87681639 (number)

87681639 is an odd 8-digits composite number following 87681638 and preceding 87681640. In scientific notation, it is written as 8.7681639 × 10^7. The sum of its digits is 48. It has a total of 2 prime factors and 4 positive divisors. There are 58454424 positive integers (up to 87681639) that are relatively prime to 87681639.

Interesting facts

Basic properties

Name

Name eighty-seven million six hundred eighty-one thousand six hundred thirty-nine

Notation

Scientific notation 8.7681639 × 10^7
Engineering notation 8.7681639 × 10^6

Prime Factorization of 87681639

Prime Factorization 3 × 29227213

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 87681639
Product of the distinct prime numbers

The prime factorization of 87681639 is 3 × 29227213. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 87681639)

Multiplication

n×y
n×2 175363278
n×3 263044917
n×4 350726556
n×5 438408195

Division

n÷y
n÷2 43840819.5
n÷3 29227213
n÷3 21920409.75
n÷5 17536327.8

Exponentiation

ny
n2 7688069817726321
n3 6.7410256236468E+23
n4 5.9106417522234E+31
n5 5.1825475637678E+39

Nth Root

y√n
2√n 9363.8474464293
3√n 444.25898473012
4√n 96.766974978188
5√n 38.77767191174

Divisors of 87681639

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 -87681638
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 87681639 can be divided by 4 positive divisors. The sum of these divisors (counting 87681639) is 1, the average is 0.25.

Base conversion 87681639

Base System Value
2 Binary 101001110011110101001100111
3 Ternary 20002222200121010
4 Quaternary 11032132221213
5 Quinary 134421303024
6 Senary 12411153303
8 Octal 516365147
10 Decimal 87681639
12 Duodecimal 25445833
16 Hexadecimal 539ea67
20 Vigesimal 178041j
36 Base36 1g7bl3

Cryptographic Hash Functions

md5 526fdf2eac39e3dd18cdc0eeabf93d39
sha1 097aac485da06aea20b7446bd347c1ea11d68bad
sha256 cf8e3f853e791baf6f91550629a5d6118d90610c7370f52d001974fda6d50613
sha512 f8b0154b53d4568896ab5b46253e62dfaa6b793a3cceb54cd2090c66f4efe4053f3f7c2547a9e8f7b89aac4f9f216d7c50b4110038c29df2ceb4a7fefab0f893
ripemd-160 8e82d04ae8bd18eb7d5ccc979db45541c1b570a0

87681639 as geometric shapes

Circle

Radius = n
Diameter 175363278
Circumference 550919985.87422
Area 2.4152783659654E+16

Sphere

Radius = n
Volume 2.8236742102546E+24
Surface area 9.6611134638618E+16
Circumference 550919985.87422

Square

Length = n
Perimeter 350726556
Area 7688069817726321
Diagonal 124000563.0449

Cube

Length = n
Surface area 46128418906357926
Volume 6.7410256236468E+23
Space diagonal 151869053.63891

Equilateral Triangle

Length = n
Perimeter 263044917
Area 3.3290318841097E+15
Altitude 75934526.819456

Triangular Pyramid

Length = n
Surface area 3.3290318841097E+15
Volume 7.9443748843882E+22
Height 41333521.014967