30487749 is an odd 8-digits composite number following 30487748
and preceding 30487750 . In scientific notation, it is written as 3.0487749 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 19048448 positive integers (up to 30487749) that are relatively prime to 30487749.
30487749 has 16 divisors, whose sum is 43224192
The reverse of 30487749 is 94778403
Previous prime number is 263
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
thirty million four hundred eighty-seven thousand seven hundred forty-nine
Scientific notation
3.0487749 × 10^7
Engineering notation
3.0487749 × 10^6
Prime Factorization
3 × 17 × 263 × 2273
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
30487749
Product of the distinct prime numbers
The prime factorization of 30487749 is 3 × 17 × 263 × 2273.
Since it has a total of 4 prime factors.
2 , 8 , 84 , 16 , 393 , 152 , 564 , 2841 , 54377 , 90624 , 436797 , 348476 , 7979914 , 6771309 , 5520210 , 33154116 , 727702449 , 651805109 , 5993647983 , 4637624906
n×2
60975498
n×3
91463247
n×4
121950996
n×5
152438745
n÷2
15243874.5
n÷3
10162583
n÷3
7621937.25
n÷5
6097549.8
n2
929502839087001
n3
2.8338449252872E+22
n4
8.639755278708E+29
n5
2.6340669035867E+37
2 √n
5521.5712437675
3 √n
312.39815006203
4 √n
74.307275846767
5 √n
31.392439942122
1 , 3 , 17 , 51 , 263 , 789 , 2273 , 4471 , 6819 , 13413 , 38641 , 115923 , 597799 , 1793397 , 10162583 , 30487749
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
-30487748
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 30487749 can be divided by 16 positive divisors.
The sum of these divisors (counting 30487749) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110100010011010011000101
3
Ternary
2010100221022220
4
Quaternary
1310103103011
5
Quinary
30301101444
6
Senary
3005242553
8
Octal
164232305
10
Decimal
30487749
12
Duodecimal
a263459
16
Hexadecimal
1d134c5
20
Vigesimal
9aaj79
36
Base36
i5ghx
md5
def687d213d216171ce49b490263fed2
sha1
6d9b7a486175c0ebc4fcc7e8e89c0bed25d0bffb
sha256
a5eaf8501a55262561b310628e3905e84628cd91205a1360c410c1dbb6abf8cd
sha512
40797da2649ebae3befa690baed36dfae616ca152e384ee8f809e027bf84f60d4d4b8eed2efdc88a79a1d1e9368fd19f0926de180ce4e5bc0d057dd725206b92
ripemd-160
63217cc247bef79010bd8ee72c7c11bba7d6de86
Diameter
60975498
Circumference
191560176.56578
Area
2.9201192907666E+15
Volume
1.1870381864927E+23
Surface area
1.1680477163066E+16
Circumference
191560176.56578
Perimeter
121950996
Area
929502839087001
Diagonal
43116188.122027
Surface area
5577017034522006
Volume
2.8338449252872E+22
Space diagonal
52806330.276407
Perimeter
91463247
Area
4.0248653576955E+14
Altitude
26403165.138204
Surface area
4.0248653576955E+14
Volume
3.3397182725028E+21
Height
14372062.707342