30909918 is an even 8-digits composite number following 30909917
and preceding 30909919 . In scientific notation, it is written as 3.0909918 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 9330048 positive integers (up to 30909918) that are relatively prime to 30909918.
30909918 has 16 divisors, whose sum is 48457440
The reverse of 30909918 is 81990903
Previous prime number is 53
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
thirty million nine hundred nine thousand nine hundred eighteen
Scientific notation
3.0909918 × 10^7
Engineering notation
3.0909918 × 10^6
Prime Factorization
2 × 39 × 53 × 7477
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
30909918
Product of the distinct prime numbers
The prime factorization of 30909918 is 2 × 39 × 53 × 7477.
Since it has a total of 4 prime factors.
3 , 7 , 61 , 78 , 844 , 588 , 3571 , 8579 , 32916 , 63836 , 885292 , 500400 , 6775024 , 4939002 , 41223739 , 15198189 , 664289730 , 984222791 , 8327206892 , 3684596509
n×2
61819836
n×3
92729754
n×4
123639672
n×5
154549590
n÷2
15454959
n÷3
10303306
n÷3
7727479.5
n÷5
6181983.6
n2
955423030766724
n3
2.9532047536311E+22
n4
9.1283316771947E+29
n5
2.8215598361889E+37
2 √n
5559.668875032
3 √n
313.83348846687
4 √n
74.563187130326
5 √n
31.47890164101
1 , 2 , 39 , 53 , 78 , 106 , 2067 , 4134 , 7477 , 14954 , 291603 , 396281 , 583206 , 792562 , 15454959 , 30909918
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
-30909917
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 30909918 can be divided by 16 positive divisors.
The sum of these divisors (counting 30909918) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110101111010010111011110
3
Ternary
2011011101102210
4
Quaternary
1311322113132
5
Quinary
30403104133
6
Senary
3022301250
8
Octal
165722736
10
Decimal
30909918
12
Duodecimal
a427826
16
Hexadecimal
1d7a5de
20
Vigesimal
9d3efi
36
Base36
iei8u
md5
4f0dc4895ca88e290149ab14ff5f660a
sha1
6ecf51d7de64525c3e6c8e0b0bc85355f2e9da60
sha256
4e5cbc623ca1fed0b8c6b48390d40f4426305d0a04e25a229df76e6c6c7e8525
sha512
2f04d59d28f7347e0a03d06c6986f350ae2bce631a8e5729aedc7cdc160d1a0350cd74ad507a7ff9e351130e7c766261be08003e2dbba8521c28216f175a9407
ripemd-160
c91c7127313be517dc74d369dcecf34ead1ef665
Diameter
61819836
Circumference
194212742.62373
Area
3.0015499745272E+15
Volume
1.2370355144739E+23
Surface area
1.2006199898109E+16
Circumference
194212742.62373
Perimeter
123639672
Area
955423030766724
Diagonal
43713225.24744
Surface area
5732538184600344
Volume
2.9532047536311E+22
Space diagonal
53537548.433788
Perimeter
92729754
Area
4.1371030800235E+14
Altitude
26768774.216894
Surface area
4.1371030800235E+14
Volume
3.4803851792082E+21
Height
14571075.08248