87131489 (number)

87131489 is an odd 8-digits composite number following 87131488 and preceding 87131490. In scientific notation, it is written as 8.7131489 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 87060480 positive integers (up to 87131489) that are relatively prime to 87131489.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.7131489 × 10^7
Engineering notation 8.7131489 × 10^6

Prime Factorization of 87131489

Prime Factorization 1249 × 69761

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 87131489
Product of the distinct prime numbers

The prime factorization of 87131489 is 1249 × 69761. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 87131489)

Multiplication

n×y
n×2 174262978
n×3 261394467
n×4 348525956
n×5 435657445

Division

n÷y
n÷2 43565744.5
n÷3 29043829.666667
n÷3 21782872.25
n÷5 17426297.8

Exponentiation

ny
n2 7591896375357121
n3 6.6149323551857E+23
n4 5.7636890574161E+31
n5 5.0219880970567E+39

Nth Root

y√n
2√n 9334.4249421161
3√n 443.32788122767
4√n 96.614827754937
5√n 38.728887967941

Divisors of 87131489

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 -87131488
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 87131489 can be divided by 4 positive divisors. The sum of these divisors (counting 87131489) is 1, the average is 0.25.

Base conversion 87131489

Base System Value
2 Binary 101001100011000010101100001
3 Ternary 20001221201221012
4 Quaternary 11030120111201
5 Quinary 134301201424
6 Senary 12351310305
8 Octal 514302541
10 Decimal 87131489
12 Duodecimal 2521b395
16 Hexadecimal 5318561
20 Vigesimal 174b8e9
36 Base36 1fvj35

Cryptographic Hash Functions

md5 af1acd73a8ac3281776be196a1428d6a
sha1 fc4302fc9013ade8d0704b833425da65a30bb4ec
sha256 e29f3d124f8b691a9102e022e43da48edabc0c2746aa22196e4f1e6f5d6deef1
sha512 11fc1997abce8c31379a53cf1b91a65e04e587cef94485d7f356bafd078a9d515575bcbac4271e79e6a33c7aef4c5e370d93efa45213b5f60de6e6ef722f75fb
ripemd-160 192571cccc4d5ef866234a29b04c9e09cc26221e

87131489 as geometric shapes

Circle

Radius = n
Diameter 174262978
Circumference 547463291.47748
Area 2.3850645879637E+16

Sphere

Radius = n
Volume 2.7708563854726E+24
Surface area 9.5402583518548E+16
Circumference 547463291.47748

Square

Length = n
Perimeter 348525956
Area 7591896375357121
Diagonal 123222533.45356

Cube

Length = n
Surface area 45551378252142726
Volume 6.6149323551857E+23
Space diagonal 150916165.88713

Equilateral Triangle

Length = n
Perimeter 261394467
Area 3.2873875619791E+15
Altitude 75458082.943564

Triangular Pyramid

Length = n
Surface area 3.2873875619791E+15
Volume 7.7957725424035E+22
Height 41074177.817854