861421 (number)

861421 is an odd 6-digits composite number following 861420 and preceding 861422. In scientific notation, it is written as 8.61421 × 10^5. The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors. There are 783100 positive integers (up to 861421) that are relatively prime to 861421.

Interesting facts

Basic properties

Name

Name eight hundred sixty-one thousand four hundred twenty-one

Notation

Scientific notation 8.61421 × 10^5
Engineering notation 8.61421 × 10^3

Prime Factorization of 861421

Prime Factorization 11 × 78311

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 861421
Product of the distinct prime numbers

The prime factorization of 861421 is 11 × 78311. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 861421)

Multiplication

n×y
n×2 1722842
n×3 2584263
n×4 3445684
n×5 4307105

Division

n÷y
n÷2 430710.5
n÷3 287140.33333333
n÷3 215355.25
n÷5 172284.2

Exponentiation

ny
n2 742046139241
n3 639214127311121461
n4 5.5063247276247E+23
n5 4.7432637531952E+29

Nth Root

y√n
2√n 928.1276851813
3√n 95.149202297351
4√n 30.465188087082
5√n 15.383072645943

Divisors of 861421

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -861420
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 861421 can be divided by 4 positive divisors. The sum of these divisors (counting 861421) is 1, the average is 0.25.

Base conversion 861421

Base System Value
2 Binary 11010010010011101101
3 Ternary 1121202122111
4 Quaternary 3102103231
5 Quinary 210031141
6 Senary 30244021
8 Octal 3222355
10 Decimal 861421
12 Duodecimal 356611
16 Hexadecimal d24ed
20 Vigesimal 57db1
36 Base36 igod

Cryptographic Hash Functions

md5 592d8794886f2bd85ad6e880893c05bd
sha1 80ebcfbed13a32c4dffc08d756d478a05f6ec3f3
sha256 f43fd17f8a8ed3afdc822e9966909ab555b6ca0ff43b06f8c4a82717da2b4e73
sha512 c517f968cac794c029db9fb382d48c44bdc50e87b690c8ba35d2d6d9e5e81c15360c8c578cc3704f740f499d9625cd234014a6d8c642be5f313d91e7f322bcc5
ripemd-160 a0540f90e0f8ab8f52d3c02d7169637bab586fd6

861421 as geometric shapes

Circle

Radius = n
Diameter 1722842
Circumference 5412467.7704959
Area 2331206699664.2

Sphere

Radius = n
Volume 2.6775338752419E+18
Surface area 9324826798656.8
Circumference 5412467.7704959

Square

Length = n
Perimeter 3445684
Area 742046139241
Diagonal 1218233.261113

Cube

Length = n
Surface area 4452276835446
Volume 639214127311121461
Space diagonal 1492024.9387068

Equilateral Triangle

Length = n
Perimeter 2584263
Area 321315403681.44
Altitude 746012.46935339

Triangular Pyramid

Length = n
Surface area 321315403681.44
Volume 7.5332107341989E+16
Height 406077.75370433