87128247 (number)

87128247 is an odd 8-digits composite number following 87128246 and preceding 87128248. In scientific notation, it is written as 8.7128247 × 10^7. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 54668672 positive integers (up to 87128247) that are relatively prime to 87128247.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.7128247 × 10^7
Engineering notation 8.7128247 × 10^6

Prime Factorization of 87128247

Prime Factorization 51 × 1708397

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 87128247
Product of the distinct prime numbers

The prime factorization of 87128247 is 51 × 1708397. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 87128247)

Multiplication

n×y
n×2 174256494
n×3 261384741
n×4 348512988
n×5 435641235

Division

n÷y
n÷2 43564123.5
n÷3 29042749
n÷3 21782061.75
n÷5 17425649.4

Exponentiation

ny
n2 7591331425293009
n3 6.6141939948179E+23
n4 5.7628312808641E+31
n5 5.0210538725846E+39

Nth Root

y√n
2√n 9334.25128224
3√n 443.32238269193
4√n 96.613929028065
5√n 38.728599757731

Divisors of 87128247

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 -87128246
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 87128247 can be divided by 4 positive divisors. The sum of these divisors (counting 87128247) is 1, the average is 0.25.

Base conversion 87128247

Base System Value
2 Binary 101001100010111100010110111
3 Ternary 20001221120111010
4 Quaternary 11030113202313
5 Quinary 134301100442
6 Senary 12351243303
8 Octal 514274267
10 Decimal 87128247
12 Duodecimal 25219533
16 Hexadecimal 53178b7
20 Vigesimal 174b0c7
36 Base36 1fvgl3

Cryptographic Hash Functions

md5 46fa5083a513637067890ce96cee8acb
sha1 f6b3029adaf2ed1551c0b141b298b185f103e568
sha256 e42de15651690c3d0dc97fa89948dbd39b59e3e4265009893f8ca49657d1a564
sha512 d771b0e2be79fe187f2070c3c8a599a4dd40e2a75e9e8b92f9b80a02fbd6609b617f58c1370ac80882c90907fa577741b566f284e8bd5a6d3ded04ac8bd046d2
ripemd-160 eda615c94288fde1949dad2e8d6ee7c3d9202a19

87128247 as geometric shapes

Circle

Radius = n
Diameter 174256494
Circumference 547442921.39071
Area 2.3848871036666E+16

Sphere

Radius = n
Volume 2.770547101805E+24
Surface area 9.5395484146663E+16
Circumference 547442921.39071

Square

Length = n
Perimeter 348512988
Area 7591331425293009
Diagonal 123217948.57319

Cube

Length = n
Surface area 45547988551758054
Volume 6.6141939948179E+23
Space diagonal 150910550.57841

Equilateral Triangle

Length = n
Perimeter 261384741
Area 3.2871429314254E+15
Altitude 75455275.289205

Triangular Pyramid

Length = n
Surface area 3.2871429314254E+15
Volume 7.7949023763651E+22
Height 41072649.524398