87989691 (number)

87989691 is an odd 8-digits composite number following 87989690 and preceding 87989692. In scientific notation, it is written as 8.7989691 × 10^7. The sum of its digits is 57. It has a total of 2 prime factors and 4 positive divisors. There are 58659792 positive integers (up to 87989691) that are relatively prime to 87989691.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.7989691 × 10^7
Engineering notation 8.7989691 × 10^6

Prime Factorization of 87989691

Prime Factorization 3 × 29329897

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 87989691
Product of the distinct prime numbers

The prime factorization of 87989691 is 3 × 29329897. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 87989691)

Multiplication

n×y
n×2 175979382
n×3 263969073
n×4 351958764
n×5 439948455

Division

n÷y
n÷2 43994845.5
n÷3 29329897
n÷3 21997422.75
n÷5 17597938.2

Exponentiation

ny
n2 7742185722275481
n3 6.8123252936763E+23
n4 5.9941439758206E+31
n5 5.2742287624197E+39

Nth Root

y√n
2√n 9380.2820320074
3√n 444.77864848803
4√n 96.851856110285
5√n 38.80488122834

Divisors of 87989691

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 -87989690
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 87989691 can be divided by 4 positive divisors. The sum of these divisors (counting 87989691) is 1, the average is 0.25.

Base conversion 87989691

Base System Value
2 Binary 101001111101001110110111011
3 Ternary 20010120100011110
4 Quaternary 11033221312323
5 Quinary 140011132231
6 Senary 12421531403
8 Octal 517516673
10 Decimal 87989691
12 Duodecimal 25573b63
16 Hexadecimal 53e9dbb
20 Vigesimal 179ie4b
36 Base36 1gdxa3

Cryptographic Hash Functions

md5 1794b688b7af547e87ecc6f49f144313
sha1 2d3892386b0dcfe690f7c32bebe6989018397766
sha256 5a76903c390fe54db2e7a2370c1681949ca3731cebeb68f6442d41d4c0385143
sha512 9d3c3bf58d0a1f0476fb4398f2c3f53bc1bbb873e3cba03d1ae145f30a6469121b15da8dd9630132322e18bf41215dae90a39eebc03358ffc0950e3d6f5b84f1
ripemd-160 125c68871e8e783d8b4d97d2a9f64df54fa7fd7c

87989691 as geometric shapes

Circle

Radius = n
Diameter 175979382
Circumference 552855533.67447
Area 2.4322793787828E+16

Sphere

Radius = n
Volume 2.853540146197E+24
Surface area 9.7291175151314E+16
Circumference 552855533.67447

Square

Length = n
Perimeter 351958764
Area 7742185722275481
Diagonal 124436214.36122

Cube

Length = n
Surface area 46453114333652886
Volume 6.8123252936763E+23
Space diagonal 152402615.35429

Equilateral Triangle

Length = n
Perimeter 263969073
Area 3.3524647581539E+15
Altitude 76201307.677143

Triangular Pyramid

Length = n
Surface area 3.3524647581539E+15
Volume 8.0284023513453E+22
Height 41478738.120406