20145984 (number)

20145984 is an even 8-digits composite number following 20145983 and preceding 20145985. In scientific notation, it is written as 2.0145984 × 10^7. The sum of its digits is 33. It has a total of 9 prime factors and 56 positive divisors. There are 6673920 positive integers (up to 20145984) that are relatively prime to 20145984.

Interesting facts

Basic properties

Name

Name twenty million one hundred forty-five thousand nine hundred eighty-four

Notation

Scientific notation 2.0145984 × 10^7
Engineering notation 2.0145984 × 10^6

Prime Factorization of 20145984

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 3 × 331 × 317

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 629562
Product of the distinct prime numbers

The prime factorization of 20145984 is 2 × 2 × 2 × 2 × 2 × 2 × 3 × 331 × 317. Since it has a total of 9 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20145984)

Multiplication

n×y
n×2 40291968
n×3 60437952
n×4 80583936
n×5 100729920

Division

n÷y
n÷2 10072992
n÷3 6715328
n÷3 5036496
n÷5 4029196.8

Exponentiation

ny
n2 405860671328256
n3 8.1764625908083E+21
n4 1.6472288453102E+29
n5 3.3185045961958E+36

Nth Root

y√n
2√n 4488.4277870987
3√n 272.1005971617
4√n 66.995729618377
5√n 28.895997891223

Divisors of 20145984

56 divisors

τ Total Divisors 56
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20145983
Sum of the proper positive divisors of n
A Arithmetic Mean 0.017857142857143
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 56
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20145984 can be divided by 56 positive divisors. The sum of these divisors (counting 20145984) is 1, the average is 0.017857142857143.

Base conversion 20145984

Base System Value
2 Binary 1001100110110011101000000
3 Ternary 1101220112002120
4 Quaternary 1030312131000
5 Quinary 20124132414
6 Senary 1555444240
8 Octal 114663500
10 Decimal 20145984
12 Duodecimal 68b6680
16 Hexadecimal 1336740
20 Vigesimal 65i4j4
36 Base36 bzsqo

Cryptographic Hash Functions

md5 10f9b0d09cfe5a6f085cccfec1e75f2c
sha1 cb9eaa9775f9ec6dd4c0bcb21d7f069f0d696e3e
sha256 5538a34b31e01cefe5d5f78da4d2afb7f55d90b26a6db290b187dcbc5538f4d0
sha512 b2beb1ce0858aa79eb56b6990d8919d595dd8699165189af18064b80ea5906cb84a961a346268ccbd136174f9fdacd7e75415351928dbc5bd5e7e4e7f5891589
ripemd-160 14bd117a6de15f1b5da06f8dddf1151aff9a4ed9

20145984 as geometric shapes

Circle

Radius = n
Diameter 40291968
Circumference 126580950.66748
Area 1.2750489034259E+15

Sphere

Radius = n
Volume 3.424948641018E+22
Surface area 5.1001956137035E+15
Circumference 126580950.66748

Square

Length = n
Perimeter 80583936
Area 405860671328256
Diagonal 28490723.800151

Cube

Length = n
Surface area 2435164027969536
Volume 8.1764625908083E+21
Space diagonal 34893867.85647

Equilateral Triangle

Length = n
Perimeter 60437952
Area 1.7574282588364E+14
Altitude 17446933.928235

Triangular Pyramid

Length = n
Surface area 1.7574282588364E+14
Volume 9.6360535734645E+20
Height 9496907.9333838