420215985 (number)

420215985 is an odd 9-digits composite number following 420215984 and preceding 420215986. In scientific notation, it is written as 4.20215985 × 10^8. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 189362880 positive integers (up to 420215985) that are relatively prime to 420215985.

Interesting facts

Basic properties

Name

Name four hundred twenty million two hundred fifteen thousand nine hundred eighty-five

Notation

Scientific notation 4.20215985 × 10^8
Engineering notation 4.20215985 × 10^6

Prime Factorization of 420215985

Prime Factorization 945 × 71 × 6263

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 420215985
Product of the distinct prime numbers

The prime factorization of 420215985 is 945 × 71 × 6263. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 8, 75, 69, 409, 997, 6090, 2042, 61538, 62178, 685002, 757747, 2293415, 5013947, 89905411, 40932716, 124740582, 304986735, 525600076, 2707409253

Basic calculations (n = 420215985)

Multiplication

n×y
n×2 840431970
n×3 1260647955
n×4 1680863940
n×5 2101079925

Division

n÷y
n÷2 210107992.5
n÷3 140071995
n÷3 105053996.25
n÷5 84043197

Exponentiation

ny
n2 176581474049520225
n3 7.4202358050471E+25
n4 3.1181016977501E+34
n5 1.3102761762502E+43

Nth Root

y√n
2√n 20499.170349065
3√n 749.01558847725
4√n 143.17531333671
5√n 53.05111471699

Divisors of 420215985

1, 71, 945, 6263, 67095, 444673, 5918535, 420215985

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -420215984
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 420215985 can be divided by 8 positive divisors. The sum of these divisors (counting 420215985) is 1, the average is 0.125.

Base conversion 420215985

Base System Value
2 Binary 11001000010111111110010110001
3 Ternary 1002021201011222000
4 Quaternary 121002333302301
5 Quinary 1330033402420
6 Senary 105410404213
8 Octal 3102776261
10 Decimal 420215985
12 Duodecimal b8890669
16 Hexadecimal 190bfcb1
20 Vigesimal 6b66jj5
36 Base36 6y6oq9

Cryptographic Hash Functions

md5 247fecb24cf36136c756fba813b52d25
sha1 7c30c93cd0b72978805788ab0b4d14f9bbe9e41d
sha256 006ea1ea7e7a58b5e864e18e0a6018dd84014572a8a4e2b3cdd7fae874feb91f
sha512 2580165bfe4adaf10b51a3ee2bb1337e08863bab059f6775f69c7bacb712ec2984abcae918b6be9602cc3a96408244883c4db94c6bed41d699d66391d1987c73
ripemd-160 41e78cfda33cb1493ea1b3923988296b5ca293f4

420215985 as geometric shapes

Circle

Radius = n
Diameter 840431970
Circumference 2640294902.794
Area 5.5474706163403E+17

Sphere

Radius = n
Volume 3.1081811057387E+26
Surface area 2.2189882465361E+18
Circumference 2640294902.794

Square

Length = n
Perimeter 1680863940
Area 176581474049520225
Diagonal 594275145.11297

Cube

Length = n
Surface area 1059488844297121350
Volume 7.4202358050471E+25
Space diagonal 727835436.1726

Equilateral Triangle

Length = n
Perimeter 1260647955
Area 7.6462021182294E+16
Altitude 363917718.0863

Triangular Pyramid

Length = n
Surface area 7.6462021182294E+16
Volume 8.7448317595867E+24
Height 198091715.03766