87085987 (number)

87085987 is an odd 8-digits composite number following 87085986 and preceding 87085988. In scientific notation, it is written as 8.7085987 × 10^7. The sum of its digits is 52. It has a total of 2 prime factors and 4 positive divisors. There are 82502496 positive integers (up to 87085987) that are relatively prime to 87085987.

Interesting facts

Basic properties

Name

Name eighty-seven million eighty-five thousand nine hundred eighty-seven

Notation

Scientific notation 8.7085987 × 10^7
Engineering notation 8.7085987 × 10^6

Prime Factorization of 87085987

Prime Factorization 19 × 4583473

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 87085987
Product of the distinct prime numbers

The prime factorization of 87085987 is 19 × 4583473. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 87085987)

Multiplication

n×y
n×2 174171974
n×3 261257961
n×4 348343948
n×5 435429935

Division

n÷y
n÷2 43542993.5
n÷3 29028662.333333
n÷3 21771496.75
n÷5 17417197.4

Exponentiation

ny
n2 7583969131764169
n3 6.6045743721722E+23
n4 5.7516587791552E+31
n5 5.0088888166994E+39

Nth Root

y√n
2√n 9331.9873017488
3√n 443.25069589939
4√n 96.602211681456
5√n 38.724842105513

Divisors of 87085987

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 -87085986
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 87085987 can be divided by 4 positive divisors. The sum of these divisors (counting 87085987) is 1, the average is 0.25.

Base conversion 87085987

Base System Value
2 Binary 101001100001101001110100011
3 Ternary 20001212102111221
4 Quaternary 11030031032203
5 Quinary 134243222422
6 Senary 12350315511
8 Octal 514151643
10 Decimal 87085987
12 Duodecimal 251b8b97
16 Hexadecimal 530d3a3
20 Vigesimal 1745ej7
36 Base36 1fujz7

Cryptographic Hash Functions

md5 52783e0df9651fcb4b8644257d3e288e
sha1 d6011045e6e8d20c9c2c6d6002509230326f93ef
sha256 138c4a9edbbe689fa08338426a21965d6e604899f061e15ca258e749aff554d9
sha512 a3a2c0d1e2549c3c9a4f79c941e5073600f395f4e433120538396d7efba42fb1ca41a5d6e873833b0306808a45faf934e83a2ecb866934632a98194bf9642124
ripemd-160 27c2f8639ea4dbfbe2a691fa11171ef73fb184e7

87085987 as geometric shapes

Circle

Radius = n
Diameter 174171974
Circumference 547177393.97963
Area 2.3825741709402E+16

Sphere

Radius = n
Volume 2.7665176436938E+24
Surface area 9.5302966837608E+16
Circumference 547177393.97963

Square

Length = n
Perimeter 348343948
Area 7583969131764169
Diagonal 123158183.90805

Cube

Length = n
Surface area 45503814790585014
Volume 6.6045743721722E+23
Space diagonal 150837354.11128

Equilateral Triangle

Length = n
Perimeter 261257961
Area 3.2839549648124E+15
Altitude 75418677.055641

Triangular Pyramid

Length = n
Surface area 3.2839549648124E+15
Volume 7.7835655423564E+22
Height 41052727.969349