30721842 (number)

30721842 is an even 8-digits composite number following 30721841 and preceding 30721843. In scientific notation, it is written as 3.0721842 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors. There are 10092600 positive integers (up to 30721842) that are relatively prime to 30721842.

Interesting facts

Basic properties

Name

Name thirty million seven hundred twenty-one thousand eight hundred forty-two

Notation

Scientific notation 3.0721842 × 10^7
Engineering notation 3.0721842 × 10^6

Prime Factorization of 30721842

Prime Factorization 2 × 3 × 27 × 71 × 2671

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 30721842
Product of the distinct prime numbers

The prime factorization of 30721842 is 2 × 3 × 27 × 71 × 2671. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 10, 42, 66, 408, 576, 5816, 6706, 30585, 44673, 538048, 99273, 5462426, 996760, 12696247, 97360986, 816093964, 662531168, 9273865106, 9931164622

Basic calculations (n = 30721842)

Multiplication

n×y
n×2 61443684
n×3 92165526
n×4 122887368
n×5 153609210

Division

n÷y
n÷2 15360921
n÷3 10240614
n÷3 7680460.5
n÷5 6144368.4

Exponentiation

ny
n2 943831575872964
n3 2.899624454858E+22
n4 8.9081804361484E+29
n5 2.7367571186684E+37

Nth Root

y√n
2√n 5542.7287503539
3√n 313.19567087864
4√n 74.449504701871
5√n 31.440500450677

Divisors of 30721842

1, 2, 3, 6, 27, 54, 71, 81, 142, 162, 213, 426, 1917, 2671, 3834, 5342, 5751, 8013, 11502, 16026, 72117, 144234, 189641, 216351, 379282, 432702, 568923, 1137846, 5120307, 10240614, 15360921, 30721842

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -30721841
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 30721842 can be divided by 32 positive divisors. The sum of these divisors (counting 30721842) is 1, the average is 0.03125.

Base conversion 30721842

Base System Value
2 Binary 1110101001100011100110010
3 Ternary 2010210211110000
4 Quaternary 1311030130302
5 Quinary 30331044332
6 Senary 3014250430
8 Octal 165143462
10 Decimal 30721842
12 Duodecimal a356a16
16 Hexadecimal 1d4c732
20 Vigesimal 9c04c2
36 Base36 iah4i

Cryptographic Hash Functions

md5 6fd85b69be85ba6598765a8483793253
sha1 3636d1d84ed0e0c7f1eccd19ea8f230b43f25359
sha256 ea7d82997419ed016845d86126c86d4306b7b1a4f84f635bc83d66e8c6cce63b
sha512 73568ad6dc23415cb688caadff1701c6b90ff175f4ecbe40034a6607ce6d7b98b35d12adba0ded532800961916127cf437d5cf2c845ea46dbc4c5e2047bbcf60
ripemd-160 eca780242efb2133e1b67fb2bf9537c4b18f8ef7

30721842 as geometric shapes

Circle

Radius = n
Diameter 61443684
Circumference 193031026.26389
Area 2.9651343449886E+15

Sphere

Radius = n
Volume 1.2145918514068E+23
Surface area 1.1860537379954E+16
Circumference 193031026.26389

Square

Length = n
Perimeter 122887368
Area 943831575872964
Diagonal 43447245.617483

Cube

Length = n
Surface area 5662989455237784
Volume 2.899624454858E+22
Space diagonal 53211791.246103

Equilateral Triangle

Length = n
Perimeter 92165526
Area 4.0869106079994E+14
Altitude 26605895.623052

Triangular Pyramid

Length = n
Surface area 4.0869106079994E+14
Volume 3.4172401915408E+21
Height 14482415.205828