20185420 (number)

20185420 is an even 8-digits composite number following 20185419 and preceding 20185421. In scientific notation, it is written as 2.0185420 × 10^7. The sum of its digits is 22. It has a total of 5 prime factors and 24 positive divisors. There are 8040000 positive integers (up to 20185420) that are relatively prime to 20185420.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0185420 × 10^7
Engineering notation 2.0185420 × 10^6

Prime Factorization of 20185420

Prime Factorization 2 × 2 × 5 × 251 × 4021

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10092710
Product of the distinct prime numbers

The prime factorization of 20185420 is 2 × 2 × 5 × 251 × 4021. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 4, 42, 74, 4, 347, 8097, 9606, 95490, 83574, 450279, 13834, 7169259, 4737790, 56000229, 94437082, 391237457, 475501364, 8451656722, 6411101601

Basic calculations (n = 20185420)

Multiplication

n×y
n×2 40370840
n×3 60556260
n×4 80741680
n×5 100927100

Division

n÷y
n÷2 10092710
n÷3 6728473.3333333
n÷3 5046355
n÷5 4037084

Exponentiation

ny
n2 407451180576400
n3 8.2245732094305E+21
n4 1.660164645531E+29
n5 3.3511120639195E+36

Nth Root

y√n
2√n 4492.8187143485
3√n 272.2780281412
4√n 67.028491810188
5√n 28.907301894564

Divisors of 20185420

1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 2510, 4021, 5020, 8042, 16084, 20105, 40210, 80420, 1009271, 2018542, 4037084, 5046355, 10092710, 20185420

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 -20185419
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 20185420 can be divided by 24 positive divisors. The sum of these divisors (counting 20185420) is 1, the average is 0.041666666666667.

Base conversion 20185420

Base System Value
2 Binary 1001101000000000101001100
3 Ternary 1101222112012011
4 Quaternary 1031000011030
5 Quinary 20131413140
6 Senary 2000351004
8 Octal 115000514
10 Decimal 20185420
12 Duodecimal 6915464
16 Hexadecimal 134014c
20 Vigesimal 6633b0
36 Base36 c0n64

Cryptographic Hash Functions

md5 db0d53abf9ddd1f91f978785f7b173f0
sha1 3ebdbe7bbcfb3f1a8cfee59f164e24da93943ae5
sha256 65ca7f5fa03d98274d44e87f40ab7b0a9aa6313b700d0d0246da5d4b9265a89b
sha512 0b02ac2ec5f6a4fe324676db352840faa3ad2204af2e325cf09a51bd03596359dc95a6400aac19031c0639d6cf3e6bfd3ce4bf2b057f879ae5b91c9b0ddc2a7d
ripemd-160 a320b03cd6e67840e2a39aa119df36a179711ed9

20185420 as geometric shapes

Circle

Radius = n
Diameter 40370840
Circumference 126828734.36325
Area 1.2800456355953E+15

Sphere

Radius = n
Volume 3.4451011698211E+22
Surface area 5.1201825423812E+15
Circumference 126828734.36325

Square

Length = n
Perimeter 80741680
Area 407451180576400
Diagonal 28546494.726197

Cube

Length = n
Surface area 2444707083458400
Volume 8.2245732094305E+21
Space diagonal 34962173.012117

Equilateral Triangle

Length = n
Perimeter 60556260
Area 1.7643153659056E+14
Altitude 17481086.506058

Triangular Pyramid

Length = n
Surface area 1.7643153659056E+14
Volume 9.6927524812558E+20
Height 9515498.2420657