87081388 (number)

87081388 is an even 8-digits composite number following 87081387 and preceding 87081389. In scientific notation, it is written as 8.7081388 × 10^7. The sum of its digits is 43. It has a total of 4 prime factors and 12 positive divisors. There are 43333920 positive integers (up to 87081388) that are relatively prime to 87081388.

Interesting facts

Basic properties

Name

Name eighty-seven million eighty-one thousand three hundred eighty-eight

Notation

Scientific notation 8.7081388 × 10^7
Engineering notation 8.7081388 × 10^6

Prime Factorization of 87081388

Prime Factorization 2 × 2 × 211 × 103177

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 43540694
Product of the distinct prime numbers

The prime factorization of 87081388 is 2 × 2 × 211 × 103177. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 6, 46, 4, 274, 134, 2399, 3301, 2805, 80584, 40133, 616619, 1855450, 9458351, 56691881, 95427389, 188031009, 512561552, 2206510332, 2304531086

Basic calculations (n = 87081388)

Multiplication

n×y
n×2 174162776
n×3 261244164
n×4 348325552
n×5 435406940

Division

n÷y
n÷2 43540694
n÷3 29027129.333333
n÷3 21770347
n÷5 17416277.6

Exponentiation

ny
n2 7583168136006544
n3 6.6035280672082E+23
n4 5.7504438978945E+31
n5 5.0075663624478E+39

Nth Root

y√n
2√n 9331.7408879587
3√n 443.2428930909
4√n 96.600936268541
5√n 38.724433086066

Divisors of 87081388

1, 2, 4, 211, 422, 844, 103177, 206354, 412708, 21770347, 43540694, 87081388

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 -87081387
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 87081388 can be divided by 12 positive divisors. The sum of these divisors (counting 87081388) is 1, the average is 0.083333333333333.

Base conversion 87081388

Base System Value
2 Binary 101001100001100000110101100
3 Ternary 20001212012012121
4 Quaternary 11030030012230
5 Quinary 134243101023
6 Senary 12350242324
8 Octal 514140654
10 Decimal 87081388
12 Duodecimal 251b63a4
16 Hexadecimal 530c1ac
20 Vigesimal 1745398
36 Base36 1fugfg

Cryptographic Hash Functions

md5 443a101187f83829bef2bec6d1a251aa
sha1 837aeabb3257175e8e91fa2ecfaf9a297314b840
sha256 d3191aec33ddaef0a2408e3ca0f68df500045c6dee2a5a953c57c46347a16a6a
sha512 26de3d32759d01453603ae578b140e4a10db8e6ef9853a84d34c14b350146c078f0b34dc39153f8ad17ae9f8ef075c2feec98b1b2e9c954818f8917f1089bdb1
ripemd-160 e4b01ca6cd83e1fcdb9795206b3f877db5d8b6ed

87081388 as geometric shapes

Circle

Radius = n
Diameter 174162776
Circumference 547148497.6104
Area 2.3823225307014E+16

Sphere

Radius = n
Volume 2.7660793684954E+24
Surface area 9.5292901228057E+16
Circumference 547148497.6104

Square

Length = n
Perimeter 348325552
Area 7583168136006544
Diagonal 123151679.93987

Cube

Length = n
Surface area 45499008816039264
Volume 6.6035280672082E+23
Space diagonal 150829388.40962

Equilateral Triangle

Length = n
Perimeter 261244164
Area 3.2836081234752E+15
Altitude 75414694.204809

Triangular Pyramid

Length = n
Surface area 3.2836081234752E+15
Volume 7.7823324601311E+22
Height 41050559.979958