engineering notation
3.0147981 × 10^6
Prime Factorization
3 × 10049327
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
30147981
Product of the distinct prime numbers
The prime factorization of 30147981 is 3 × 10049327.
Since it has a total of 2 prime factors.
1 , 6 , 17 , 99 , 322 , 745 , 3742 , 7954 , 22560 , 44650 , 806847 , 851310 , 5194235 , 5568325 , 6026383 , 24741802 , 369522610 , 468840223 , 1695812577 , 2870607667
n×2
60295962
n×3
90443943
n×4
120591924
n×5
150739905
n÷2
15073990.5
n÷3
10049327
n÷3
7536995.25
n÷5
6029596.2
n2
908900758376361
n3
2.7401522794416E+22
n4
8.2610058857712E+29
n5
2.4905264848512E+37
2 √n
5490.7177126492
3 √n
311.23331437463
4 √n
74.099377275718
5 √n
31.322155880584
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-30147980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 30147981 can be divided by 4 positive divisors.
The sum of these divisors (counting 30147981) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110011000000010110001101
3
Ternary
2002201200020220
4
Quaternary
1303000112031
5
Quinary
30204213411
6
Senary
2554101553
8
Octal
163002615
10
Decimal
30147981
12
Duodecimal
a11a8b9
16
Hexadecimal
1cc058d
20
Vigesimal
9889j1
36
Base36
hy6bx
md5
3fa4267e53937438c9ef802424670736
sha1
245000cc424fb76d9e3bfac8f1508625193b667e
sha256
f1d64717d0120467f0f3d9f2aa47313ef099375a15290788a5addef5b0af75b4
sha512
1bb6c68a31678de043b90ab1d416dff3c42e3ead17ea6d5966b5a6eba64b85553138e561ba04341f5e9c829c77ded66d90eaa94c7fcbcbf5e0c1b51d0120c10a
ripemd-160
15cbd5cdcf7791ae8572fe65a0d85348c92f6c9c
Diameter
60295962
Circumference
189425351.26033
Area
2.8553959453574E+15
Volume
1.1477923027748E+23
Surface area
1.1421583781429E+16
Circumference
189425351.26033
Perimeter
120591924
Area
908900758376361
Diagonal
42635683.608366
Surface area
5453404550258166
Volume
2.7401522794416E+22
Space diagonal
52217834.837621
Perimeter
90443943
Area
3.9356557313644E+14
Altitude
26108917.418811
Surface area
3.9356557313644E+14
Volume
3.2293004304616E+21
Height
14211894.536122