30921409 (number)

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.

Interesting facts

Basic properties

Name

Name thirty million nine hundred twenty-one thousand four hundred nine

Notation

Scientific notation 3.0921409 × 10^7
Engineering notation 3.0921409 × 10^6

Prime Factorization of 30921409

Prime Factorization 9857 × 3137

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 9857 × 3137. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 30921409)

Multiplication

n×y
n×2 61842818
n×3 92764227
n×4 123685636
n×5 154607045

Division

n÷y
n÷2 15460704.5
n÷3 10307136.333333
n÷3 7730352.25
n÷5 6184281.8

Exponentiation

ny
n2 956133534545281
n3 2.956499608029E+22
n4 9.1419133588205E+29
n5 2.8268084201065E+37

Nth Root

y√n
2√n 5560.7022038588
3√n 313.87237365386
4√n 74.570116024174
5√n 31.481241797857

Divisors of 30921409

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 conversion 30921409

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

Cryptographic Hash Functions

md5 4286ea5a278bfb5f74726f9cde208f2b
sha1 34b0dd6895bf5307d61abb2c3412a2a12bce3b06
sha256 73e9bd5c5e86df115bd73e9397a383f8cbab8b105148471ac46240bc4a31d667
sha512 05b515398983ad7e8bd31b47dbc4985916426b29ee038d533d3081362a145f21213a509e9dfa07a0355d0ecb26a2f00c0bcc0e20880cd8b69d43d7a64139db14
ripemd-160 3628bd7cd90d8e785ae63ae123a418a130b5a382

30921409 as geometric shapes

Circle

Radius = n
Diameter 61842818
Circumference 194284942.70609
Area 3.0037820879783E+15

Sphere

Radius = n
Volume 1.2384156598567E+23
Surface area 1.2015128351913E+16
Circumference 194284942.70609

Square

Length = n
Perimeter 123685636
Area 956133534545281
Diagonal 43729475.975485

Cube

Length = n
Surface area 5736801207271686
Volume 2.956499608029E+22
Space diagonal 53557451.429618

Equilateral Triangle

Length = n
Perimeter 92764227
Area 4.1401796516321E+14
Altitude 26778725.714809

Triangular Pyramid

Length = n
Surface area 4.1401796516321E+14
Volume 3.4842682023545E+21
Height 14576491.991828