820749897 (number)

820749897 is an odd 9-digits composite number following 820749896 and preceding 820749898. In scientific notation, it is written as 8.20749897 × 10^8. The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors. There are 471232080 positive integers (up to 820749897) that are relatively prime to 820749897.

Interesting facts

Basic properties

Name

Name eight hundred twenty million seven hundred forty-nine thousand eight hundred ninety-seven

Notation

Scientific notation 8.20749897 × 10^8
Engineering notation 8.20749897 × 10^6

Prime Factorization of 820749897

Prime Factorization 9 × 121 × 19 × 39667

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 820749897
Product of the distinct prime numbers

The prime factorization of 820749897 is 9 × 121 × 19 × 39667. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 3, 55, 56, 179, 122, 5963, 4442, 24900, 43913, 62113, 555619, 8221543, 2033707, 62863234, 86636768, 785545297, 840365572, 7804143465, 3687162432

Basic calculations (n = 820749897)

Multiplication

n×y
n×2 1641499794
n×3 2462249691
n×4 3282999588
n×5 4103749485

Division

n÷y
n÷2 410374948.5
n÷3 273583299
n÷3 205187474.25
n÷5 164149979.4

Exponentiation

ny
n2 673630393425510609
n3 5.5288207602006E+26
n4 4.5377790694661E+35
n5 3.724381703873E+44

Nth Root

y√n
2√n 28648.732903917
3√n 936.27539904583
4√n 169.25936577902
5√n 60.651586769112

Divisors of 820749897

1, 9, 19, 121, 171, 1089, 2299, 20691, 39667, 357003, 753673, 4799707, 6783057, 43197363, 91194433, 820749897

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 -820749896
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 820749897 can be divided by 16 positive divisors. The sum of these divisors (counting 820749897) is 1, the average is 0.0625.

Base conversion 820749897

Base System Value
2 Binary 110000111010111010011001001001
3 Ternary 2010012101102012100
4 Quaternary 300322322121021
5 Quinary 3140102444042
6 Senary 213235304013
8 Octal 6072723111
10 Decimal 820749897
12 Duodecimal 1aaa4b009
16 Hexadecimal 30eba649
20 Vigesimal cg9deeh
36 Base36 dknio9

Cryptographic Hash Functions

md5 09665c5bbfdf3c5e9ebd11a7a02e3fd4
sha1 442d207f8d17d2d20b39bd4f6816a5fde4c645cf
sha256 3ec4d940cf3682b74f146e9264f30fe139b04d213179c1ceba2a87cf57c04e4d
sha512 0d148aba52569af3f4f92b5f96504c27cf1ba3110e18e46ba8f11c1e080f94d260af77bbdadcc9064482fb752bfb2747e4028421310cf30e8ccb5d03655d42c9
ripemd-160 e664e03e597a3964ffde1c936f10f3552498d321

820749897 as geometric shapes

Circle

Radius = n
Diameter 1641499794
Circumference 5156923693.6996
Area 2.1162722952204E+18

Sphere

Radius = n
Volume 2.3159070244348E+27
Surface area 8.4650891808815E+18
Circumference 5156923693.6996

Square

Length = n
Perimeter 3282999588
Area 673630393425510609
Diagonal 1160715635.6537

Cube

Length = n
Surface area 4041782360553063654
Volume 5.5288207602006E+26
Space diagonal 1421580521.9109

Equilateral Triangle

Length = n
Perimeter 2462249691
Area 2.916905167339E+17
Altitude 710790260.95546

Triangular Pyramid

Length = n
Surface area 2.916905167339E+17
Volume 6.5157777525046E+25
Height 386905211.88457