87989969 (number)

87989969 is an odd 8-digits composite number following 87989968 and preceding 87989970. In scientific notation, it is written as 8.7989969 × 10^7. The sum of its digits is 65. It has a total of 3 prime factors and 8 positive divisors. There are 81584496 positive integers (up to 87989969) that are relatively prime to 87989969.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.7989969 × 10^7
Engineering notation 8.7989969 × 10^6

Prime Factorization of 87989969

Prime Factorization 19 × 47 × 98533

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 87989969
Product of the distinct prime numbers

The prime factorization of 87989969 is 19 × 47 × 98533. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 7, 8, 46, 704, 828, 7642, 6803, 2373, 92850, 135582, 678783, 4772008, 9106462, 52061786, 65541811, 42523452, 345627657, 8066480607, 5758930375

Basic calculations (n = 87989969)

Multiplication

n×y
n×2 175979938
n×3 263969907
n×4 351959876
n×5 439949845

Division

n÷y
n÷2 43994984.5
n÷3 29329989.666667
n÷3 21997492.25
n÷5 17597993.8

Exponentiation

ny
n2 7742234644620961
n3 6.8123898637092E+23
n4 5.9942197292369E+31
n5 5.2743120815474E+39

Nth Root

y√n
2√n 9380.2968503134
3√n 444.77911690781
4√n 96.851932610111
5√n 38.804905748811

Divisors of 87989969

1, 19, 47, 893, 98533, 1872127, 4631051, 87989969

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 -87989968
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 87989969 can be divided by 8 positive divisors. The sum of these divisors (counting 87989969) is 1, the average is 0.125.

Base conversion 87989969

Base System Value
2 Binary 101001111101001111011010001
3 Ternary 20010120100112202
4 Quaternary 11033221323101
5 Quinary 140011134334
6 Senary 12421532545
8 Octal 517517321
10 Decimal 87989969
12 Duodecimal 25574155
16 Hexadecimal 53e9ed1
20 Vigesimal 179iei9
36 Base36 1gdxht

Cryptographic Hash Functions

md5 72e5e82e2e159b430c73b782e5d24914
sha1 357f53775a027f436fef506682b9798f58fcdf9f
sha256 998c39479919f6600229b419d8f9a56b1481d88bc364f813eb820316161f20c7
sha512 df602f5a721f7265fb2391d320026e40bd5bd6a3d18e7bfcc81cc823c7b7cbeb46aa07fa8f7a5c3c9bf212cd39f93276060ef360d0113d0a7dde9453d9b524fb
ripemd-160 8d317e0bbdc7521c43dc8392f64ae23fe10be255

87989969 as geometric shapes

Circle

Radius = n
Diameter 175979938
Circumference 552857280.39999
Area 2.432294748191E+16

Sphere

Radius = n
Volume 2.8535671932291E+24
Surface area 9.7291789927638E+16
Circumference 552857280.39999

Square

Length = n
Perimeter 351959876
Area 7742234644620961
Diagonal 124436607.51259

Cube

Length = n
Surface area 46453407867725766
Volume 6.8123898637092E+23
Space diagonal 152403096.86441

Equilateral Triangle

Length = n
Perimeter 263969907
Area 3.3524859421509E+15
Altitude 76201548.432205

Triangular Pyramid

Length = n
Surface area 3.3524859421509E+15
Volume 8.0284784478588E+22
Height 41478869.170863