820147861 (number)

820147861 is an odd 9-digits composite number following 820147860 and preceding 820147862. In scientific notation, it is written as 8.20147861 × 10^8. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 757059552 positive integers (up to 820147861) that are relatively prime to 820147861.

Interesting facts

Basic properties

Name

Name eight hundred twenty million one hundred forty-seven thousand eight hundred sixty-one

Notation

Scientific notation 8.20147861 × 10^8
Engineering notation 8.20147861 × 10^6

Prime Factorization of 820147861

Prime Factorization 13 × 63088297

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 820147861
Product of the distinct prime numbers

The prime factorization of 820147861 is 13 × 63088297. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 7, 43, 28, 205, 973, 7814, 6531, 34282, 34597, 200080, 680816, 7430138, 1768987, 90550929, 77741106, 283632124, 406453342, 1577753434, 3726806457

Basic calculations (n = 820147861)

Multiplication

n×y
n×2 1640295722
n×3 2460443583
n×4 3280591444
n×5 4100739305

Division

n÷y
n÷2 410073930.5
n÷3 273382620.33333
n÷3 205036965.25
n÷5 164029572.2

Exponentiation

ny
n2 672642513902875321
n3 5.5166631899511E+26
n4 4.5244795150958E+35
n5 3.7107421964441E+44

Nth Root

y√n
2√n 28638.223775227
3√n 936.04641764897
4√n 169.22831847899
5√n 60.642686333751

Divisors of 820147861

1, 13, 63088297, 820147861

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 -820147860
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 820147861 can be divided by 4 positive divisors. The sum of these divisors (counting 820147861) is 1, the average is 0.25.

Base conversion 820147861

Base System Value
2 Binary 110000111000100111011010010101
3 Ternary 2010011020211100201
4 Quaternary 300320213122111
5 Quinary 3134424212421
6 Senary 213214340501
8 Octal 6070473225
10 Decimal 820147861
12 Duodecimal 1aa7ba731
16 Hexadecimal 30e27695
20 Vigesimal cg5i9d1
36 Base36 dkam51

Cryptographic Hash Functions

md5 e94b0ab4c15b1b284f65df1b4e351ed9
sha1 87ac068063b722405db2268251260399b4536170
sha256 2b3da17e13e2138b18fedd1955034d5578e7635f5977fe83f29e21fd6d3acdc0
sha512 3a3110b400099092c9bc5d2e3b4c7687d47eb2ef82b23cc986004e3eeabd1a9995bb04eb86e4a02ec3693be00c51b675bbd6dd70d97dd7680da2bd7edaf936bb
ripemd-160 2200679c9b4ed70990db7806a15c4e1a81b8ca64

820147861 as geometric shapes

Circle

Radius = n
Diameter 1640295722
Circumference 5153140989.95
Area 2.1131687801694E+18

Sphere

Radius = n
Volume 2.3108144733173E+27
Surface area 8.4526751206778E+18
Circumference 5153140989.95

Square

Length = n
Perimeter 3280591444
Area 672642513902875321
Diagonal 1159864228.1775

Cube

Length = n
Surface area 4035855083417251926
Volume 5.5166631899511E+26
Space diagonal 1420537764.9709

Equilateral Triangle

Length = n
Perimeter 2460443583
Area 2.9126275235266E+17
Altitude 710268882.48547

Triangular Pyramid

Length = n
Surface area 2.9126275235266E+17
Volume 6.501449918561E+25
Height 386621409.39249