87994987 (number)

87994987 is an odd 8-digits composite number following 87994986 and preceding 87994988. In scientific notation, it is written as 8.7994987 × 10^7. The sum of its digits is 61. It has a total of 2 prime factors and 4 positive divisors. There are 84169096 positive integers (up to 87994987) that are relatively prime to 87994987.

Interesting facts

Basic properties

Name

Name eighty-seven million nine hundred ninety-four thousand nine hundred eighty-seven

Notation

Scientific notation 8.7994987 × 10^7
Engineering notation 8.7994987 × 10^6

Prime Factorization of 87994987

Prime Factorization 23 × 3825869

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 87994987
Product of the distinct prime numbers

The prime factorization of 87994987 is 23 × 3825869. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 87994987)

Multiplication

n×y
n×2 175989974
n×3 263984961
n×4 351979948
n×5 439974935

Division

n÷y
n÷2 43997493.5
n÷3 29331662.333333
n÷3 21998746.75
n÷5 17598997.4

Exponentiation

ny
n2 7743117737130169
n3 6.8135554461824E+23
n4 5.995587229106E+31
n5 5.2758162028255E+39

Nth Root

y√n
2√n 9380.5643220437
3√n 444.78757188363
4√n 96.853313428317
5√n 38.805348341478

Divisors of 87994987

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 -87994986
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 87994987 can be divided by 4 positive divisors. The sum of these divisors (counting 87994987) is 1, the average is 0.25.

Base conversion 87994987

Base System Value
2 Binary 101001111101011001001101011
3 Ternary 20010120121102121
4 Quaternary 11033223021223
5 Quinary 140011314422
6 Senary 12422012111
8 Octal 517531153
10 Decimal 87994987
12 Duodecimal 25577037
16 Hexadecimal 53eb26b
20 Vigesimal 179j797
36 Base36 1ge1d7

Cryptographic Hash Functions

md5 07449f22c906ef3f490df0658ad545c6
sha1 275be3922e92bd79a92c8281a6044842f3300c73
sha256 2bd2fdc6eaf8a9413462d468b4bcec733fd2c2b5a9cf5ca09249470768eae087
sha512 4f8c597c7c652eb6bad30557c6ee7af14944776c10c495f95a605d1f445bb4ab9caf7fa1f57658f9f748dfc6bb376001a464a16711e3837623b9b7a4b64fc0ee
ripemd-160 493f63da5c00dcaf3596641cc8a5919523a373d0

87994987 as geometric shapes

Circle

Radius = n
Diameter 175989974
Circumference 552888809.42386
Area 2.4325721798849E+16

Sphere

Radius = n
Volume 2.8540554312738E+24
Surface area 9.7302887195396E+16
Circumference 552888809.42386

Square

Length = n
Perimeter 351979948
Area 7743117737130169
Diagonal 124443704.03624

Cube

Length = n
Surface area 46458706422781014
Volume 6.8135554461824E+23
Space diagonal 152411788.29536

Equilateral Triangle

Length = n
Perimeter 263984961
Area 3.3528683324243E+15
Altitude 76205894.147681

Triangular Pyramid

Length = n
Surface area 3.3528683324243E+15
Volume 8.0298520999768E+22
Height 41481234.678748