30805989 is an odd 8-digits composite number following 30805988
and preceding 30805990 . In scientific notation, it is written as 3.0805989 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 19208192 positive integers (up to 30805989) that are relatively prime to 30805989.
30805989 has 16 divisors, whose sum is 43763328
The reverse of 30805989 is 98950803
Previous prime number is 167
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
thirty million eight hundred five thousand nine hundred eighty-nine
Scientific notation
3.0805989 × 10^7
Engineering notation
3.0805989 × 10^6
Prime Factorization
3 × 17 × 167 × 3617
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
30805989
Product of the distinct prime numbers
The prime factorization of 30805989 is 3 × 17 × 167 × 3617.
Since it has a total of 4 prime factors.
5 , 2 , 3 , 73 , 409 , 283 , 3284 , 9305 , 3570 , 60274 , 840089 , 743541 , 4872317 , 8270788 , 31209897 , 46185920 , 841307738 , 391524502 , 7291300173 , 8959363227
n×2
61611978
n×3
92417967
n×4
123223956
n×5
154029945
n÷2
15402994.5
n÷3
10268663
n÷3
7701497.25
n÷5
6161197.8
n2
949008958268121
n3
2.9235159529309E+22
n4
9.0061800287314E+29
n5
2.7744428289712E+37
2 √n
5550.3143154239
3 √n
313.48135742768
4 √n
74.50043164589
5 √n
31.457704692563
1 , 3 , 17 , 51 , 167 , 501 , 2839 , 3617 , 8517 , 10851 , 61489 , 184467 , 604039 , 1812117 , 10268663 , 30805989
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
-30805988
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 30805989 can be divided by 16 positive divisors.
The sum of these divisors (counting 30805989) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110101100000111111100101
3
Ternary
2010222002212120
4
Quaternary
1311200333211
5
Quinary
30341242424
6
Senary
3020140153
8
Octal
165407745
10
Decimal
30805989
12
Duodecimal
a397659
16
Hexadecimal
1d60fe5
20
Vigesimal
9caej9
36
Base36
ica1x
md5
98bfb64be636f1ed50a36429b8069a4b
sha1
7467f9c1fe5cecabd908418215ac05322ce37230
sha256
ba14736ec3c1e17c4686a05538e02a6f854a7782a99eab44adfce4f2f33c9d3d
sha512
a8ead76b1312ff20752dd29f69cb3596509b43c0ecddfd90345a9a71d57a2abae5497c363a80814dfe4f092e25f14aa7a1955fe81a324c176b6ec6044e64754a
ripemd-160
796442e465bece648dd4a9da677266e4c4953234
Diameter
61611978
Circumference
193559737.45794
Area
2.981399571486E+15
Volume
1.2245994987174E+23
Surface area
1.1925598285944E+16
Circumference
193559737.45794
Perimeter
123223956
Area
949008958268121
Diagonal
43566247.446116
Surface area
5694053749608726
Volume
2.9235159529309E+22
Space diagonal
53357538.125408
Perimeter
92417967
Area
4.109329331396E+14
Altitude
26678769.062704
Surface area
4.109329331396E+14
Volume
3.4453965920408E+21
Height
14522082.482039