681808897 (number)

681808897 is an odd 9-digits composite number following 681808896 and preceding 681808898. In scientific notation, it is written as 6.81808897 × 10^8. The sum of its digits is 55. It has a total of 5 prime factors and 32 positive divisors. There are 519160320 positive integers (up to 681808897) that are relatively prime to 681808897.

Interesting facts

Basic properties

Name

Name six hundred eighty-one million eight hundred eight thousand eight hundred ninety-seven

Notation

Scientific notation 6.81808897 × 10^8
Engineering notation 6.81808897 × 10^6

Prime Factorization of 681808897

Prime Factorization 7 × 11 × 223 × 59 × 673

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 681808897
Product of the distinct prime numbers

The prime factorization of 681808897 is 7 × 11 × 223 × 59 × 673. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 681808897)

Multiplication

n×y
n×2 1363617794
n×3 2045426691
n×4 2727235588
n×5 3409044485

Division

n÷y
n÷2 340904448.5
n÷3 227269632.33333
n÷3 170452224.25
n÷5 136361779.4

Exponentiation

ny
n2 464863372028356609
n3 3.1694798293835E+26
n4 2.1609795465357E+35
n5 1.4733750810631E+44

Nth Root

y√n
2√n 26111.470602017
3√n 880.14499031438
4√n 161.59044093639
5√n 58.443004272515

Divisors of 681808897

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -681808896
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 681808897 can be divided by 32 positive divisors. The sum of these divisors (counting 681808897) is 1, the average is 0.03125.

Base conversion 681808897

Base System Value
2 Binary 101000101000111001010000000001
3 Ternary 1202111221110222101
4 Quaternary 220220321100001
5 Quinary 2344020341042
6 Senary 151353310401
8 Octal 5050712001
10 Decimal 681808897
12 Duodecimal 170405401
16 Hexadecimal 28a39401
20 Vigesimal ad1624h
36 Base36 b9xj41

Cryptographic Hash Functions

md5 7a10b9e424e0968e53e8c1158cf26d78
sha1 c1999542be5bb8d99ad4f98cda03df802d3158e4
sha256 d7d8efe6a43157120f72995637e4087bda8c5daaebba25cd66aa15e9bff499bd
sha512 66cfe503fb8aee4fcbd0e596cdc3e37e8ae9908f57228b10b1503fd5f7de92114cb6a4348cf430387605690b9f901ea9fdaf518c0dda8ac098ab75b5f389658a
ripemd-160 400ecf590d13d8fc561ee2e14484fca4190b7c04

681808897 as geometric shapes

Circle

Radius = n
Diameter 1363617794
Circumference 4283931643.9347
Area 1.4604113544873E+18

Sphere

Radius = n
Volume 1.327628606359E+27
Surface area 5.8416454179491E+18
Circumference 4283931643.9347

Square

Length = n
Perimeter 2727235588
Area 464863372028356609
Diagonal 964223389.08404

Cube

Length = n
Surface area 2789180232170139654
Volume 3.1694798293835E+26
Space diagonal 1180927650.6565

Equilateral Triangle

Length = n
Perimeter 2045426691
Area 2.0129174473273E+17
Altitude 590463825.32825

Triangular Pyramid

Length = n
Surface area 2.0129174473273E+17
Volume 3.7352678003185E+25
Height 321407796.36135