30921409 is an odd 8-digits composite number following 30921408
and preceding 30921410 . In scientific notation, it is written as 3.0921409 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 30908416 positive integers (up to 30921409) that are relatively prime to 30921409.
30921409 has 4 divisors, whose sum is 30934404
The reverse of 30921409 is 90412903
Previous prime number is 3137
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
thirty million nine hundred twenty-one thousand four hundred nine
Scientific notation
3.0921409 × 10^7
Engineering notation
3.0921409 × 10^6
Prime Factorization
3137 × 9857
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
30921409
Product of the distinct prime numbers
The prime factorization of 30921409 is 3137 × 9857.
Since it has a total of 2 prime factors.
3 , 2 , 98 , 91 , 935 , 566 , 6219 , 2249 , 69920 , 33654 , 249586 , 126962 , 229741 , 5802502 , 19422784 , 4544880 , 125931796 , 243409388 , 122656703 , 6791705340
n×2
61842818
n×3
92764227
n×4
123685636
n×5
154607045
n÷2
15460704.5
n÷3
10307136.333333
n÷3
7730352.25
n÷5
6184281.8
n2
956133534545281
n3
2.956499608029E+22
n4
9.1419133588205E+29
n5
2.8268084201065E+37
2 √n
5560.7022038588
3 √n
313.87237365386
4 √n
74.570116024174
5 √n
31.481241797857
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
-30921408
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 30921409 can be divided by 4 positive divisors.
The sum of these divisors (counting 30921409) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110101111101001011000001
3
Ternary
2011011222012101
4
Quaternary
1311331023001
5
Quinary
30403441114
6
Senary
3022430401
8
Octal
165751301
10
Decimal
30921409
12
Duodecimal
a432401
16
Hexadecimal
1d7d2c1
20
Vigesimal
9d53a9
36
Base36
ier41
md5
4286ea5a278bfb5f74726f9cde208f2b
sha1
34b0dd6895bf5307d61abb2c3412a2a12bce3b06
sha256
73e9bd5c5e86df115bd73e9397a383f8cbab8b105148471ac46240bc4a31d667
sha512
05b515398983ad7e8bd31b47dbc4985916426b29ee038d533d3081362a145f21213a509e9dfa07a0355d0ecb26a2f00c0bcc0e20880cd8b69d43d7a64139db14
ripemd-160
3628bd7cd90d8e785ae63ae123a418a130b5a382
Diameter
61842818
Circumference
194284942.70609
Area
3.0037820879783E+15
Volume
1.2384156598567E+23
Surface area
1.2015128351913E+16
Circumference
194284942.70609
Perimeter
123685636
Area
956133534545281
Diagonal
43729475.975485
Surface area
5736801207271686
Volume
2.956499608029E+22
Space diagonal
53557451.429618
Perimeter
92764227
Area
4.1401796516321E+14
Altitude
26778725.714809
Surface area
4.1401796516321E+14
Volume
3.4842682023545E+21
Height
14576491.991828