87128540 (number)

87128540 is an even 8-digits composite number following 87128539 and preceding 87128541. In scientific notation, it is written as 8.7128540 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 12 positive divisors. There are 34851408 positive integers (up to 87128540) that are relatively prime to 87128540.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.7128540 × 10^7
Engineering notation 8.7128540 × 10^6

Prime Factorization of 87128540

Prime Factorization 2 × 2 × 5 × 4356427

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 43564270
Product of the distinct prime numbers

The prime factorization of 87128540 is 2 × 2 × 5 × 4356427. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 10, 59, 77, 622, 902, 6329, 7304, 57126, 94897, 780245, 814567, 1927576, 3800606, 14375991, 30656425, 849539513, 857170798, 2858521714, 4764123478

Basic calculations (n = 87128540)

Multiplication

n×y
n×2 174257080
n×3 261385620
n×4 348514160
n×5 435642700

Division

n÷y
n÷2 43564270
n÷3 29042846.666667
n÷3 21782135
n÷5 17425708

Exponentiation

ny
n2 7591382482531600
n3 6.6142607228455E+23
n4 5.7629087996088E+31
n5 5.0211382986306E+39

Nth Root

y√n
2√n 9334.2669771118
3√n 443.32287963491
4√n 96.614010252715
5√n 38.72862580546

Divisors of 87128540

1, 2, 4, 5, 10, 20, 4356427, 8712854, 17425708, 21782135, 43564270, 87128540

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -87128539
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 87128540 can be divided by 12 positive divisors. The sum of these divisors (counting 87128540) is 1, the average is 0.083333333333333.

Base conversion 87128540

Base System Value
2 Binary 101001100010111100111011100
3 Ternary 20001221120212222
4 Quaternary 11030113213130
5 Quinary 134301103130
6 Senary 12351244512
8 Octal 514274734
10 Decimal 87128540
12 Duodecimal 25219738
16 Hexadecimal 53179dc
20 Vigesimal 174b170
36 Base36 1fvgt8

Cryptographic Hash Functions

md5 497e8dc63ef5fb1fde6b4330652c4dca
sha1 faf271fe780b32678086255eadc34d88f33a0aaa
sha256 2f885081d6877738196521e8909fed3a41029d5ce41264ae64990b4bb45155f2
sha512 948c369049411cca60b5e6743ef8c18c0fa749dbd52b982a0b5c8d0d540f0a014f4fabc78488a39809a2af542d956a5f9599b215eacae87f0abab5e8f94ee9bf
ripemd-160 306306bfca63a7e445742ed069bfefb152d06d2d

87128540 as geometric shapes

Circle

Radius = n
Diameter 174257080
Circumference 547444762.36401
Area 2.3849031437712E+16

Sphere

Radius = n
Volume 2.7705750527759E+24
Surface area 9.5396125750846E+16
Circumference 547444762.36401

Square

Length = n
Perimeter 348514160
Area 7591382482531600
Diagonal 123218362.93777

Cube

Length = n
Surface area 45548294895189600
Volume 6.6142607228455E+23
Space diagonal 150911058.0693

Equilateral Triangle

Length = n
Perimeter 261385620
Area 3.2871650398583E+15
Altitude 75455529.034649

Triangular Pyramid

Length = n
Surface area 3.2871650398583E+15
Volume 7.7949810160999E+22
Height 41072787.645922