87989428 (number)

87989428 is an even 8-digits composite number following 87989427 and preceding 87989429. In scientific notation, it is written as 8.7989428 × 10^7. The sum of its digits is 55. It has a total of 3 prime factors and 6 positive divisors. There are 43994712 positive integers (up to 87989428) that are relatively prime to 87989428.

Interesting facts

Basic properties

Name

Name eighty-seven million nine hundred eighty-nine thousand four hundred twenty-eight

Notation

Scientific notation 8.7989428 × 10^7
Engineering notation 8.7989428 × 10^6

Prime Factorization of 87989428

Prime Factorization 2 × 2 × 21997357

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 43994714
Product of the distinct prime numbers

The prime factorization of 87989428 is 2 × 2 × 21997357. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 10, 63, 75, 496, 905, 7669, 8120, 60289, 2408, 667533, 679238, 3099494, 2874600, 11424888, 54041622, 82423382, 670306444, 5786291929, 2673218846

Basic calculations (n = 87989428)

Multiplication

n×y
n×2 175978856
n×3 263968284
n×4 351957712
n×5 439947140

Division

n÷y
n÷2 43994714
n÷3 29329809.333333
n÷3 21997357
n÷5 17597885.6

Exponentiation

ny
n2 7742139439767184
n3 6.8122642080135E+23
n4 5.9940723104799E+31
n5 5.2741499398976E+39

Nth Root

y√n
2√n 9380.2680132286
3√n 444.7782053418
4√n 96.851783737981
5√n 38.804858030859

Divisors of 87989428

1, 2, 4, 21997357, 43994714, 87989428

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -87989427
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 87989428 can be divided by 6 positive divisors. The sum of these divisors (counting 87989428) is 1, the average is 0.16666666666667.

Base conversion 87989428

Base System Value
2 Binary 101001111101001110010110100
3 Ternary 20010120022210201
4 Quaternary 11033221302310
5 Quinary 140011130203
6 Senary 12421530244
8 Octal 517516264
10 Decimal 87989428
12 Duodecimal 25573984
16 Hexadecimal 53e9cb4
20 Vigesimal 179idb8
36 Base36 1gdx2s

Cryptographic Hash Functions

md5 22296eba415cd88beed95d58e90978fb
sha1 1ecfa6439db11de2ab5ebcfc023f0cc8107a5c06
sha256 91e5f01f9869e5c9b238b9fce7ff407dc24dda4f21fee41f5d246a3792709ad9
sha512 a1620286da8e56c9d3c96494101432547cadb50c461c7e3c88ccb571e2ca04bd109a2b81fedb28891dfa258c3a66ef5a019d5056327dfdb84152c7502af95147
ripemd-160 682586d81cf12ffb4af72d1e971a1ca5f5a8cc03

87989428 as geometric shapes

Circle

Radius = n
Diameter 175978856
Circumference 552853881.19674
Area 2.432264838704E+16

Sphere

Radius = n
Volume 2.8535145586944E+24
Surface area 9.7290593548162E+16
Circumference 552853881.19674

Square

Length = n
Perimeter 351957712
Area 7742139439767184
Diagonal 124435842.42305

Cube

Length = n
Surface area 46452836638603104
Volume 6.8122642080135E+23
Space diagonal 152402159.82492

Equilateral Triangle

Length = n
Perimeter 263968284
Area 3.3524447172399E+15
Altitude 76201079.912462

Triangular Pyramid

Length = n
Surface area 3.3524447172399E+15
Volume 8.0283303612013E+22
Height 41478614.141017