2681387987 (number)

2681387987 is an odd 10-digits composite number following 2681387986 and preceding 2681387988. In scientific notation, it is written as 2.681387987 × 10^9. The sum of its digits is 59. It has a total of 2 prime factors and 4 positive divisors. There are 2615988240 positive integers (up to 2681387987) that are relatively prime to 2681387987.

Interesting facts

Basic properties

Name

Name two billion six hundred eighty-one million three hundred eighty-seven thousand nine hundred eighty-seven

Notation

Scientific notation 2.681387987 × 10^9
Engineering notation 2.681387987 × 10^9

Prime Factorization of 2681387987

Prime Factorization 41 × 65399707

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 2681387987
Product of the distinct prime numbers

The prime factorization of 2681387987 is 41 × 65399707. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 9, 89, 49, 409, 975, 2427, 1161, 77292, 32224, 618513, 963832, 5966105, 7766170, 59187670, 89468540, 553707461, 11436690, 6697593709, 4070264756

Basic calculations (n = 2681387987)

Multiplication

n×y
n×2 5362775974
n×3 8044163961
n×4 10725551948
n×5 13406939935

Division

n÷y
n÷2 1340693993.5
n÷3 893795995.66667
n÷3 670346996.75
n÷5 536277597.4

Exponentiation

ny
n2 7189841536827912169
n3 1.9278754725284E+28
n4 5.1693821324696E+37
n5 1.3861119150216E+47

Nth Root

y√n
2√n 51782.120340905
3√n 1389.2696656765
4√n 227.55685078878
5√n 76.854965486193

Divisors of 2681387987

1, 41, 65399707, 2681387987

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 -2681387986
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 2681387987 can be divided by 4 positive divisors. The sum of these divisors (counting 2681387987) is 1, the average is 0.25.

Base conversion 2681387987

Base System Value
2 Binary 10011111110100101011101111010011
3 Ternary 20220212111121211012
4 Quaternary 2133310223233103
5 Quinary 20442413403422
6 Senary 1122023241135
8 Octal 23764535723
10 Decimal 2681387987
12 Duodecimal 629ba91ab
16 Hexadecimal 9fd2bbd3
20 Vigesimal 21hid9j7
36 Base36 18cfg7n

Cryptographic Hash Functions

md5 567c76f49ad8d1e96113f07ea44568f1
sha1 e16730c892c24209f643a0e308ee30804c983899
sha256 8a7a2b507ad7744082c798d840f602d309d513f3bad41ff3c93f9780085906ca
sha512 c2999e8dffa54780ec27da43c7ec51d24b5b0beff743e424585938598fd1e711786f1ce88c8e4bef1373dd700e08210a2027348015871f19e53dea576ec73ee5
ripemd-160 62eeff5dc6afe24e5dbe9228612318ef942dd918

2681387987 as geometric shapes

Circle

Radius = n
Diameter 5362775974
Circumference 16847657602.766
Area 2.2587553352573E+19

Sphere

Radius = n
Volume 8.0754658953749E+28
Surface area 9.0350213410293E+19
Circumference 16847657602.766

Square

Length = n
Perimeter 10725551948
Area 7189841536827912169
Diagonal 3792055257.1997

Cube

Length = n
Surface area 4.3139049220967E+19
Volume 1.9278754725284E+28
Space diagonal 4644300228.2888

Equilateral Triangle

Length = n
Perimeter 8044163961
Area 3.1132927100388E+18
Altitude 2322150114.1444

Triangular Pyramid

Length = n
Surface area 3.1132927100388E+18
Volume 2.2720230331801E+27
Height 1264018419.0666