30805968 is an even 8-digits composite number following 30805967
and preceding 30805969 . In scientific notation, it is written as 3.0805968 × 10^7.
The sum of its digits is 39. It has a total of 6 prime factors and 20 positive divisors.
There are 10268640 positive integers (up to 30805968) that are relatively prime to 30805968.
30805968 has 20 divisors, whose sum is 79582208
The reverse of 30805968 is 86950803
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
thirty million eight hundred five thousand nine hundred sixty-eight
Scientific notation
3.0805968 × 10^7
Engineering notation
3.0805968 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 3 × 641791
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
3850746
Product of the distinct prime numbers
The prime factorization of 30805968 is 2 × 2 × 2 × 2 × 3 × 641791.
Since it has a total of 6 prime factors.
8 , 1 , 26 , 42 , 960 , 370 , 323 , 6282 , 60071 , 31497 , 201297 , 456193 , 3442546 , 3590588 , 84945020 , 36930040 , 452231424 , 43723400 , 8069218010 , 9612487262
n×2
61611936
n×3
92417904
n×4
123223872
n×5
154029840
n÷2
15402984
n÷3
10268656
n÷3
7701492
n÷5
6161193.6
n2
949007664417024
n3
2.9235099741786E+22
n4
9.0061554712225E+29
n5
2.7744333724951E+37
2 √n
5550.3124236389
3 √n
313.48128619575
4 √n
74.500418949418
5 √n
31.457700403709
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 48 , 641791 , 1283582 , 1925373 , 2567164 , 3850746 , 5134328 , 7701492 , 10268656 , 15402984 , 30805968
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-30805967
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 30805968 can be divided by 20 positive divisors.
The sum of these divisors (counting 30805968) is 1, the average is 0.05.
Base
System
Value
2
Binary
1110101100000111111010000
3
Ternary
2010222002211210
4
Quaternary
1311200333100
5
Quinary
30341242333
6
Senary
3020140120
8
Octal
165407720
10
Decimal
30805968
12
Duodecimal
a397640
16
Hexadecimal
1d60fd0
20
Vigesimal
9caei8
36
Base36
ica1c
md5
682358c07405e5de53588f33408e7a68
sha1
6c94222d34a146d6ca0334fb270d95272262bff5
sha256
1256764e2b5c8c454393a739a1faad15d058ec9d03b8154f4e130a8e2d1a116e
sha512
4e0cb61fedb67279981af3f8200e22c02215d124eb08cbc04e5964e4ed51a3cec9c4eab7dfd7fb86a24902f1a99145266f4818b201ebfc1baa54e6b37838338a
ripemd-160
52c6b7788f659e813f6b34be0c039e84784d0692
Diameter
61611936
Circumference
193559605.51104
Area
2.9813955067329E+15
Volume
1.2245969943434E+23
Surface area
1.1925582026932E+16
Circumference
193559605.51104
Perimeter
123223872
Area
949007664417024
Diagonal
43566217.747632
Surface area
5694045986502144
Volume
2.9235099741786E+22
Space diagonal
53357501.752341
Perimeter
92417904
Area
4.1093237288564E+14
Altitude
26678750.87617
Surface area
4.1093237288564E+14
Volume
3.4453895460136E+21
Height
14522072.582544