30791385 is an odd 8-digits composite number following 30791384
and preceding 30791386 . In scientific notation, it is written as 3.0791385 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 16380672 positive integers (up to 30791385) that are relatively prime to 30791385.
30791385 has 16 divisors, whose sum is 41158800
The reverse of 30791385 is 58319703
Previous prime number is 617
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
thirty million seven hundred ninety-one thousand three hundred eighty-five
Scientific notation
3.0791385 × 10^7
Engineering notation
3.0791385 × 10^6
Prime Factorization
5 × 9 × 617 × 1109
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
30791385
Product of the distinct prime numbers
The prime factorization of 30791385 is 5 × 9 × 617 × 1109.
Since it has a total of 4 prime factors.
8 , 7 , 68 , 71 , 657 , 345 , 7741 , 9057 , 84525 , 64398 , 849951 , 261729 , 8489940 , 6000522 , 16537806 , 58513182 , 21782724 , 941005430 , 7239610715 , 3689912037
n×2
61582770
n×3
92374155
n×4
123165540
n×5
153956925
n÷2
15395692.5
n÷3
10263795
n÷3
7697846.25
n÷5
6158277
n2
948109390218225
n3
2.9193601256325E+22
n4
8.9891141581997E+29
n5
2.7678727485408E+37
2 √n
5548.9985582986
3 √n
313.43181289086
4 √n
74.491600588916
5 √n
31.454721535881
1 , 5 , 9 , 45 , 617 , 1109 , 3085 , 5545 , 5553 , 9981 , 27765 , 49905 , 684253 , 3421265 , 6158277 , 30791385
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
-30791384
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 30791385 can be divided by 16 positive divisors.
The sum of these divisors (counting 30791385) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110101011101011011011001
3
Ternary
2010221100211200
4
Quaternary
1311131123121
5
Quinary
30340311020
6
Senary
3015544413
8
Octal
165353331
10
Decimal
30791385
12
Duodecimal
a38b109
16
Hexadecimal
1d5d6d9
20
Vigesimal
9c8i95
36
Base36
ibys9
md5
77ef00308764c65de1fd38b6cbebdc98
sha1
4a9c101a2ef22be10333be87527a7a1436207832
sha256
5180b5e97c8e97b55c5d5e8ac89aeb6face086a65e0d13ba2fb87a95413c4d71
sha512
2a703bf4d9aa6daa5912e152cf779e7c5eb2f187c68c8039ce92bd399cd99c434023ecbadd85d47d8620534f4ae6080a24606e3b93f0cd34154db02aee0027db
ripemd-160
c89e5e1efb35f4c5a845df13dc57a20d5926b340
Diameter
61582770
Circumference
193467977.81971
Area
2.9785734951091E+15
Volume
1.2228587098493E+23
Surface area
1.1914293980436E+16
Circumference
193467977.81971
Perimeter
123165540
Area
948109390218225
Diagonal
43545594.271251
Surface area
5688656341309350
Volume
2.9193601256325E+22
Space diagonal
53332243.255414
Perimeter
92374155
Area
4.1054340874778E+14
Altitude
26666121.627707
Surface area
4.1054340874778E+14
Volume
3.4404989026005E+21
Height
14515198.090417