687528021 (number)

687528021 is an odd 9-digits composite number following 687528020 and preceding 687528022. In scientific notation, it is written as 6.87528021 × 10^8. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 457939440 positive integers (up to 687528021) that are relatively prime to 687528021.

Interesting facts

Basic properties

Name

Name six hundred eighty-seven million five hundred twenty-eight thousand twenty-one

Notation

Scientific notation 6.87528021 × 10^8
Engineering notation 6.87528021 × 10^6

Prime Factorization of 687528021

Prime Factorization 3 × 1117 × 205171

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 687528021
Product of the distinct prime numbers

The prime factorization of 687528021 is 3 × 1117 × 205171. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 687528021)

Multiplication

n×y
n×2 1375056042
n×3 2062584063
n×4 2750112084
n×5 3437640105

Division

n÷y
n÷2 343764010.5
n÷3 229176007
n÷3 171882005.25
n÷5 137505604.2

Exponentiation

ny
n2 472694779660176441
n3 3.2499090639679E+26
n4 2.2344035471798E+35
n5 1.5362150489079E+44

Nth Root

y√n
2√n 26220.755538314
3√n 882.59907444324
4√n 161.92824194165
5√n 58.540722835003

Divisors of 687528021

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 -687528020
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 687528021 can be divided by 8 positive divisors. The sum of these divisors (counting 687528021) is 1, the average is 0.125.

Base conversion 687528021

Base System Value
2 Binary 101000111110101101100001010101
3 Ternary 1202220201001010210
4 Quaternary 220332231201111
5 Quinary 2402001344041
6 Senary 152120040033
8 Octal 5076554125
10 Decimal 687528021
12 Duodecimal 172303019
16 Hexadecimal 28fad855
20 Vigesimal aeh1011
36 Base36 bdc40l

Cryptographic Hash Functions

md5 fad868ee39e0c2bf0abf54a139b90c2d
sha1 03636f03bcbb45b25bf96ff5ca6672021928da9a
sha256 de46f811ceced7335f02498b830298002c332a4f51fa48245d4338be20112c3f
sha512 e70133d74a1e86e973f1709a45365b4ee3e8e40d6cb87b86be94d36952965819ac41a606c64ad6dbab54d92383f0d200b914820615b198cfe01bb7a25cf6eb47
ripemd-160 c0de19be06d56678f7ae4fb5bc77fcac2b06ed07

687528021 as geometric shapes

Circle

Radius = n
Diameter 1375056042
Circumference 4319865959.8215
Area 1.4850144471707E+18

Sphere

Radius = n
Volume 1.3613187253595E+27
Surface area 5.9400577886826E+18
Circumference 4319865959.8215

Square

Length = n
Perimeter 2750112084
Area 472694779660176441
Diagonal 972311451.80973

Cube

Length = n
Surface area 2836168677961058646
Volume 3.2499090639679E+26
Space diagonal 1190833463.9993

Equilateral Triangle

Length = n
Perimeter 2062584063
Area 2.04682843711E+17
Altitude 595416731.99964

Triangular Pyramid

Length = n
Surface area 2.04682843711E+17
Volume 3.8300545622856E+25
Height 324103817.26991