30831490 is an even 8-digits composite number following 30831489
and preceding 30831491 . In scientific notation, it is written as 3.0831490 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors.
There are 11620224 positive integers (up to 30831490) that are relatively prime to 30831490.
30831490 has 16 divisors, whose sum is 46987776
The reverse of 30831490 is 09413803
Previous prime number is 263
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
thirty million eight hundred thirty-one thousand four hundred ninety
Scientific notation
3.0831490 × 10^7
Engineering notation
3.0831490 × 10^6
Prime Factorization
2 × 95 × 263 × 617
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
30831490
Product of the distinct prime numbers
The prime factorization of 30831490 is 2 × 95 × 263 × 617.
Since it has a total of 4 prime factors.
8 , 2 , 49 , 41 , 687 , 546 , 6940 , 77 , 80417 , 72797 , 798651 , 210581 , 7187783 , 9116493 , 22478925 , 27206180 , 413594999 , 796685553 , 1254863609 , 3283172104
n×2
61662980
n×3
92494470
n×4
123325960
n×5
154157450
n÷2
15415745
n÷3
10277163.333333
n÷3
7707872.5
n÷5
6166298
n2
950580775620100
n3
2.9307821677723E+22
n4
9.0360381097851E+29
n5
2.7859451862146E+37
2 √n
5552.6110974928
3 √n
313.56783285611
4 √n
74.515844606988
5 √n
31.462911066141
1 , 2 , 95 , 190 , 263 , 526 , 617 , 1234 , 24985 , 49970 , 58615 , 117230 , 162271 , 324542 , 15415745 , 30831490
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
-30831489
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 30831490 can be divided by 16 positive divisors.
The sum of these divisors (counting 30831490) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110101100111001110000010
3
Ternary
2011000101212001
4
Quaternary
1311213032002
5
Quinary
30343101430
6
Senary
3020454214
8
Octal
165471602
10
Decimal
30831490
12
Duodecimal
a3aa36a
16
Hexadecimal
1d67382
20
Vigesimal
9cdiea
36
Base36
ictqa
md5
b369e58ff77d1ebc13fe6dc79e72c7b3
sha1
f9049a2945af582bb7297877c2c193e51d1b7812
sha256
496e9ccefd5aff18b35939d57f0a78d8800aadb60ffba5d4fc6bc2ebb041fa79
sha512
b40cf98f8f3b14dec900afff23cd7871d7ba55a1ce500c51161e88c6a0d344e9eaa501bc261c427da4b47e4ea231cef847cdca3838a33b66acdda4306a78cc0f
ripemd-160
00ec4b852bd67a776ff919d05141bf3d82b3f916
Diameter
61662980
Circumference
193719964.96645
Area
2.9863375813318E+15
Volume
1.2276431636727E+23
Surface area
1.1945350325327E+16
Circumference
193719964.96645
Perimeter
123325960
Area
950580775620100
Diagonal
43602311.30617
Surface area
5703484653720600
Volume
2.9307821677723E+22
Space diagonal
53401707.153052
Perimeter
92494470
Area
4.1161355001806E+14
Altitude
26700853.576526
Surface area
4.1161355001806E+14
Volume
3.453959908354E+21
Height
14534103.768723