30887968 is an even 8-digits composite number following 30887967
and preceding 30887969 . In scientific notation, it is written as 3.0887968 × 10^7.
The sum of its digits is 49. It has a total of 6 prime factors and 12 positive divisors.
There are 15443968 positive integers (up to 30887968) that are relatively prime to 30887968.
30887968 has 12 divisors, whose sum is 60810750
The reverse of 30887968 is 86978803
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 49
Digital Root 4
Name
thirty million eight hundred eighty-seven thousand nine hundred sixty-eight
Scientific notation
3.0887968 × 10^7
Engineering notation
3.0887968 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 965249
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
1930498
Product of the distinct prime numbers
The prime factorization of 30887968 is 2 × 2 × 2 × 2 × 2 × 965249.
Since it has a total of 6 prime factors.
1 , 7 , 46 , 71 , 784 , 978 , 5069 , 8853 , 52191 , 76132 , 419061 , 792548 , 6507945 , 4847487 , 74150358 , 16244294 , 295350595 , 794723514 , 9454990935 , 8152308829
n×2
61775936
n×3
92663904
n×4
123551872
n×5
154439840
n÷2
15443984
n÷3
10295989.333333
n÷3
7721992
n÷5
6177593.6
n2
954066567169024
n3
2.9469177596587E+22
n4
9.1024301458969E+29
n5
2.811555710687E+37
2 √n
5557.6944860257
3 √n
313.75918355367
4 √n
74.549946250991
5 √n
31.47442956028
1 , 2 , 4 , 8 , 16 , 32 , 965249 , 1930498 , 3860996 , 7721992 , 15443984 , 30887968
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
-30887967
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 30887968 can be divided by 12 positive divisors.
The sum of these divisors (counting 30887968) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1110101110101000000100000
3
Ternary
2011010021022211
4
Quaternary
1311311000200
5
Quinary
30401403333
6
Senary
3022011504
8
Octal
165650040
10
Decimal
30887968
12
Duodecimal
a416b94
16
Hexadecimal
1d75020
20
Vigesimal
9d0ji8
36
Base36
ie1b4
md5
97feb66dc5622225da13eb844ad9b4b2
sha1
f3906c7afd24f9c4a298d4633a6bba81efe89101
sha256
dbb9aebce0f3b069822caf2da36ba694f1d87f290f6d835e12aeba4b71092bfa
sha512
e135ce33cb1d67133e2fc4d11c28bbbbf3018a38e5be4e8e6febf9cbb1a20b1e696f01eda35c829bf5b4ec309bb7d7696529d78ce8060fd8ee80f1564ffefb1b
ripemd-160
13f1690a35a999816a0aa4cafe0440ec80741386
Diameter
61775936
Circumference
194074826.70623
Area
2.9972885184538E+15
Volume
1.2344020245969E+23
Surface area
1.1989154073815E+16
Circumference
194074826.70623
Perimeter
123551872
Area
954066567169024
Diagonal
43682183.259746
Surface area
5724399403014144
Volume
2.9469177596587E+22
Space diagonal
53499529.918562
Perimeter
92663904
Area
4.1312294203489E+14
Altitude
26749764.959281
Surface area
4.1312294203489E+14
Volume
3.4729758857562E+21
Height
14560727.753249