30638841 is an odd 8-digits composite number following 30638840
and preceding 30638842 . In scientific notation, it is written as 3.0638841 × 10^7.
The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors.
There are 20425892 positive integers (up to 30638841) that are relatively prime to 30638841.
30638841 has 4 divisors, whose sum is 40851792
The reverse of 30638841 is 14883603
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
thirty million six hundred thirty-eight thousand eight hundred forty-one
Scientific notation
3.0638841 × 10^7
Engineering notation
3.0638841 × 10^6
Prime Factorization
3 × 10212947
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
30638841
Product of the distinct prime numbers
The prime factorization of 30638841 is 3 × 10212947.
Since it has a total of 2 prime factors.
2 , 1 , 29 , 8 , 120 , 998 , 1542 , 4577 , 15276 , 89047 , 101554 , 104275 , 5263408 , 2546082 , 90947349 , 46684329 , 414858309 , 204257160 , 3655494603 , 1308129124
n×2
61277682
n×3
91916523
n×4
122555364
n×5
153194205
n÷2
15319420.5
n÷3
10212947
n÷3
7659710.25
n÷5
6127768.2
n2
938738577823281
n3
2.8761862026494E+22
n4
8.8123011749368E+29
n5
2.69998694543E+37
2 √n
5535.2363093187
3 √n
312.91336358998
4 √n
74.399168740778
5 √n
31.423493542783
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-30638840
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 30638841 can be divided by 4 positive divisors.
The sum of these divisors (counting 30638841) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110100111000001011111001
3
Ternary
2010122121120220
4
Quaternary
1310320023321
5
Quinary
30320420331
6
Senary
3012410253
8
Octal
164701371
10
Decimal
30638841
12
Duodecimal
a316989
16
Hexadecimal
1d382f9
20
Vigesimal
9b9h21
36
Base36
i8p2x
md5
b4c4ad8687b3fd10e1bde928998eda65
sha1
7f0ec89ff6bb18f1a4803a5fb9dce6fc1a4d2f70
sha256
f0f1bbe6eec53a3fb2f1564ac0acf0fead9f9dbeb8c85ab54573a5fd3775b3ee
sha512
51b138e54b81b49e25db9fc922fbdf26d1155884895e5177092fca7726c5639ae5357fddf1980d209aa72a89c5b487d0f9a0dfa97198b19cffe788ba3f18ac3e
ripemd-160
ccc9882792cdd8084acc83bbd3cf34da0aad237c
Diameter
61277682
Circumference
192509515.60021
Area
2.949134219731E+15
Volume
1.2047740592799E+23
Surface area
1.1796536878924E+16
Circumference
192509515.60021
Perimeter
122555364
Area
938738577823281
Diagonal
43329864.477593
Surface area
5632431466939686
Volume
2.8761862026494E+22
Space diagonal
53068029.297024
Perimeter
91916523
Area
4.0648572795372E+14
Altitude
26534014.648512
Surface area
4.0648572795372E+14
Volume
3.3896179464143E+21
Height
14443288.159198