821640961 (number)

821640961 is an odd 9-digits prime number following 821640960 and preceding 821640962. In scientific notation, it is written as 8.21640961 × 10^8. The sum of its digits is 37. It has a total of 1 prime factors and 2 positive divisors. There are 821640960 positive integers (up to 821640961) that are relatively prime to 821640961.

Interesting facts

Basic properties

Name

Name eight hundred twenty-one million six hundred forty thousand nine hundred sixty-one

Notation

Scientific notation 8.21640961 × 10^8
Engineering notation 8.21640961 × 10^6

Prime Factorization of 821640961

Prime Factorization 821640961

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 821640961
Product of the distinct prime numbers

The prime factorization of 821640961 is 821640961. Since it has a total of 1 prime factors.

Most popular turbo-numbers

4, 4, 58, 60, 279, 726, 2255, 1499, 88779, 35935, 543709, 387108, 2727695, 5213078, 65610545, 40102400, 541938984, 675354634, 1307945721, 6915858922

Basic calculations (n = 821640961)

Multiplication

n×y
n×2 1643281922
n×3 2464922883
n×4 3286563844
n×5 4108204805

Division

n÷y
n÷2 410820480.5
n÷3 273880320.33333
n÷3 205410240.25
n÷5 164328192.2

Exponentiation

ny
n2 675093868793003521
n3 5.5468477512029E+26
n4 4.5575173168191E+35
n5 3.7446429079653E+44

Nth Root

y√n
2√n 28664.280228186
3√n 936.61410537971
4√n 169.30528706507
5√n 60.664750582157

Divisors of 821640961

1, 821640961

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 821640962
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 410820481
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 28664.28024563
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999975658
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 821640961 can be divided by 2 positive divisors. The sum of these divisors (counting 821640961) is 821640962, the average is 410820481.

Base conversion 821640961

Base System Value
2 Binary 110000111110010011111100000001
3 Ternary 2010021001200111201
4 Quaternary 300332103330001
5 Quinary 3140320002321
6 Senary 213310341201
8 Octal 6076237401
10 Decimal 821640961
12 Duodecimal 1ab1ba801
16 Hexadecimal 30f93f01
20 Vigesimal cgf5281
36 Base36 dl6m81

Cryptographic Hash Functions

md5 498274d0a406eede26efecd603678aaa
sha1 1c761aa5adef2e0705f1a9a7747886445fc5930a
sha256 93f8efc3eaa4de9f79d8106377d87068db26b7c4250ae68d5395af3742aabfd9
sha512 15037a84e001f7b0b4c66895540cc4c41587e97c21903472e6f6bd8271c5d56c2bb709e1f868e4a376012b77e91f2eaa5a0b5c9cef3953fdb01fefc31e1b05f9
ripemd-160 8a1eac03843d5a542e5755855464dd32a22797f0

821640961 as geometric shapes

Circle

Radius = n
Diameter 1643281922
Circumference 5162522413.9321
Area 2.1208699386836E+18

Sphere

Radius = n
Volume 2.323458152768E+27
Surface area 8.4834797547344E+18
Circumference 5162522413.9321

Square

Length = n
Perimeter 3286563844
Area 675093868793003521
Diagonal 1161975790.4475

Cube

Length = n
Surface area 4050563212758021126
Volume 5.5468477512029E+26
Space diagonal 1423123890.0317

Equilateral Triangle

Length = n
Perimeter 2464922883
Area 2.9232422015693E+17
Altitude 711561945.01586

Triangular Pyramid

Length = n
Surface area 2.9232422015693E+17
Volume 6.5370227651416E+25
Height 387325263.48249