87661639 (number)

87661639 is an odd 8-digits composite number following 87661638 and preceding 87661640. In scientific notation, it is written as 8.7661639 × 10^7. The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors. There are 75179520 positive integers (up to 87661639) that are relatively prime to 87661639.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.7661639 × 10^7
Engineering notation 8.7661639 × 10^6

Prime Factorization of 87661639

Prime Factorization 221 × 79 × 5021

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 87661639
Product of the distinct prime numbers

The prime factorization of 87661639 is 221 × 79 × 5021. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 1, 51, 51, 394, 761, 6299, 9358, 81633, 17879, 657680, 747896, 5130855, 4558256, 99982436, 96156462, 628976998, 977619149, 1633809614, 1947169474

Basic calculations (n = 87661639)

Multiplication

n×y
n×2 175323278
n×3 262984917
n×4 350646556
n×5 438308195

Division

n÷y
n÷2 43830819.5
n÷3 29220546.333333
n÷3 21915409.75
n÷5 17532327.8

Exponentiation

ny
n2 7684562952166321
n3 6.7364138338558E+23
n4 5.9052507765807E+31
n5 5.1766396178109E+39

Nth Root

y√n
2√n 9362.779448433
3√n 444.22520397722
4√n 96.761456419553
5√n 38.775902729007

Divisors of 87661639

1, 79, 221, 5021, 17459, 396659, 1109641, 87661639

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 -87661638
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 87661639 can be divided by 8 positive divisors. The sum of these divisors (counting 87661639) is 1, the average is 0.125.

Base conversion 87661639

Base System Value
2 Binary 101001110011001110001000111
3 Ternary 20002221200011101
4 Quaternary 11032121301013
5 Quinary 134420133024
6 Senary 12410520531
8 Octal 516316107
10 Decimal 87661639
12 Duodecimal 25436147
16 Hexadecimal 5399c47
20 Vigesimal 177he1j
36 Base36 1g6w5j

Cryptographic Hash Functions

md5 cd8f348a0aa836c739f3071e91809931
sha1 e5f36164ba7205a9ec5058d18419720b61c61417
sha256 5ec6e6d58ad8f1e932ad068723e67b5666528ca59e97b0595b22577bae5cae2e
sha512 2d706199c6a62776de49cc84c011fc356a433543f56d63a8788bfac0ffaf19b52b29b0fc54b58e815ef9cb808ea355d7ada7cbcaf33cbe51a980692170d4872d
ripemd-160 40da78a11c631accfc38036c218a8a3bb11443e7

87661639 as geometric shapes

Circle

Radius = n
Diameter 175323278
Circumference 550794322.16808
Area 2.4141766516574E+16

Sphere

Radius = n
Volume 2.8217424282643E+24
Surface area 9.6567066066296E+16
Circumference 550794322.16808

Square

Length = n
Perimeter 350646556
Area 7684562952166321
Diagonal 123972278.77365

Cube

Length = n
Surface area 46107377712997926
Volume 6.7364138338558E+23
Space diagonal 151834412.62276

Equilateral Triangle

Length = n
Perimeter 262984917
Area 3.3275133667784E+15
Altitude 75917206.311381

Triangular Pyramid

Length = n
Surface area 3.3275133667784E+15
Volume 7.9389398379972E+22
Height 41324092.924551