20155840 (number)

20155840 is an even 8-digits composite number following 20155839 and preceding 20155841. In scientific notation, it is written as 2.0155840 × 10^7. The sum of its digits is 25. It has a total of 8 prime factors and 28 positive divisors. There are 8062208 positive integers (up to 20155840) that are relatively prime to 20155840.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0155840 × 10^7
Engineering notation 2.0155840 × 10^6

Prime Factorization of 20155840

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 5 × 62987

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 629870
Product of the distinct prime numbers

The prime factorization of 20155840 is 2 × 2 × 2 × 2 × 2 × 2 × 5 × 62987. Since it has a total of 8 prime factors.

Most popular turbo-numbers

10, 9, 58, 14, 883, 171, 8669, 3588, 21445, 9894, 386840, 960685, 2149507, 3291016, 70383929, 3763204, 437796006, 912443, 1358483589, 5290058691

Basic calculations (n = 20155840)

Multiplication

n×y
n×2 40311680
n×3 60467520
n×4 80623360
n×5 100779200

Division

n÷y
n÷2 10077920
n÷3 6718613.3333333
n÷3 5038960
n÷5 4031168

Exponentiation

ny
n2 406257886105600
n3 8.1884689510827E+21
n4 1.6504547002299E+29
n5 3.3266300865082E+36

Nth Root

y√n
2√n 4489.525587409
3√n 272.14496309691
4√n 67.003922179295
5√n 28.89882469024

Divisors of 20155840

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 62987, 125974, 251948, 314935, 503896, 629870, 1007792, 1259740, 2015584, 2519480, 4031168, 5038960, 10077920, 20155840

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20155839
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20155840 can be divided by 28 positive divisors. The sum of these divisors (counting 20155840) is 1, the average is 0.035714285714286.

Base conversion 20155840

Base System Value
2 Binary 1001100111000110111000000
3 Ternary 1101221000121121
4 Quaternary 1030320313000
5 Quinary 20124441330
6 Senary 2000002024
8 Octal 114706700
10 Decimal 20155840
12 Duodecimal 6900314
16 Hexadecimal 1338dc0
20 Vigesimal 65j9c0
36 Base36 c00cg

Cryptographic Hash Functions

md5 efd068fc75f3723bbd3df6fac698fdd3
sha1 d5500fb1f645919865203e80b3a31d7572987aa8
sha256 0a4f9bdaf751997cb6b0fcd4ec2ba6eee72ec965122edf35e0b7210dbb72cf10
sha512 a1d93d0b5a3bebd712e72f8a2b59635609255c0b46b88370277b7b1fb9a08b3757a9b39044941fdf485299eabad8852ec849e2d82bcc3527dfa2047374f3d1e5
ripemd-160 daa0414b151d3d9322e15928efaf9dfdf6550e87

20155840 as geometric shapes

Circle

Radius = n
Diameter 40311680
Circumference 126642877.74186
Area 1.2762967904523E+15

Sphere

Radius = n
Volume 3.4299778534493E+22
Surface area 5.1051871618091E+15
Circumference 126642877.74186

Square

Length = n
Perimeter 80623360
Area 406257886105600
Diagonal 28504662.289022

Cube

Length = n
Surface area 2437547316633600
Volume 8.1884689510827E+21
Space diagonal 34910938.949229

Equilateral Triangle

Length = n
Perimeter 60467520
Area 1.7591482492761E+14
Altitude 17455469.474615

Triangular Pyramid

Length = n
Surface area 1.7591482492761E+14
Volume 9.6502032047435E+20
Height 9501554.0963407