30421938 is an even 8-digits composite number following 30421937
and preceding 30421939 . In scientific notation, it is written as 3.0421938 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 9997680 positive integers (up to 30421938) that are relatively prime to 30421938.
30421938 has 16 divisors, whose sum is 61701696
The reverse of 30421938 is 83912403
Previous prime number is 71
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
thirty million four hundred twenty-one thousand nine hundred thirty-eight
Scientific notation
3.0421938 × 10^7
Engineering notation
3.0421938 × 10^6
Prime Factorization
2 × 3 × 71 × 71413
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
30421938
Product of the distinct prime numbers
The prime factorization of 30421938 is 2 × 3 × 71 × 71413.
Since it has a total of 4 prime factors.
8 , 2 , 5 , 68 , 262 , 45 , 4879 , 842 , 52944 , 64155 , 877600 , 640830 , 7054231 , 3867975 , 67698666 , 52155600 , 885114014 , 81192684 , 1168735284 , 7293775421
n×2
60843876
n×3
91265814
n×4
121687752
n×5
152109690
n÷2
15210969
n÷3
10140646
n÷3
7605484.5
n÷5
6084387.6
n2
925494311675844
n3
2.8155330569155E+22
n4
8.5653972094434E+29
n5
2.6057598285106E+37
2 √n
5515.6085792957
3 √n
312.17320675221
4 √n
74.267143336038
5 √n
31.378875450876
1 , 2 , 3 , 6 , 71 , 142 , 213 , 426 , 71413 , 142826 , 214239 , 428478 , 5070323 , 10140646 , 15210969 , 30421938
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
-30421937
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 30421938 can be divided by 16 positive divisors.
The sum of these divisors (counting 30421938) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110100000011001110110010
3
Ternary
2010020121001110
4
Quaternary
1310003032302
5
Quinary
30242000223
6
Senary
3004014150
8
Octal
164031662
10
Decimal
30421938
12
Duodecimal
a231356
16
Hexadecimal
1d033b2
20
Vigesimal
9a2egi
36
Base36
i41pu
md5
7cb63bea728d3a0d8f0a5588535861b6
sha1
e6f02b7e1f1286162d79b32db72bb50439bbf24d
sha256
0afefbd7f18bd474708f495ace4ea696fc679fcff16dc2c0eb9b86053d283e0d
sha512
73c8b33dc48433d1b319ff2fe8d3c69a2eba5551c67bdfc79b0aad922d394ec7ecd5ef6aa9156a2f75a2788d37ff9fb3d8ad52acd9d2297a61d0bf4b87a68126
ripemd-160
dd682d61b5ea88183ea8143ce685b23f2398e0d6
Diameter
60843876
Circumference
191146673.85753
Area
2.9075261305E+15
Volume
1.179367729006E+23
Surface area
1.1630104522E+16
Circumference
191146673.85753
Perimeter
121687752
Area
925494311675844
Diagonal
43023117.313273
Surface area
5552965870055064
Volume
2.8155330569155E+22
Space diagonal
52692342.28071
Perimeter
91265814
Area
4.0075079248464E+14
Altitude
26346171.140355
Surface area
4.0075079248464E+14
Volume
3.3181375286664E+21
Height
14341039.104424