688340945 (number)

688340945 is an odd 9-digits composite number following 688340944 and preceding 688340946. In scientific notation, it is written as 6.88340945 × 10^8. The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors. There are 540282496 positive integers (up to 688340945) that are relatively prime to 688340945.

Interesting facts

Basic properties

Name

Name six hundred eighty-eight million three hundred forty thousand nine hundred forty-five

Notation

Scientific notation 6.88340945 × 10^8
Engineering notation 6.88340945 × 10^6

Prime Factorization of 688340945

Prime Factorization 5 × 53 × 2597513

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 688340945
Product of the distinct prime numbers

The prime factorization of 688340945 is 5 × 53 × 2597513. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 8, 40, 100, 997, 294, 6782, 657, 17676, 34447, 968267, 161780, 7333444, 3554037, 84392330, 57669288, 354172768, 86544324, 9651940757, 6176776153

Basic calculations (n = 688340945)

Multiplication

n×y
n×2 1376681890
n×3 2065022835
n×4 2753363780
n×5 3441704725

Division

n÷y
n÷2 344170472.5
n÷3 229446981.66667
n÷3 172085236.25
n÷5 137668189

Exponentiation

ny
n2 473813256563493025
n3 3.2614506477644E+26
n4 2.244990020953E+35
n5 1.5453185525384E+44

Nth Root

y√n
2√n 26236.252495355
3√n 882.94679523994
4√n 161.97608618359
5√n 58.554559846893

Divisors of 688340945

1, 5, 53, 265, 2597513, 12987565, 137668189, 688340945

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -688340944
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 688340945 can be divided by 8 positive divisors. The sum of these divisors (counting 688340945) is 1, the average is 0.125.

Base conversion 688340945

Base System Value
2 Binary 101001000001110011111111010001
3 Ternary 1202222020100021002
4 Quaternary 221001303333101
5 Quinary 2402203402240
6 Senary 152145311345
8 Octal 5101637721
10 Decimal 688340945
12 Duodecimal 172635555
16 Hexadecimal 29073fd1
20 Vigesimal af22c75
36 Base36 bdtj9t

Cryptographic Hash Functions

md5 dce4ca22d671a2b3d0ddb690033fc90a
sha1 007c7727780f1c15dde772fef53586b1a967254a
sha256 0b1b4dcf71749cc372747323225b8ee1c9ef3137d391b29d24a87b1745057b4d
sha512 38dc7e3740805cb229f0a96aa1d8939359b492ab48b6a7c0466848e4d681cc250037f3b88841fd646731aebb5c4e10b360a0760f58e6c782786be429f3ccecb6
ripemd-160 a477dd98f660ebb7e553d46e9e386d521dcdf96e

688340945 as geometric shapes

Circle

Radius = n
Diameter 1376681890
Circumference 4324973711.9541
Area 1.4885282459933E+18

Sphere

Radius = n
Volume 1.366153252675E+27
Surface area 5.9541129839733E+18
Circumference 4324973711.9541

Square

Length = n
Perimeter 2753363780
Area 473813256563493025
Diagonal 973461099.95571

Cube

Length = n
Surface area 2842879539380958150
Volume 3.2614506477644E+26
Space diagonal 1192241489.67

Equilateral Triangle

Length = n
Perimeter 2065022835
Area 2.0516715841691E+17
Altitude 596120744.83499

Triangular Pyramid

Length = n
Surface area 2.0516715841691E+17
Volume 3.8436564492325E+25
Height 324487033.31857