20151920 (number)

20151920 is an even 8-digits composite number following 20151919 and preceding 20151921. In scientific notation, it is written as 2.0151920 × 10^7. The sum of its digits is 20. It has a total of 7 prime factors and 40 positive divisors. There are 7983360 positive integers (up to 20151920) that are relatively prime to 20151920.

Interesting facts

Basic properties

Name

Name twenty million one hundred fifty-one thousand nine hundred twenty

Notation

Scientific notation 2.0151920 × 10^7
Engineering notation 2.0151920 × 10^6

Prime Factorization of 20151920

Prime Factorization 2 × 2 × 2 × 2 × 5 × 109 × 2311

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 2518990
Product of the distinct prime numbers

The prime factorization of 20151920 is 2 × 2 × 2 × 2 × 5 × 109 × 2311. Since it has a total of 7 prime factors.

Most popular turbo-numbers

5, 8, 7, 79, 241, 475, 3088, 4383, 33007, 47029, 713554, 787802, 1563752, 5202329, 73528636, 91130266, 873404865, 573506372, 6082472779, 5946692243

Basic calculations (n = 20151920)

Multiplication

n×y
n×2 40303840
n×3 60455760
n×4 80607680
n×5 100759600

Division

n÷y
n÷2 10075960
n÷3 6717306.6666667
n÷3 5037980
n÷5 4030384

Exponentiation

ny
n2 406099879686400
n3 8.18369228745E+21
n4 1.6491711228131E+29
n5 3.3233964533239E+36

Nth Root

y√n
2√n 4489.0889944397
3√n 272.12731928711
4√n 67.000664134318
5√n 28.897700527649

Divisors of 20151920

1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 2311, 4360, 4622, 8720, 9244, 11555, 18488, 23110, 36976, 46220, 92440, 184880, 251899, 503798, 1007596, 1259495, 2015192, 2518990, 4030384, 5037980, 10075960, 20151920

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 -20151919
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 20151920 can be divided by 40 positive divisors. The sum of these divisors (counting 20151920) is 1, the average is 0.025.

Base conversion 20151920

Base System Value
2 Binary 1001100110111111001110000
3 Ternary 1101220211020102
4 Quaternary 1030313321300
5 Quinary 20124330140
6 Senary 1555531532
8 Octal 114677160
10 Decimal 20151920
12 Duodecimal 68b9ba8
16 Hexadecimal 1337e70
20 Vigesimal 65ijg0
36 Base36 bzxbk

Cryptographic Hash Functions

md5 15a9511d009787ca9edd2bd5e3b24e0f
sha1 fa8e875187f95484525b0c1c313ba317f688844d
sha256 5dfee90c9b64caa09f99abd70681dfea9a285fc34d2cb4a93a87f9bcdb0ccdeb
sha512 5af6cf3d874f877f65b460e3263bcfe898b4b1b62cad12ae69391d1a5e58462f7fabc1f6e13eda201cfeb7ecec5aa415a8609a61db7c1f7cd4c2a680c59e31de
ripemd-160 ccd9a6f4e45b4bf2e3af2a6aa66b5d62eb9e1a0c

20151920 as geometric shapes

Circle

Radius = n
Diameter 40303840
Circumference 126618247.65546
Area 1.2758003986465E+15

Sphere

Radius = n
Volume 3.4279770092656E+22
Surface area 5.103201594586E+15
Circumference 126618247.65546

Square

Length = n
Perimeter 80607680
Area 406099879686400
Diagonal 28499118.571858

Cube

Length = n
Surface area 2436599278118400
Volume 8.18369228745E+21
Space diagonal 34904149.310063

Equilateral Triangle

Length = n
Perimeter 60455760
Area 1.7584640614111E+14
Altitude 17452074.655032

Triangular Pyramid

Length = n
Surface area 1.7584640614111E+14
Volume 9.6445738526665E+20
Height 9499706.1906192