30392721 is an odd 8-digits composite number following 30392720
and preceding 30392722 . In scientific notation, it is written as 3.0392721 × 10^7.
The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors.
There are 20261808 positive integers (up to 30392721) that are relatively prime to 30392721.
30392721 has 4 divisors, whose sum is 33769700
The reverse of 30392721 is 12729303
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
thirty million three hundred ninety-two thousand seven hundred twenty-one
Scientific notation
3.0392721 × 10^7
Engineering notation
3.0392721 × 10^6
Prime Factorization
9 × 3376969
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
30392721
Product of the distinct prime numbers
The prime factorization of 30392721 is 9 × 3376969.
Since it has a total of 2 prime factors.
7 , 8 , 86 , 70 , 428 , 960 , 3695 , 1699 , 61831 , 44485 , 999853 , 30349 , 8355701 , 9711828 , 4487290 , 62474200 , 917040597 , 538462684 , 3936440419 , 8108118223
n×2
60785442
n×3
91178163
n×4
121570884
n×5
151963605
n÷2
15196360.5
n÷3
10130907
n÷3
7598180.25
n÷5
6078544.2
n2
923717489783841
n3
2.8074287949821E+22
n4
8.5325400093256E+29
n5
2.5932710792477E+37
2 √n
5512.959368615
3 √n
312.07323847736
4 √n
74.249305509311
5 √n
31.372845927044
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
-30392720
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 30392721 can be divided by 4 positive divisors.
The sum of these divisors (counting 30392721) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110011111100000110010001
3
Ternary
2010012002222100
4
Quaternary
1303330012101
5
Quinary
30240031341
6
Senary
3003231013
8
Octal
163740621
10
Decimal
30392721
12
Duodecimal
a218469
16
Hexadecimal
1cfc191
20
Vigesimal
99j1g1
36
Base36
i3f69
md5
cda06acf9c52efcc0ddab3cd46390596
sha1
732d58ecf81378fdb90a053472fd9b54af2e832d
sha256
b8cd487fde8538b281bbb1a53acd69b4dcc1bb82945190976844fcd1904aa813
sha512
3047b45ccbc89acb1b232eed9fadff01a5a928bd8518416677dc8a908b78e4aff335e14e216a9dd4c63daa6d1df6f2a87c0c0c2ee9f1f5ad45096f9ec0e5f25d
ripemd-160
97cea56a3cd44f0e312fb7c88727ba9c7348406f
Diameter
60785442
Circumference
190963098.03241
Area
2.9019440798973E+15
Volume
1.1759730237056E+23
Surface area
1.1607776319589E+16
Circumference
190963098.03241
Perimeter
121570884
Area
923717489783841
Diagonal
42981798.235622
Surface area
5542304938703046
Volume
2.8074287949821E+22
Space diagonal
52641736.952266
Perimeter
91178163
Area
3.999814060364E+14
Altitude
26320868.476133
Surface area
3.999814060364E+14
Volume
3.3085865643837E+21
Height
14327266.078541