821490231 (number)

821490231 is an odd 9-digits composite number following 821490230 and preceding 821490232. In scientific notation, it is written as 8.21490231 × 10^8. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 543899424 positive integers (up to 821490231) that are relatively prime to 821490231.

Interesting facts

Basic properties

Name

Name eight hundred twenty-one million four hundred ninety thousand two hundred thirty-one

Notation

Scientific notation 8.21490231 × 10^8
Engineering notation 8.21490231 × 10^6

Prime Factorization of 821490231

Prime Factorization 3 × 263 × 367 × 2837

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 821490231
Product of the distinct prime numbers

The prime factorization of 821490231 is 3 × 263 × 367 × 2837. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 7, 90, 45, 6, 287, 8158, 8833, 10463, 24439, 626849, 801080, 1322062, 3206917, 65727818, 22866013, 610828854, 307634960, 2416381814, 8343603009

Basic calculations (n = 821490231)

Multiplication

n×y
n×2 1642980462
n×3 2464470693
n×4 3285960924
n×5 4107451155

Division

n÷y
n÷2 410745115.5
n÷3 273830077
n÷3 205372557.75
n÷5 164298046.2

Exponentiation

ny
n2 674846199628433361
n3 5.5437956042223E+26
n4 4.5541739315294E+35
n5 3.7412093950263E+44

Nth Root

y√n
2√n 28661.650877087
3√n 936.55682793754
4√n 169.29752176889
5√n 60.662524629618

Divisors of 821490231

1, 3, 263, 367, 789, 1101, 2837, 8511, 96521, 289563, 746131, 1041179, 2238393, 3123537, 273830077, 821490231

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -821490230
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 821490231 can be divided by 16 positive divisors. The sum of these divisors (counting 821490231) is 1, the average is 0.0625.

Base conversion 821490231

Base System Value
2 Binary 110000111101101111001000110111
3 Ternary 2010020210000202010
4 Quaternary 300331233020313
5 Quinary 3140300141411
6 Senary 213303215303
8 Octal 6075571067
10 Decimal 821490231
12 Duodecimal 1ab147533
16 Hexadecimal 30f6f237
20 Vigesimal cge65bb
36 Base36 dl3dx3

Cryptographic Hash Functions

md5 d472dec0a28d90ef76d79dcf87588ba2
sha1 7839b7999d74902288d15816aa5b8baeb36a2a3b
sha256 b88351234abe0f26dff384683b9b3ce4f4d3e47bc5dd9ba479a889a5144cf4ba
sha512 7cac092ce0239236ca1dc0d1045b94c38f68ecacb5ddb6da4c29a129af3b6b6207cf0b728ce2426a7e88ecfca1e27adc878ab505e6c69e853433a9d87f2f2b0f
ripemd-160 3cf095368774115d217531a8d8b17fcec0801e24

821490231 as geometric shapes

Circle

Radius = n
Diameter 1642980462
Circumference 5161575349.4108
Area 2.1200918630557E+18

Sphere

Radius = n
Volume 2.3221796724304E+27
Surface area 8.4803674522227E+18
Circumference 5161575349.4108

Square

Length = n
Perimeter 3285960924
Area 674846199628433361
Diagonal 1161762626.0372

Cube

Length = n
Surface area 4049077197770600166
Volume 5.5437956042223E+26
Space diagonal 1422862818.0135

Equilateral Triangle

Length = n
Perimeter 2464470693
Area 2.922169762628E+17
Altitude 711431409.00675

Triangular Pyramid

Length = n
Surface area 2.922169762628E+17
Volume 6.5334257754296E+25
Height 387254208.67907