685996891 (number)

685996891 is an odd 9-digits composite number following 685996890 and preceding 685996892. In scientific notation, it is written as 6.85996891 × 10^8. The sum of its digits is 61. It has a total of 2 prime factors and 4 positive divisors. There are 685573632 positive integers (up to 685996891) that are relatively prime to 685996891.

Interesting facts

Basic properties

Name

Name six hundred eighty-five million nine hundred ninety-six thousand eight hundred ninety-one

Notation

Scientific notation 6.85996891 × 10^8
Engineering notation 6.85996891 × 10^6

Prime Factorization of 685996891

Prime Factorization 1627 × 421633

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 685996891
Product of the distinct prime numbers

The prime factorization of 685996891 is 1627 × 421633. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 9, 87, 59, 649, 384, 7307, 93, 42530, 60577, 31857, 747048, 2540376, 7512110, 75138133, 88914606, 251953122, 474972762, 3276884916, 7975781423

Basic calculations (n = 685996891)

Multiplication

n×y
n×2 1371993782
n×3 2057990673
n×4 2743987564
n×5 3429984455

Division

n÷y
n÷2 342998445.5
n÷3 228665630.33333
n÷3 171499222.75
n÷5 137199378.2

Exponentiation

ny
n2 470591734461665881
n3 3.22824466771E+26
n4 2.2145658054364E+35
n5 1.5191852574443E+44

Nth Root

y√n
2√n 26191.542356265
3√n 881.94340257932
4√n 161.83801270488
5√n 58.514625452258

Divisors of 685996891

1, 1627, 421633, 685996891

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 -685996890
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 685996891 can be divided by 4 positive divisors. The sum of these divisors (counting 685996891) is 1, the average is 0.25.

Base conversion 685996891

Base System Value
2 Binary 101000111000110111101101011011
3 Ternary 1202210211020211021
4 Quaternary 220320313231123
5 Quinary 2401103400031
6 Senary 152023143311
8 Octal 5070675533
10 Decimal 685996891
12 Duodecimal 1718a4b37
16 Hexadecimal 28e37b5b
20 Vigesimal ae79c4b
36 Base36 bcfal7

Cryptographic Hash Functions

md5 e590a4fc3343ac0e66ae5b861417a555
sha1 52ee4a2cfe3ca2524fcb2968affde4c40e945f1f
sha256 25229f087d0bf3dca7101bd2343cc43853d52aebed7768a0cdf2a54bbc408852
sha512 2d8bd463359499581002566fcf7cf1338ca98a8d2ed8afe9acf13987ddcad220d0cbb2354e9e011a4ec0741b74b8f0a03ef65e6d2053feb0d522270f609775d3
ripemd-160 47f4e05598f6e0eae00e6ffb1596683856c5d4ac

685996891 as geometric shapes

Circle

Radius = n
Diameter 1371993782
Circumference 4310245586.3021
Area 1.4784075358248E+18

Sphere

Radius = n
Volume 1.3522439642758E+27
Surface area 5.9136301432994E+18
Circumference 4310245586.3021

Square

Length = n
Perimeter 2743987564
Area 470591734461665881
Diagonal 970146106.99798

Cube

Length = n
Surface area 2823550406769995286
Volume 3.22824466771E+26
Space diagonal 1188181469.0463

Equilateral Triangle

Length = n
Perimeter 2057990673
Area 2.0377219842739E+17
Altitude 594090734.52314

Triangular Pyramid

Length = n
Surface area 2.0377219842739E+17
Volume 3.8045228264451E+25
Height 323382035.66599