87081689 (number)

87081689 is an odd 8-digits composite number following 87081688 and preceding 87081690. In scientific notation, it is written as 8.7081689 × 10^7. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 86734500 positive integers (up to 87081689) that are relatively prime to 87081689.

Interesting facts

Basic properties

Name

Name eighty-seven million eighty-one thousand six hundred eighty-nine

Notation

Scientific notation 8.7081689 × 10^7
Engineering notation 8.7081689 × 10^6

Prime Factorization of 87081689

Prime Factorization 251 × 346939

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 87081689
Product of the distinct prime numbers

The prime factorization of 87081689 is 251 × 346939. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 87081689)

Multiplication

n×y
n×2 174163378
n×3 261245067
n×4 348326756
n×5 435408445

Division

n÷y
n÷2 43540844.5
n÷3 29027229.666667
n÷3 21770422.25
n÷5 17416337.8

Exponentiation

ny
n2 7583220559092721
n3 6.6035965434532E+23
n4 5.7505234047847E+31
n5 5.0076529072268E+39

Nth Root

y√n
2√n 9331.7570156965
3√n 443.24340378539
4√n 96.601019744599
5√n 38.724459856513

Divisors of 87081689

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 -87081688
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 87081689 can be divided by 4 positive divisors. The sum of these divisors (counting 87081689) is 1, the average is 0.25.

Base conversion 87081689

Base System Value
2 Binary 101001100001100001011011001
3 Ternary 20001212012121202
4 Quaternary 11030030023121
5 Quinary 134243103224
6 Senary 12350243545
8 Octal 514141331
10 Decimal 87081689
12 Duodecimal 251b65b5
16 Hexadecimal 530c2d9
20 Vigesimal 1745449
36 Base36 1fugnt

Cryptographic Hash Functions

md5 856498dd6ac0098c01e1719ae8685441
sha1 4c43a01c4d3a45d5553d0fec993befbe82836caf
sha256 15baf76570b569738bdfeb145776a18ef460c8737e0bbddc1baa77f4b89d2ead
sha512 239290014da595b3bf16ab2da6bd369a6371ba44d3bec55f4a0b26afa8a4514c30805ee8503bbc36048f5f3af857e96083c81f44f63a9c0ffc439e12bf089da2
ripemd-160 d6cf56d81d18222bb1c9698be184cc1f23e55d69

87081689 as geometric shapes

Circle

Radius = n
Diameter 174163378
Circumference 547150388.84918
Area 2.3823389998997E+16

Sphere

Radius = n
Volume 2.7661080517578E+24
Surface area 9.5293559995987E+16
Circumference 547150388.84918

Square

Length = n
Perimeter 348326756
Area 7583220559092721
Diagonal 123152105.61816

Cube

Length = n
Surface area 45499323354556326
Volume 6.6035965434532E+23
Space diagonal 150829909.75691

Equilateral Triangle

Length = n
Perimeter 261245067
Area 3.2836308233374E+15
Altitude 75414954.878456

Triangular Pyramid

Length = n
Surface area 3.2836308233374E+15
Volume 7.7824131601597E+22
Height 41050701.872719