30721808 (number)

30721808 is an even 8-digits composite number following 30721807 and preceding 30721809. In scientific notation, it is written as 3.0721808 × 10^7. The sum of its digits is 29. It has a total of 7 prime factors and 40 positive divisors. There are 14055552 positive integers (up to 30721808) that are relatively prime to 30721808.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.0721808 × 10^7
Engineering notation 3.0721808 × 10^6

Prime Factorization of 30721808

Prime Factorization 2 × 2 × 2 × 2 × 13 × 127 × 1163

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 3840226
Product of the distinct prime numbers

The prime factorization of 30721808 is 2 × 2 × 2 × 2 × 13 × 127 × 1163. Since it has a total of 7 prime factors.

Most popular turbo-numbers

6, 5, 61, 62, 708, 860, 4904, 6266, 62288, 11423, 917591, 489378, 7179593, 4658980, 82769258, 38909631, 846901252, 324284612, 7749529064, 3919965846

Basic calculations (n = 30721808)

Multiplication

n×y
n×2 61443616
n×3 92165424
n×4 122887232
n×5 153609040

Division

n÷y
n÷2 15360904
n÷3 10240602.666667
n÷3 7680452
n÷5 6144361.6

Exponentiation

ny
n2 943829486788864
n3 2.8996148277866E+22
n4 8.9081410013213E+29
n5 2.7367419747952E+37

Nth Root

y√n
2√n 5542.7256832717
3√n 313.19555534025
4√n 74.449484103463
5√n 31.440493491606

Divisors of 30721808

1, 2, 4, 8, 13, 16, 26, 52, 104, 127, 208, 254, 508, 1016, 1163, 1651, 2032, 2326, 3302, 4652, 6604, 9304, 13208, 15119, 18608, 26416, 30238, 60476, 120952, 147701, 241904, 295402, 590804, 1181608, 1920113, 2363216, 3840226, 7680452, 15360904, 30721808

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -30721807
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 30721808 can be divided by 40 positive divisors. The sum of these divisors (counting 30721808) is 1, the average is 0.025.

Base conversion 30721808

Base System Value
2 Binary 1110101001100011100010000
3 Ternary 2010210211101202
4 Quaternary 1311030130100
5 Quinary 30331044213
6 Senary 3014250332
8 Octal 165143420
10 Decimal 30721808
12 Duodecimal a3569a8
16 Hexadecimal 1d4c710
20 Vigesimal 9c04a8
36 Base36 iah3k

Cryptographic Hash Functions

md5 56125e4b98127c6ca82b067aa6603862
sha1 e2d20f6bd5bc3bdfa25837f90349f47923c68312
sha256 c87ef2d4e14ee7bf373845af1987bf60ad01f5b779b1698f136dccd54b1b1265
sha512 adfb476cd2278ae8c2fd4cf7467c4d8047ee6532be9c840df1da2fee633960e7adae02273bee02eb7cef42ad8055d91fdd73a9d1272e46ad427d6f0a9c095136
ripemd-160 a4f8cff4305f6ca112fb937106ebd9fc378f4fad

30721808 as geometric shapes

Circle

Radius = n
Diameter 61443616
Circumference 193030812.63559
Area 2.9651277819373E+15

Sphere

Radius = n
Volume 1.2145878188286E+23
Surface area 1.1860511127749E+16
Circumference 193030812.63559

Square

Length = n
Perimeter 122887232
Area 943829486788864
Diagonal 43447197.534222

Cube

Length = n
Surface area 5662976920733184
Volume 2.8996148277866E+22
Space diagonal 53211732.356376

Equilateral Triangle

Length = n
Perimeter 92165424
Area 4.0869015619999E+14
Altitude 26605866.178188

Triangular Pyramid

Length = n
Surface area 4.0869015619999E+14
Volume 3.4172288459283E+21
Height 14482399.178074