30856821 (number)

30856821 is an odd 8-digits composite number following 30856820 and preceding 30856822. In scientific notation, it is written as 3.0856821 × 10^7. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 20571212 positive integers (up to 30856821) that are relatively prime to 30856821.

Interesting facts

Basic properties

Name

Name thirty million eight hundred fifty-six thousand eight hundred twenty-one

Notation

Scientific notation 3.0856821 × 10^7
Engineering notation 3.0856821 × 10^6

Prime Factorization of 30856821

Prime Factorization 3 × 10285607

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 30856821
Product of the distinct prime numbers

The prime factorization of 30856821 is 3 × 10285607. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 30856821)

Multiplication

n×y
n×2 61713642
n×3 92570463
n×4 123427284
n×5 154284105

Division

n÷y
n÷2 15428410.5
n÷3 10285607
n÷3 7714205.25
n÷5 6171364.2

Exponentiation

ny
n2 952143402226041
n3 2.938011852882E+22
n4 9.0657705840258E+29
n5 2.7974086013835E+37

Nth Root

y√n
2√n 5554.8916281058
3√n 313.65368460985
4√n 74.531145356192
5√n 31.46807932242

Divisors of 30856821

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 -30856820
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 30856821 can be divided by 4 positive divisors. The sum of these divisors (counting 30856821) is 1, the average is 0.25.

Base conversion 30856821

Base System Value
2 Binary 1110101101101011001110101
3 Ternary 2011001200121020
4 Quaternary 1311231121311
5 Quinary 30344404241
6 Senary 3021211353
8 Octal 165553165
10 Decimal 30856821
12 Duodecimal a400b59
16 Hexadecimal 1d6d675
20 Vigesimal 9ch211
36 Base36 idd9x

Cryptographic Hash Functions

md5 03527022ca7f11cd5fdcdd40e6bdd2cc
sha1 d32bfbf4e7b01b74d49e3a174572944d55c21f0f
sha256 ef14ab8ab89e9912ca587b62b75cf35b2d46274cdc1d1296a8b33a165b3ee3b6
sha512 d2f57815c11498b30ffdf66b6de5b329fb6954da57e1d47e51965d6992a1787816a45ad1c1d2633bc275c8e61e49076dae1464498641a2defbc6ef94b3dad99a
ripemd-160 1e31f517196b35840ee6004f6bd4b78bc839313c

30856821 as geometric shapes

Circle

Radius = n
Diameter 61713642
Circumference 193879124.33347
Area 2.9912467175973E+15

Sphere

Radius = n
Volume 1.2306715270898E+23
Surface area 1.1964986870389E+16
Circumference 193879124.33347

Square

Length = n
Perimeter 123427284
Area 952143402226041
Diagonal 43638134.749919

Cube

Length = n
Surface area 5712860413356246
Volume 2.938011852882E+22
Space diagonal 53445581.732058

Equilateral Triangle

Length = n
Perimeter 92570463
Area 4.1229018718675E+14
Altitude 26722790.866029

Triangular Pyramid

Length = n
Surface area 4.1229018718675E+14
Volume 3.4624801739655E+21
Height 14546044.91664