820161109 (number)

820161109 is an odd 9-digits composite number following 820161108 and preceding 820161110. In scientific notation, it is written as 8.20161109 × 10^8. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 818094816 positive integers (up to 820161109) that are relatively prime to 820161109.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.20161109 × 10^8
Engineering notation 8.20161109 × 10^6

Prime Factorization of 820161109

Prime Factorization 397 × 2065897

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 820161109
Product of the distinct prime numbers

The prime factorization of 820161109 is 397 × 2065897. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 1, 31, 20, 953, 853, 5406, 3560, 15016, 32409, 391135, 795390, 8371060, 4308817, 55806120, 80649684, 628604092, 622611009, 5883675479, 2746788806

Basic calculations (n = 820161109)

Multiplication

n×y
n×2 1640322218
n×3 2460483327
n×4 3280644436
n×5 4100805545

Division

n÷y
n÷2 410080554.5
n÷3 273387036.33333
n÷3 205040277.25
n÷5 164032221.8

Exponentiation

ny
n2 672664244716109881
n3 5.5169305293101E+26
n4 4.5247718611949E+35
n5 3.7110419076496E+44

Nth Root

y√n
2√n 28638.455073555
3√n 936.05145766544
4√n 169.22900186893
5√n 60.64288224699

Divisors of 820161109

1, 397, 2065897, 820161109

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 -820161108
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 820161109 can be divided by 4 positive divisors. The sum of these divisors (counting 820161109) is 1, the average is 0.25.

Base conversion 820161109

Base System Value
2 Binary 110000111000101010101001010101
3 Ternary 2010011021111112101
4 Quaternary 300320222221111
5 Quinary 3134430123414
6 Senary 213214522101
8 Octal 6070525125
10 Decimal 820161109
12 Duodecimal 1aa806331
16 Hexadecimal 30e2aa55
20 Vigesimal cg602f9
36 Base36 dkawd1

Cryptographic Hash Functions

md5 1d2458393d4ff9dd9798c1eb8a5dd525
sha1 2d4b66789a35023d699d6e12a2b97b321d0de479
sha256 cedcc55c9d0460d47248b44f5b6c7b7c86c655cdd88636ae7cb4c468f7e3b6af
sha512 24407a72cc96e3e3b93b6601329a1e14fb7c740f6bc7d3fe1250663952276df31e69159a2980256bb44fe1a0931d67701acde58e9c83291bcd495e8953fa8015
ripemd-160 657dacac7d51aec9a28e70c3c341b787c70eabff

820161109 as geometric shapes

Circle

Radius = n
Diameter 1640322218
Circumference 5153224229.5889
Area 2.1132370495327E+18

Sphere

Radius = n
Volume 2.3109264561661E+27
Surface area 8.4529481981306E+18
Circumference 5153224229.5889

Square

Length = n
Perimeter 3280644436
Area 672664244716109881
Diagonal 1159882963.6788

Cube

Length = n
Surface area 4035985468296659286
Volume 5.5169305293101E+26
Space diagonal 1420560711.18

Equilateral Triangle

Length = n
Perimeter 2460483327
Area 2.9127216207081E+17
Altitude 710280355.59002

Triangular Pyramid

Length = n
Surface area 2.9127216207081E+17
Volume 6.5017649810171E+25
Height 386627654.55959