30791388 is an even 8-digits composite number following 30791387
and preceding 30791389 . In scientific notation, it is written as 3.0791388 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors.
There are 9476544 positive integers (up to 30791388) that are relatively prime to 30791388.
30791388 has 24 divisors, whose sum is 71972992
The reverse of 30791388 is 88319703
Previous prime number is 667
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
thirty million seven hundred ninety-one thousand three hundred eighty-eight
Scientific notation
3.0791388 × 10^7
Engineering notation
3.0791388 × 10^6
Prime Factorization
2 × 2 × 3 × 667 × 3847
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
15395694
Product of the distinct prime numbers
The prime factorization of 30791388 is 2 × 2 × 3 × 667 × 3847.
Since it has a total of 5 prime factors.
1 , 1 , 75 , 75 , 232 , 878 , 1179 , 4264 , 58174 , 3534 , 915133 , 304616 , 3687207 , 1017943 , 72785241 , 1915457 , 886204072 , 82468108 , 2263465882 , 9887900159
n×2
61582776
n×3
92374164
n×4
123165552
n×5
153956940
n÷2
15395694
n÷3
10263796
n÷3
7697847
n÷5
6158277.6
n2
948109574966544
n3
2.919360978931E+22
n4
8.9891176614324E+29
n5
2.7678740969082E+37
2 √n
5548.9988286176
3 √n
313.43182307007
4 √n
74.491602403342
5 √n
31.454722148807
1 , 2 , 3 , 4 , 6 , 12 , 667 , 1334 , 2001 , 2668 , 3847 , 4002 , 7694 , 8004 , 11541 , 15388 , 23082 , 46164 , 2565949 , 5131898 , 7697847 , 10263796 , 15395694 , 30791388
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-30791387
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 30791388 can be divided by 24 positive divisors.
The sum of these divisors (counting 30791388) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1110101011101011011011100
3
Ternary
2010221100211210
4
Quaternary
1311131123130
5
Quinary
30340311023
6
Senary
3015544420
8
Octal
165353334
10
Decimal
30791388
12
Duodecimal
a38b110
16
Hexadecimal
1d5d6dc
20
Vigesimal
9c8i98
36
Base36
ibysc
md5
c61eca2f56ec33a010093dd91c94e58a
sha1
84ad263a5ea57748cb25eb65cb41b86461369f06
sha256
e52411642dff8ef1b2b683a920631182d605fe35743fb8d1903f48a77588f7c1
sha512
c1dffa3120a486e16feba8eab22b7cf642e0183bf226bfc65461de3855574cae4e7a8964eb266fd5e6cae85f9a2474fffb6dab5ba3cd6f396564604fd64c4d22
ripemd-160
7484418f1c106ff0547f9a47205daf23a75223f7
Diameter
61582776
Circumference
193467996.66927
Area
2.978574075513E+15
Volume
1.2228590672782E+23
Surface area
1.1914296302052E+16
Circumference
193467996.66927
Perimeter
123165552
Area
948109574966544
Diagonal
43545598.513892
Surface area
5688657449799264
Volume
2.919360978931E+22
Space diagonal
53332248.451567
Perimeter
92374164
Area
4.1054348874615E+14
Altitude
26666124.225783
Surface area
4.1054348874615E+14
Volume
3.4404999082225E+21
Height
14515199.504631