687557421 (number)

687557421 is an odd 9-digits composite number following 687557420 and preceding 687557422. In scientific notation, it is written as 6.87557421 × 10^8. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 445982976 positive integers (up to 687557421) that are relatively prime to 687557421.

Interesting facts

Basic properties

Name

Name six hundred eighty-seven million five hundred fifty-seven thousand four hundred twenty-one

Notation

Scientific notation 6.87557421 × 10^8
Engineering notation 6.87557421 × 10^6

Prime Factorization of 687557421

Prime Factorization 9 × 37 × 2064737

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 687557421
Product of the distinct prime numbers

The prime factorization of 687557421 is 9 × 37 × 2064737. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 7, 33, 97, 783, 276, 2569, 3091, 75584, 6955, 276492, 565807, 7018834, 8025798, 38508420, 75095056, 971977096, 694745356, 6152239368, 2137450824

Basic calculations (n = 687557421)

Multiplication

n×y
n×2 1375114842
n×3 2062672263
n×4 2750229684
n×5 3437787105

Division

n÷y
n÷2 343778710.5
n÷3 229185807
n÷3 171889355.25
n÷5 137511484.2

Exponentiation

ny
n2 472735207172171241
n3 3.250325998592E+26
n4 2.2347857610012E+35
n5 1.5365435343215E+44

Nth Root

y√n
2√n 26221.316156898
3√n 882.6116547998
4√n 161.92997300345
5√n 58.54122348887

Divisors of 687557421

1, 9, 37, 333, 2064737, 18582633, 76395269, 687557421

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 -687557420
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 687557421 can be divided by 8 positive divisors. The sum of these divisors (counting 687557421) is 1, the average is 0.125.

Base conversion 687557421

Base System Value
2 Binary 101000111110110100101100101101
3 Ternary 1202220202112110200
4 Quaternary 220332310230231
5 Quinary 2402003314141
6 Senary 152120424113
8 Octal 5076645455
10 Decimal 687557421
12 Duodecimal 172318039
16 Hexadecimal 28fb4b2d
20 Vigesimal aeh4db1
36 Base36 bdcqp9

Cryptographic Hash Functions

md5 adc5814d2bf0d7b8257405b69ad401db
sha1 6698852713994467acb079e458cdbfa2015b33b7
sha256 d253fd2a8ff7dc57816477ae4c418a6be652fed783c7dd4e91c61b559db287fb
sha512 d78ac402b1432ab84b3e6dfe8c1e5c2d440705fa3acbec2dc965c7cd3350226494169946745b492a2dc952624947e719e09a0334a38bb3b78bb6d0142473a55b
ripemd-160 01af7ab4a11bf8e831245e102210e67c18a1128f

687557421 as geometric shapes

Circle

Radius = n
Diameter 1375114842
Circumference 4320050685.4695
Area 1.4851414539453E+18

Sphere

Radius = n
Volume 1.3614933705265E+27
Surface area 5.9405658157814E+18
Circumference 4320050685.4695

Square

Length = n
Perimeter 2750229684
Area 472735207172171241
Diagonal 972353029.68847

Cube

Length = n
Surface area 2836411243033027446
Volume 3.250325998592E+26
Space diagonal 1190884386.293

Equilateral Triangle

Length = n
Perimeter 2062672263
Area 2.047003493372E+17
Altitude 595442193.14651

Triangular Pyramid

Length = n
Surface area 2.047003493372E+17
Volume 3.8305459244522E+25
Height 324117676.56282