20151840 (number)

20151840 is an even 8-digits composite number following 20151839 and preceding 20151841. In scientific notation, it is written as 2.0151840 × 10^7. The sum of its digits is 21. It has a total of 7 prime factors and 24 positive divisors. There are 5373696 positive integers (up to 20151840) that are relatively prime to 20151840.

Interesting facts

Basic properties

Name

Name twenty million one hundred fifty-one thousand eight hundred forty

Notation

Scientific notation 2.0151840 × 10^7
Engineering notation 2.0151840 × 10^6

Prime Factorization of 20151840

Prime Factorization 2 × 2 × 2 × 2 × 2 × 15 × 41983

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 1259490
Product of the distinct prime numbers

The prime factorization of 20151840 is 2 × 2 × 2 × 2 × 2 × 15 × 41983. Since it has a total of 7 prime factors.

Most popular turbo-numbers

1, 4, 75, 55, 771, 650, 6162, 4464, 52171, 21019, 442112, 924929, 2273812, 1073118, 93088797, 78877554, 631401762, 217313200, 3171449531, 8654100843

Basic calculations (n = 20151840)

Multiplication

n×y
n×2 40303680
n×3 60455520
n×4 80607360
n×5 100759200

Division

n÷y
n÷2 10075920
n÷3 6717280
n÷3 5037960
n÷5 4030368

Exponentiation

ny
n2 406096655385600
n3 8.1835948238657E+21
n4 1.6491449351537E+29
n5 3.3233304870028E+36

Nth Root

y√n
2√n 4489.080083937
3√n 272.12695918553
4√n 67.000597638656
5√n 28.897677583734

Divisors of 20151840

1, 2, 4, 8, 15, 16, 30, 32, 60, 120, 240, 480, 41983, 83966, 167932, 335864, 629745, 671728, 1259490, 1343456, 2518980, 5037960, 10075920, 20151840

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20151839
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20151840 can be divided by 24 positive divisors. The sum of these divisors (counting 20151840) is 1, the average is 0.041666666666667.

Base conversion 20151840

Base System Value
2 Binary 1001100110111111000100000
3 Ternary 1101220211010110
4 Quaternary 1030313320200
5 Quinary 20124324330
6 Senary 1555531320
8 Octal 114677040
10 Decimal 20151840
12 Duodecimal 68b9b40
16 Hexadecimal 1337e20
20 Vigesimal 65ijc0
36 Base36 bzx9c

Cryptographic Hash Functions

md5 4b428a99c8306b8c6723b262677a6b81
sha1 060cd0964821b043c70e287dc2b728fefdf43c52
sha256 cb47b9409494e793ffa87405775d6f8008028b1ea3ccc846bb6509109a6bdd23
sha512 d43fcab52d5939f425faef1893c4cb512b4fa6605310bdb693d6553c93d537661cfe744345cee91094ec4827cd5370a807786f05d2c325200d5f071cb87bce9a
ripemd-160 a8a860227985ce58005ccbf1be0b5ba330bfbb25

20151840 as geometric shapes

Circle

Radius = n
Diameter 40303680
Circumference 126617745.00063
Area 1.2757902692068E+15

Sphere

Radius = n
Volume 3.4279361838149E+22
Surface area 5.1031610768271E+15
Circumference 126617745.00063

Square

Length = n
Perimeter 80607360
Area 406096655385600
Diagonal 28499005.434773

Cube

Length = n
Surface area 2436579932313600
Volume 8.1835948238657E+21
Space diagonal 34904010.745999

Equilateral Triangle

Length = n
Perimeter 60455520
Area 1.7584500997791E+14
Altitude 17452005.372999

Triangular Pyramid

Length = n
Surface area 1.7584500997791E+14
Volume 9.644458990731E+20
Height 9499668.4782575