87128841 (number)

87128841 is an odd 8-digits composite number following 87128840 and preceding 87128842. In scientific notation, it is written as 8.7128841 × 10^7. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 58085892 positive integers (up to 87128841) that are relatively prime to 87128841.

Interesting facts

Basic properties

Name

Name eighty-seven million one hundred twenty-eight thousand eight hundred forty-one

Notation

Scientific notation 8.7128841 × 10^7
Engineering notation 8.7128841 × 10^6

Prime Factorization of 87128841

Prime Factorization 3 × 29042947

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 87128841
Product of the distinct prime numbers

The prime factorization of 87128841 is 3 × 29042947. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 87128841)

Multiplication

n×y
n×2 174257682
n×3 261386523
n×4 348515364
n×5 435644205

Division

n÷y
n÷2 43564420.5
n÷3 29042947
n÷3 21782210.25
n÷5 17425768.2

Exponentiation

ny
n2 7591434934003281
n3 6.6143292732662E+23
n4 5.7629884357205E+31
n5 5.0212250310073E+39

Nth Root

y√n
2√n 9334.283100485
3√n 443.32339014514
4√n 96.61409369489
5√n 38.728652564316

Divisors of 87128841

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 -87128840
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 87128841 can be divided by 4 positive divisors. The sum of these divisors (counting 87128841) is 1, the average is 0.25.

Base conversion 87128841

Base System Value
2 Binary 101001100010111101100001001
3 Ternary 20001221121022010
4 Quaternary 11030113230021
5 Quinary 134301110331
6 Senary 12351250133
8 Octal 514275411
10 Decimal 87128841
12 Duodecimal 25219949
16 Hexadecimal 5317b09
20 Vigesimal 174b221
36 Base36 1fvh1l

Cryptographic Hash Functions

md5 508e82f42117ce67aa5fc19542dd9f20
sha1 7f549e9af0b1252b330343b9b8636e12ac76554a
sha256 b76e78601b09a13102a4cb4a6a4b83524be6522a3eb71e1a3de68c7393d48dbe
sha512 156719e0635c259587689d61bf5a92a51911b86a02cfe426b961bbbbee0f2f0965da491722e50cfbd6eb701650fed2bc28176024b5421761d376ea8277aceff8
ripemd-160 38089f54140b7e4e1de42a6892b97933759972b9

87128841 as geometric shapes

Circle

Radius = n
Diameter 174257682
Circumference 547446653.60279
Area 2.384919621887E+16

Sphere

Radius = n
Volume 2.7706037671089E+24
Surface area 9.5396784875478E+16
Circumference 547446653.60279

Square

Length = n
Perimeter 348515364
Area 7591434934003281
Diagonal 123218788.61605

Cube

Length = n
Surface area 45548609604019686
Volume 6.6143292732662E+23
Space diagonal 150911579.41659

Equilateral Triangle

Length = n
Perimeter 261386523
Area 3.2871877520117E+15
Altitude 75455789.708295

Triangular Pyramid

Length = n
Surface area 3.2871877520117E+15
Volume 7.7950618035453E+22
Height 41072929.538683