30487989 is an odd 8-digits composite number following 30487988
and preceding 30487990 . In scientific notation, it is written as 3.0487989 × 10^7.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 16111872 positive integers (up to 30487989) that are relatively prime to 30487989.
30487989 has 16 divisors, whose sum is 36299648
The reverse of 30487989 is 98978403
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
thirty million four hundred eighty-seven thousand nine hundred eighty-nine
Scientific notation
3.0487989 × 10^7
Engineering notation
3.0487989 × 10^6
Prime Factorization
57 × 7 × 43 × 1777
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
30487989
Product of the distinct prime numbers
The prime factorization of 30487989 is 57 × 7 × 43 × 1777.
Since it has a total of 4 prime factors.
9 , 1 , 82 , 34 , 83 , 365 , 4210 , 2285 , 64781 , 6795 , 492075 , 273775 , 9429441 , 2299292 , 40864459 , 42457316 , 6515440 , 531565484 , 6496126870 , 2721397297
n×2
60975978
n×3
91463967
n×4
121951956
n×5
152439945
n÷2
15243994.5
n÷3
10162663
n÷3
7621997.25
n÷5
6097597.8
n2
929517473264121
n3
2.8339118500184E+22
n4
8.6400273310332E+29
n5
2.6341705822824E+37
2 √n
5521.592976669
3 √n
312.39896979413
4 √n
74.307422083322
5 √n
31.392489366315
1 , 7 , 43 , 57 , 301 , 399 , 1777 , 2451 , 12439 , 17157 , 76411 , 101289 , 534877 , 709023 , 4355427 , 30487989
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-30487988
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 30487989 can be divided by 16 positive divisors.
The sum of these divisors (counting 30487989) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110100010011010110110101
3
Ternary
2010100221122210
4
Quaternary
1310103112311
5
Quinary
30301103424
6
Senary
3005244033
8
Octal
164232665
10
Decimal
30487989
12
Duodecimal
a263619
16
Hexadecimal
1d135b5
20
Vigesimal
9aajj9
36
Base36
i5gol
md5
1f752d2154de8681339974c51c5bdb1c
sha1
93f45fa8e8607627d48f610afd0ab5e3c8050e98
sha256
183fe67a59888c75562a2b992cb0bc2177d4e42a69f78af632d1b64b81d0f5de
sha512
e81a57577042245c2fbe5e52961cb1cd2f61dd63764f1669c964e1a3a40adac727d26afc2df52fbeed1d5cbf5e5a0c8cac67b0f55f5f4656f7dfdc336bb9d164
ripemd-160
68cf2a414bef2802502b345ce8225980d581272c
Diameter
60975978
Circumference
191561684.53025
Area
2.9201652653899E+15
Volume
1.1870662198585E+23
Surface area
1.168066106156E+16
Circumference
191561684.53025
Perimeter
121951956
Area
929517473264121
Diagonal
43116527.533282
Surface area
5577104839584726
Volume
2.8339118500184E+22
Space diagonal
52806745.968601
Perimeter
91463967
Area
4.0249287255413E+14
Altitude
26403372.984301
Surface area
4.0249287255413E+14
Volume
3.3397971440549E+21
Height
14372175.844427