6687642721 (number)

6687642721 is an odd 10-digits composite number following 6687642720 and preceding 6687642722. In scientific notation, it is written as 6.687642721 × 10^9. The sum of its digits is 49. It has a total of 4 prime factors and 16 positive divisors. There are 6481434960 positive integers (up to 6687642721) that are relatively prime to 6687642721.

Interesting facts

Basic properties

Name

Name six billion six hundred eighty-seven million six hundred forty-two thousand seven hundred twenty-one

Notation

Scientific notation 6.687642721 × 10^9
Engineering notation 6.687642721 × 10^9

Prime Factorization of 6687642721

Prime Factorization 67 × 71 × 599 × 2347

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 6687642721
Product of the distinct prime numbers

The prime factorization of 6687642721 is 67 × 71 × 599 × 2347. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 2, 12, 24, 215, 959, 7187, 8342, 89789, 95794, 157664, 53063, 8790718, 4166384, 66731594, 68717413, 308432575, 674216700, 3292818794, 3484568905

Basic calculations (n = 6687642721)

Multiplication

n×y
n×2 13375285442
n×3 20062928163
n×4 26750570884
n×5 33438213605

Division

n÷y
n÷2 3343821360.5
n÷3 2229214240.3333
n÷3 1671910680.25
n÷5 1337528544.2

Exponentiation

ny
n2 4.4724565163744E+19
n3 2.991019126672E+29
n4 2.000286729086E+39
n5 1.3377202983685E+49

Nth Root

y√n
2√n 81778.008785981
3√n 1884.0439134054
4√n 285.9685450989
5√n 92.268744812604

Divisors of 6687642721

1, 67, 71, 599, 2347, 4757, 40133, 42529, 157249, 166637, 1405853, 2849443, 11164679, 94192151, 99815563, 6687642721

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -6687642720
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 6687642721 can be divided by 16 positive divisors. The sum of these divisors (counting 6687642721) is 1, the average is 0.0625.

Base conversion 6687642721

Base System Value
2 Binary 110001110100111010101010001100001
3 Ternary 122021001222110011011
4 Quaternary 12032213111101201
5 Quinary 102144014031341
6 Senary 3023335220521
8 Octal 61647252141
10 Decimal 6687642721
12 Duodecimal 1367817741
16 Hexadecimal 18e9d5461
20 Vigesimal 549hf6g1
36 Base36 32lne5d

Cryptographic Hash Functions

md5 6abb54e87fa71047b9cdf76926566b03
sha1 a1cbb34ff0c891dd7253f994fe12346b8dd2defc
sha256 a09d757f0ecf4da82595f973508fc1dd17f51206ee75aa0f19d2669a6b8d30a8
sha512 b4496f145bbb664215ed526c3a9d244d3d71c0755db3d84850979a612abdc663d66148368831d123d44998f35ebe519d8cf6dfb50cd9a1b3cd7d0cfef009a221
ripemd-160 3f8650a415f717edfa65f7bbf6cb12fe74750fb3

6687642721 as geometric shapes

Circle

Radius = n
Diameter 13375285442
Circumference 42019698484.254
Area 1.4050636535342E+20

Sphere

Radius = n
Volume 1.2528751620133E+30
Surface area 5.6202546141367E+20
Circumference 42019698484.254

Square

Length = n
Perimeter 26750570884
Area 4.4724565163744E+19
Diagonal 9457755036.3439

Cube

Length = n
Surface area 2.6834739098247E+20
Volume 2.991019126672E+29
Space diagonal 11583336975.64

Equilateral Triangle

Length = n
Perimeter 20062928163
Area 1.9366304802508E+19
Altitude 5791668487.8201

Triangular Pyramid

Length = n
Surface area 1.9366304802508E+19
Volume 3.5249498452141E+28
Height 3152585012.1146