30997645 is an odd 8-digits composite number following 30997644
and preceding 30997646 . In scientific notation, it is written as 3.0997645 × 10^7.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 20133792 positive integers (up to 30997645) that are relatively prime to 30997645.
30997645 has 8 divisors, whose sum is 32767200
The reverse of 30997645 is 54679903
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
thirty million nine hundred ninety-seven thousand six hundred forty-five
Scientific notation
3.0997645 × 10^7
Engineering notation
3.0997645 × 10^6
Prime Factorization
245 × 19 × 6659
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
30997645
Product of the distinct prime numbers
The prime factorization of 30997645 is 245 × 19 × 6659.
Since it has a total of 3 prime factors.
5 , 6 , 53 , 74 , 929 , 873 , 7285 , 233 , 23507 , 99377 , 303485 , 275875 , 1372255 , 3076732 , 43132775 , 41543485 , 942030464 , 89344939 , 9144474977 , 135743833
n×2
61995290
n×3
92992935
n×4
123990580
n×5
154988225
n÷2
15498822.5
n÷3
10332548.333333
n÷3
7749411.25
n÷5
6199529
n2
960853995546025
n3
2.9784211050767E+22
n4
9.2324040075676E+29
n5
2.8618278192316E+37
2 √n
5567.5528735702
3 √n
314.1301102512
4 √n
74.616036302997
5 √n
31.496749762477
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-30997644
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 30997645 can be divided by 8 positive divisors.
The sum of these divisors (counting 30997645) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110110001111110010001101
3
Ternary
2011022211202221
4
Quaternary
1312033302031
5
Quinary
30413411040
6
Senary
3024215341
8
Octal
166176215
10
Decimal
30997645
12
Duodecimal
a46a551
16
Hexadecimal
1d8fc8d
20
Vigesimal
9dee25
36
Base36
igdxp
md5
3ad876ce28996ebe8949aabdbd80ee4a
sha1
78922553bc84e721ca8e37f9ba97b36c67cc5e24
sha256
b8b2017dd3c0df86930e1c0421266d0c69b475631a469be57933567d79cc73cf
sha512
da649d0d102be8178831f485e65dd7b7401d195c83fb4f9c0cb4eb0e9ea4bc353d51c571d7b22f7f59a7b001f2bacf6187029ddbc1b49a8d82c8aee2a6c2f80c
ripemd-160
1d2fc34ce242f6401165bd912489b538abd0a862
Diameter
61995290
Circumference
194763947.62117
Area
3.0186118535798E+15
Volume
1.2475981150674E+23
Surface area
1.2074447414319E+16
Circumference
194763947.62117
Perimeter
123990580
Area
960853995546025
Diagonal
43837289.960627
Surface area
5765123973276150
Volume
2.9784211050767E+22
Space diagonal
53689496.054983
Perimeter
92992935
Area
4.1606198473532E+14
Altitude
26844748.027492
Surface area
4.1606198473532E+14
Volume
3.5101029343815E+21
Height
14612429.986876