87081665 (number)

87081665 is an odd 8-digits composite number following 87081664 and preceding 87081666. In scientific notation, it is written as 8.7081665 × 10^7. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 61857600 positive integers (up to 87081665) that are relatively prime to 87081665.

Interesting facts

Basic properties

Name

Name eighty-seven million eighty-one thousand six hundred sixty-five

Notation

Scientific notation 8.7081665 × 10^7
Engineering notation 8.7081665 × 10^6

Prime Factorization of 87081665

Prime Factorization 55 × 43 × 36821

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 87081665
Product of the distinct prime numbers

The prime factorization of 87081665 is 55 × 43 × 36821. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 87081665)

Multiplication

n×y
n×2 174163330
n×3 261244995
n×4 348326660
n×5 435408325

Division

n÷y
n÷2 43540832.5
n÷3 29027221.666667
n÷3 21770416.25
n÷5 17416333

Exponentiation

ny
n2 7583216379172225
n3 6.6035910835359E+23
n4 5.7505170653346E+31
n5 5.0076460066025E+39

Nth Root

y√n
2√n 9331.7557297649
3√n 443.24336306561
4√n 96.601013088709
5√n 38.724457721995

Divisors of 87081665

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -87081664
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 87081665 can be divided by 8 positive divisors. The sum of these divisors (counting 87081665) is 1, the average is 0.125.

Base conversion 87081665

Base System Value
2 Binary 101001100001100001011000001
3 Ternary 20001212012120212
4 Quaternary 11030030023001
5 Quinary 134243103130
6 Senary 12350243505
8 Octal 514141301
10 Decimal 87081665
12 Duodecimal 251b6595
16 Hexadecimal 530c2c1
20 Vigesimal 1745435
36 Base36 1fugn5

Cryptographic Hash Functions

md5 c6316362a606692e34b15422743eb145
sha1 e6330c3033a91d81e33fc8448eb641ad45884004
sha256 cf35e181c64320db2d9f8936328d231e5d75068d31b25e4f0d6abb9bef95c027
sha512 effb4125356b5b82079eb7c3dccfe2b36c06cfa3e21b2982fa9c704350c7e6aca64698d17b6aa85f9b53c89732e13b501eb7d80b87b44fcec5f1efa8e664672a
ripemd-160 b4631b203a3cfec78ce76699d615f6b5934d3d5a

87081665 as geometric shapes

Circle

Radius = n
Diameter 174163330
Circumference 547150238.05273
Area 2.3823376867389E+16

Sphere

Radius = n
Volume 2.766105764713E+24
Surface area 9.5293507469557E+16
Circumference 547150238.05273

Square

Length = n
Perimeter 348326660
Area 7583216379172225
Diagonal 123152071.67703

Cube

Length = n
Surface area 45499298275033350
Volume 6.6035910835359E+23
Space diagonal 150829868.18769

Equilateral Triangle

Length = n
Perimeter 261244995
Area 3.2836290133787E+15
Altitude 75414934.093846

Triangular Pyramid

Length = n
Surface area 3.2836290133787E+15
Volume 7.7824067255854E+22
Height 41050690.55901